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Ability to speak English
For a respondent who speaks a language other than English at home, refers to his/her assessment of his ability to speak English, from "very well" to "not at all."
Age
Age is generally derived from date of birth information, and is based on the age of the person in complete years.
Alaska Native race/ethnic
categories
Self-identification among people of Alaska Native descent. These are the five detailed Alaska Native race and ethnic categories used in displaying data from Census 2000:
- Alaska Athabaskan
- Aleut
- Eskimo
- Tlingit-Haida
- All other tribes
In 1997, the Federal Office of Management and Budget (OMB) revised the standards for how the Federal government would collect and present data on race and ethnicity. The new guidelines reflect "the increasing diversity of our Nation's population, stemming from growth in interracial marriages and immigration."
These new guidelines revised some of the racial categories used in 1990 and preceding censuses and allowed respondents to report as many race categories as were necessary to identify themselves on the Census 2000 questionnaire.
American Indian tribe/Selected American Indian categories
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These tribes were selected based on a 1990 population threshold of 7,500.
Ancestry
Refers to a person's self-identification of heritage, ethnic origin, descent, or close identification to an ethnic group. Selected ancestry groups include Arab, Brazilian, Canadian, Czech, Irish, Italian, Russian, Subsaharan African, West Indian, etc.
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Average
The number found by dividing the sum of all quantities by the total number of quantities.
Average family size
A measure obtained by dividing the number of members of families by the total number of families (or family householders).
Average household size
A measure obtained by dividing the number of people in households by the total number of households (or householders).
Average household
size of owner-occupied units
A measure obtained by dividing the number of people living in owner-occupied housing units by the number of owner-occupied housing units.
Average household
size of renter-occupied units
A measure obtained by dividing the number of people living in renter-occupied housing units by the number of renter-occupied housing units.
Block
A subdivision of a census tract (or, prior to 2000, a block numbering area), a block is the smallest geographic unit for which the Census Bureau tabulates 100-percent data. Many blocks correspond to individual city blocks bounded by streets, but blocks - especially in rural areas - may include many square miles and may have some boundaries that are not streets. The Census Bureau established blocks covering the entire nation for the first time in 1990. Previous censuses back to 1940 had blocks established only for part of the nation. Over 8 million blocks are identified for Census 2000.
A subdivision of a census tract (or, prior to 2000, a block numbering area), a block group is the smallest geographic unit for which the Census Bureau tabulates sample data. A block group consists of all the blocks within a census tract with the same beginning number.
Census
A complete enumeration, usually of a population, but also of businesses and commercial establishments, farms, governments, and so forth.
A statistical entity, defined for each decennial census according to Census Bureau guidelines, comprising a densely settled concentration of population that is not within an incorporated place, but is locally identified by a name. CDPs are delineated cooperatively by state and local officials and the Census Bureau, following Census Bureau guidelines. Beginning with Census 2000 there are no size limits.
Census tract
A small, relatively permanent statistical subdivision of a county delineated by a local committee of census data users for the purpose of presenting data. Census tract boundaries normally follow visible features, but may follow governmental unit boundaries and other non-visible features in some instances; they always nest within counties. Designed to be relatively homogeneous units with respect to population characteristics, economic status, and living conditions at the time of establishment, census tracts average about 4,000 inhabitants. They may be split by any sub-county geographic entity.
Child
A son or a daughter by birth, a stepchild, or an adopted child of the householder, regardless of the child's age or marital status.
Citizenship status
Citizen
People who indicate that they were born in the United States, Puerto Rico, a U.S. Island Area, or abroad of a U.S. citizen parent(s) are citizens.
People who indicate that they are U.S. citizens through naturalization are also citizens.
Naturalized citizens are foreign-born people who identify themselves as naturalized. Naturalization is the conferring, by any means, of citizenship upon a person after birth.
Not a citizen
People who indicate they are not U.S. citizens.
Consolidated
metropolitan statistical area (CMSA)
A geographic entity defined by the federal Office of Management and Budget for use by federal statistical agencies. An area becomes a CMSA if it meets the requirements to qualify as a metropolitan statistical area, has a population of 1,000,000 or more, if component parts are recognized as primary metropolitan statistical areas, and local opinion favors the designation.
Disability
A long-lasting physical, mental, or emotional condition. This condition can make it difficult for a person to do activities such as walking, climbing stairs, dressing, bathing, learning, or remembering. This condition can also impede a person from being able to go outside the home alone or to work at a job or business.
Earnings
Earnings is defined as the algebraic sum of wage or salary income and net income from self-employment. Earnings represent the amount of income received regularly before deductions for personal income taxes, Social Security, bond purchases, union dues, Medicare deductions, etc.
Educational attainment
Refers to the highest level of education completed in terms of the highest degree or the highest level of schooling completed.
Elementary school
A school inclusive of kindergarten through either the eighth or ninth grade, or the first through either the eighth or ninth grade. It can include both elementary and intermediate or middle schools.
Employed
Employed includes all civilians 16 years old and over who were either (1) "at work" -- those who did any work at all during the reference week as paid employees, worked in their own business or profession, worked on their own farm, or worked 15 hours or more as unpaid workers on a family farm or in a family business; or (2) were "with a job but not at work" -- those who did not work during the reference week but had jobs or businesses from which they were temporarily absent due to illness, bad weather, industrial dispute, vacation, or other personal reasons. Excluded from the employed are people whose only activity consisted of work around the house or unpaid volunteer work for religious, charitable, and similar organizations; also excluded are people on active duty in the United States Armed Forces. The reference week is the calendar week preceding the date on which the respondents completed their questionnaires or were interviewed. This week may not be the same for all respondents.
Family
A group of two or more people who reside together and who are related by birth, marriage, or adoption.
Family household (Family)
A family includes a householder and one or more people living in the same household who are related to the householder by birth, marriage, or adoption. All people in a household who are related to the householder are regarded as members of his or her family. A family household may contain people not related to the householder, but those people are not included as part of the householder's family in census tabulations. Thus, the number of family households is equal to the number of families, but family households may include more members than do families. A household can contain only one family for purposes of census tabulations. Not all households contain families since a household may comprise a group of unrelated people or one person living alone.
Female householder, no husband present
A female maintaining a household with no husband of the householder present.
Foreign born
People who are not U.S. citizens at birth.
Foster children
Children receiving parental care and guidance although not related through blood or legal ties; placed in care by a government agency.
When a foster child is also a relative, such as a nephew or niece, the child is counted as a related individual rather than a foster child.
Grandparents as caregivers
Grandparent(s) who have assumed full care of their grandchildren on a temporary or permanent live-in basis. A new question/data category for Census 2000.
Gross rent
The amount of the contract rent plus the estimated average monthly cost of utilities (electricity, gas, and water and sewer) and fuels (oil, coal, kerosene, wood, etc.) if these are paid for by the renter (or paid for the renter by someone else). Gross rent is intended to eliminate differentials which result from varying practices with respect to the inclusion of utilities and fuels as part of the rental payment.
Group quarters (GQ)
The Census Bureau classifies all people not living in households as living in group quarters. There are two types of group quarters: institutional (for example, correctional facilities, nursing homes, and mental hospitals) and non-institutional (for example, college dormitories, military barracks, group homes, missions, and shelters).
Group quarters population
Includes all people not living in households. This term includes those people residing in group quarters as of the date on which a particular survey was conducted. Two general categories of people in group quarters are recognized: 1) the institutionalized population which includes people under formally authorized supervised care or custody in institutions at the time of enumeration (such as correctional institutions, nursing homes, and juvenile institutions) and 2) the noninstitutionalized population which includes all people who live in group quarters other than institutions (such as college dormitories, military quarters, and group homes). The noninstitutionalized population includes all people who live in group quarters other than institutions.
Heating fuel
The type of fuel used most often to heat the house, apartment, or mobile home.
High school
Includes schools with either the ninth through the twelfth grade or the tenth through the twelfth grades.
Hispanic or Latino origin
For Census 2000, American Community Survey: People who identify with the terms "Hispanic" or "Latino" are those who classify themselves in one of the specific Hispanic or Latino categories listed on the Census 2000 or ACS questionnaire—"Mexican," "Puerto Rican," or "Cuban"—as well as those who indicate that they are "other Spanish, Hispanic, or Latino." Origin can be viewed as the heritage, nationality group, lineage, or country of birth of the person or the person's parents or ancestors before their arrival in the United States. People who identify their origin as Spanish, Hispanic, or Latino may be of any race.
1990 Census of Population and Housing: A self-designated classification for people whose origins are from Spain, the Spanish-speaking countries of Central or South America, the Caribbean, or those identifying themselves generally as Spanish, Spanish-American, etc. Origin can be viewed as ancestry, nationality, or country of birth of the person or person's parents or ancestors prior to their arrival in the United States.
Homeowner vacancy rate
The homeowner vacancy rate is the proportion of the homeowner housing inventory which is vacant for sale. It is computed by dividing the number of vacant units for sale only by the sum of owner-occupied units and vacant units that are for sale only, and then multiplying by 100.
Household
A household includes all the people who occupy a housing unit as their usual place of residence.
Household size
The total number of people living in a housing unit.
Household type and relationship
Households are classified by type according to the sex of the householder and the presence of relatives. Examples include: married-couple family; male householder, no wife present; female householder, no husband present; spouse (husband/wife); child; and other relatives.
Householder
The person, or one of the people, in whose name the home is owned, being bought, or rented.
If there is no such person present, any household member 15 years old and over can serve as the householder for the purposes of the census.
Two types of householders are distinguished: a family householder and a nonfamily householder. A family householder is a householder living with one or more people related to him or her by birth, marriage, or adoption. The householder and all people in the household related to him are family members. A nonfamily householder is a householder living alone or with nonrelatives only.
Housing unit
A house, an apartment, a mobile home or trailer, a group of rooms, or a single room occupied as separate living quarters, or if vacant, intended for occupancy as separate living quarters. Separate living quarters are those in which the occupants live separately from any other individuals in the building and which have direct access from outside the building or through a common hall. For vacant units, the criteria of separateness and direct access are applied to the intended occupants whenever possible.
Income
"Total income" is the sum of the amounts reported separately for wages, salary, commissions, bonuses, or tips; self-employment income from own nonfarm or farm businesses, including proprietorships and partnerships; interest, dividends, net rental income, royalty income, or income from estates and trusts; Social Security or Railroad Retirement income; Supplemental Security Income (SSI); any public assistance or welfare payments from the state or local welfare office; retirement, survivor, or disability pensions; and any other sources of income received regularly such as Veterans' (VA) payments, unemployment compensation, child support, or alimony.
Institutionalized population
People under formally authorized, supervised care or custody in institutions at the time of enumeration. Generally, restricted to the institution, under the care or supervision of trained staff, and classified as "patients" or "inmates."
Labor force
The labor force includes all people classified in the civilian labor force, plus members of the U.S. Armed Forces (people on active duty with the United States Army, Air Force, Navy, Marine Corps, or Coast Guard). The Civilian Labor Force consists of people classified as employed or unemployed
Language spoken at home
The language currently used by respondents at home, either "English only" or a non-English language which is used in addition to English or in place of English.
Latino
See Hispanic
Marital status
Adults are generally classified by marital status as being married, never married, separated, divorced or widowed.
Mean
This measure represents an arithmetic average of a set of numbers. It is derived by dividing the sum of a group of numerical items by the total number of items in that group. For example, mean family income is obtained by dividing the total of all income reported by people 15 years and over in families by the total number of families.
Mean income
Mean income is the amount obtained by dividing the total income of a particular statistical universe by the number of units in that universe. Thus, mean household income is obtained by dividing total household income by the total number of households. For the various types of income, the means are based on households having those types of income.
Median
This measure represents the middle value (if n is odd) or the average of the two middle values (if n is even) in an ordered list of data values. The median divides the total frequency distribution into two equal parts: one-half of the cases fall below the median and one-half of the cases exceed the median.
Median age
This measure divides the age distribution in a stated area into two equal parts: one-half of the population falling below the median value and one-half above the median value.
Median income
The median income divides the income distribution into two equal groups, one having incomes above the median, and other having incomes below the median.
Metropolitan statistical area (MSA)
A geographic entity defined by the federal Office of Management and Budget for use by federal statistical agencies, based on the concept of a core area with a large population nucleus, plus adjacent communities having a high degree of economic and social integration with that core. Qualification of an MSA requires the presence of a city with 50,000 or more inhabitants, or the presence of an Urbanized Area (UA) and a total population of at least 100,000 (75,000 in New England). The county or counties containing the largest city and surrounding densely settled territory are central counties of the MSA. Additional outlying counties qualify to be included in the MSA by meeting certain other criteria of metropolitan character, such as a specified minimum population density or percentage of the population that is urban. MSAs in New England are defined in terms of minor civil divisions, following rules concerning commuting and population density.
Migration
Migration includes all changes of residence including moving into, out of, or within a given area. Foreign country, or state, county and city of previous residence is collected and coded. In 12 states, minor civil division (MCD) is also coded.
Native Hawaiian and Pacific Islander race and ethnic categories
Self-identification among people of Native Hawaiian and Pacific Islander descent. These are the 12 detailed Native Hawaiian and Pacific Islander race and ethnic categories used in displaying data from Census 2000:
Polynesian:
Native Hawaiian
Samoan
Tongan
Other Polynesian
Micronesian:
Guanamanian or Chamorro
Other Micronesian
Melanesian:
Fijian
Other Melanesian
Other Pacific Islander
In 1997, the Federal Office of Management and Budget (OMB) revised the standards for how the Federal government would collect and present data on race and ethnicity. The new guidelines reflect "the increasing diversity of our Nation's population, stemming from growth in interracial marriages and immigration."
These new guidelines revised some of the racial categories used in 1990 and preceding censuses and allowed respondents to report as many race categories as were necessary to identify themselves on the Census 2000 questionnaire.
Native population
The native population includes people born in the United States, Puerto Rico, or U.S. Island Areas; as well as those born in a foreign country who had at least one parent who was a U.S. citizen.
Noninstitutionalized population
Includes all people who live in group quarters other than institutions.
Examples: college dormitories, rooming houses, religious group homes, communes, and halfway houses.
Nonrelatives
Any household member, including foster children, living in the housing unit but not related to the householder by birth, marriage, or adoption.
Not in labor force
Not in labor force includes all people 16 years old and over who are not classified as members of the labor force. This category consists mainly of students, housewives, retired workers, seasonal workers interviewed in an off season who were not looking for work, institutionalized people, and people doing only incidental unpaid family work (less than 15 hours during the reference week).
Number of employeesEquivalent to the number of paid employees for census purposes. Paid employees consists of full-time and part-time employees, including salaried officers and executives of corporations. Included are employees on paid sick leave, paid holidays, and paid vacations; not included are proprietors and partners of unincorporated businesses. The definition of paid employees is the same as that used on IRS Form 941.
Number of establishments
An establishment is a single physical location at which business is conducted and/or services are provided. It is not necessarily identical with a company or enterprise, which may consist of one establishment or more. Economic census figures represent a summary of reports for individual establishments rather than companies. For cases where a census report was received, separate information was obtained for each location where business was conducted. When administrative records of other federal agencies were used instead of a census report, no information was available on the number of locations operated. Each economic census establishment was tabulated according to the physical location at which the business was conducted. For the 1997 Economic Census data displayed in American FactFinder, the count of establishments represents those in business at any time during 1997.
When two activities or more were carried on at a single location under a single ownership, all activities generally were grouped together as a single establishment. The entire establishment was classified on the basis of its major activity and all data for it were included in that classification. However, when distinct and separate economic activities (for which different industry classification codes were appropriate) were conducted at a single location under a single ownership, separate establishment reports for each of the different activities were obtained in the census.
Occupation
Occupation describes the kind of work the person does on the job. For employed people, the data refer to the person's job during the reference week. For those who worked at two or more jobs, the data refer to the job at which the person worked the greatest number of hours. Some examples of occupational groups shown in this product include managerial occupations; business and financial specialists; scientists and technicians; entertainment; healthcare; food service; personal services; sales; office and administrative support; farming; maintenance and repair; and production workers.
Occupied housing unit
A housing unit is classified as occupied if it is the usual place of residence of the person or group of people living in it at the time of enumeration.
Other relative
Any household member related to the householder by birth, marriage, or adoption, but not specifically included in any other relationship category. Can include grandchildren, parents, in-laws, cousins, etc.
Own children
A child under 18 years old who is a son or daughter by birth, marriage (a stepchild), or adoption. For 100-percent tabulations, own children consist of all sons/daughters of householders who are under 18 years of age. For sample data, own children consist of sons/daughters of householders who are under 18 years of age and who have never been married, therefore, numbers of own children of householders may be different in these two tabulations.
Owner-occupied housing unit
A housing unit is owner occupied if the owner or co-owner lives in the unit even if it is mortgaged or not fully paid for.
People in family
Total number of people living in one household and related to the householder.
People in household
Total number of people living in one housing unit.
Per capita income
Average obtained by dividing aggregate income by total population of an area.
Percentage
This measure is calculated by taking the number of items in a group possessing a characteristic of interest and dividing by the total number of items in that group, and then multiplying by 100.
Place
A concentration of population either legally bounded as an incorporated place, or identified as a Census Designated Place (CDP) including comunidades and zonas urbanas in Puerto Rico. Incorporated places have legal descriptions of borough (except in Alaska and New York), city, town (except in New England, New York, and Wisconsin), or village.
Place of birth
The U. S. state or foreign country where a person was born. Used in determining citizenship.
Plumbing facilities
The data on plumbing facilities were obtained from both occupied and vacant housing units. Complete plumbing facilities include: (1) hot and cold piped water; (2) a flush toilet; and (3) a bathtub or shower. All three facilities must be located in the housing unit.
Population
All people, male and female, child and adult, living in a given geographic area.
Population density
Total population or number of housing units within a geographic entity (for example, United States, state, county, place) divided by the land area of that entity measured in square kilometers or square miles. Density is expressed as both "people (or housing units) per square kilometer" and "people (or housing units) per square mile" of land area.
Poverty
Following the Office of Management and Budget's (OMB's) Directive 14, the Census Bureau uses a set of money income thresholds that vary by family size and composition to detect who is poor. If the total income for a family or unrelated individual falls below the relevant poverty threshold, then the family or unrelated individual is classified as being "below the poverty level."
Puerto Rico
The U.S. Census Bureau treats the Commonwealth of Puerto Rico as the equivalent of a state for data presentation purposes. Puerto Rico is divided into legal government municipios, which are statistically equivalent to counties.
Race
Race is a self-identification data item in which respondents choose the race or races with which they most closely identify.
For Census 2000:
In 1997, after a lengthy analysis and public comment period, the Federal Office of Management and Budget (OMB) revised the standards for how the Federal government would collect and present data on race and ethnicity. The new guidelines reflect "the increasing diversity of our Nation's population, stemming from growth in interracial marriages and immigration."
These new guidelines revised some of the racial categories used in 1990 and preceding censuses and allowed respondents to report as many race categories as were necessary to identify themselves on the Census 2000 questionnaire.
How the new guidelines affect Census 2000 results and the comparison with data from 1990:
Census 2000 race data are not directly comparable with data from 1990 and previous censuses.
Race Alone categories (6):
Includes the minimum 5 race categories required by OMB, plus the 'some other race alone' included by the Census Bureau for Census 2000, with the approval of OMB.
White alone
Black or African-American alone
American Indian or Alaska Native alone
Asian alone
Native Hawaiian or other Pacific Islander alone
Some other race alone
Race Alone or in combination categories (63):
There will be other tabulations where 'race alone or in combination' will be shown. These tabulations include not only persons who marked only one race (the 'race alone' category) but also those who marked that race and at least one other race. For example, a person who indicated that she was of Filipino and African-American background would be included in the African-American alone or in combination count, as well as in the Asian alone or in combination count. The alone or in combination totals are tallies of responses, rather than respondents. So the sum of the race alone or in combination will add to more than the total population.
Some tabulations will show the number of persons who checked 'two or more races'.
In some tables, including the first release of Census 2000 information, data will be tabulated for 63 possible combinations of race:
6 race alone categories
15 categories of 2 races (e.g., White and African American, White and Asian, etc.)
20 categories of 3 races
15 categories of 4 races
6 categories of 5 races
1 category of 6 races
=63 possible combinations
Some tables will show data for 7 race categories: the 6 (mutually-exclusive) major race-alone categories (White, African-American, American Indian and Alaska Native, Asian, Native Hawaiian and Other Pacific Islander, and some other race) and a 'two or more races' category. The sum of these 7 categories will add to 100 percent of the population.
Rate
This is a measure of occurrences in a given period of time divided by the possible number of occurrences during that period.
Ratio
This is a measure of the relative size of one number to a second number expressed as the quotient of the first number divided by the second.
Region
Four groupings of states (Northeast, South, Midwest, and West) established by the Census Bureau in 1942 for the presentation of census data.
Northeast Region: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, Rhode Island, New Jersey, New York, Pennsylvania
South Region: Maryland, Delaware, West Virginia, Virginia, Kentucky, Tennessee, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Arkansas, Louisiana, Oklahoma, Texas
Midwest Region: North Dakota, South Dakota, Nebraska, Kansas, Missouri, Iowa, Minnesota, Wisconsin, Illinois, Michigan, Indiana, Ohio
West Region: Washington, Idaho, Montana, Wyoming, Oregon, California, Nevada, Utah, Colorado, Arizona, New Mexico, Alaska, Hawaii
Puerto Rico and the Island areas are not part of any region.
Related children
Includes all people in a household under the age of 18, regardless of marital status, who are related to the householder. Does not include householder's spouse or foster children, regardless of age.
Rental vacancy rate
The proportion of the rental inventory which is vacant for rent. It is computed by dividing the number of vacant units for rent by the sum of the renter-occupied units and the number of vacant units for rent, and then multiplying by 100.
Renter-occupied housing unit
All occupied units which are not owner occupied, whether they are rented for cash rent or occupied without payment of cash rent, are classified as renter-occupied.
Residence 5 years ago
Indicates the area of residence 5 years prior to the reference date for those who reported that they lived in a different housing unit.
School enrollment
Enrollment in regular school, either public or private, which includes nursery school, kindergarten, elementary school, and schooling which leads to a high school diploma or college degree.
Selected Monthly Owner Costs
In Census 2000 the selected monthly owner costs are calculated from the sum of payment for mortgages, real estate taxes, various insurances, utilities, fuels, mobile home costs, and condominium fees. Listing the items separately improves accuracy and provides additional detail. When combined with income, a new item is created - Selected Monthly Owner Costs as a Percentage of Household Income. This item is used to measure housing affordability and excessive shelter costs. For example, many government agencies define excessive as costs that exceed 30 percent of household income.
Sex
An individual's gender classification - male or female.
Spanish/Hispanic/Latino
For Census 2000 and the American Community Survey: People who identify with the terms "Hispanic" or "Latino" are those who classify themselves in one of the specific Hispanic or Latino categories listed on the Census 2000 or ACS questionnaire—"Mexican," "Puerto Rican," or "Cuban"—as well as those who indicate that they are "other Spanish, Hispanic, or Latino." Origin can be viewed as the heritage, nationality group, lineage, or country of birth of the person or the person's parents or ancestors before their arrival in the United States. People who identify their origin as Spanish, Hispanic, or Latino may be of any race.
For 1990 Census of Population and Housing:
A self-designated classification for people whose origins are from Spain, the Spanish-speaking countries of Central or South America, the Caribbean, or those identifying themselves generally as Spanish, Spanish-American, etc. Origin can be viewed as ancestry, nationality, or country of birth of the person or person's parents or ancestors prior to their arrival in the United States.
Spanish/Hispanic/Latino people may be of any race.
Listed below are the 28 Hispanic or Latino categories displayed in Census 2000 tabulations:
Mexican
Puerto Rican
Cuban
Dominican Republic
Central American:
Costa Rican
Guatemalan
Honduran
Nicaraguan
Panamanian
Salvadoran
Other Central American
South American:
Argentinian
Bolivian
Chilean
Colombian
Ecuadorian
Paraguayan
Peruvian
Uruguayan
Venezuelan
Other South American
Other Hispanic or Latino:
Spaniard
Spanish
Spanish American
All other Hispanic or Latino
Specified Owner Occupied Housing Units
Total number of owner occupied housing units described as either a one family home detached from any other house or a one family house attached to one or more houses on less than 10 acres with no business on the property.
Spouse
A person legally married to another person.
This file presents 100-percent population and housing figures for the total population, for 63 race categories, and for many other race and Hispanic or Latino categories. This includes age, sex, households, household relationship, housing units, and tenure (whether the residence is owned or rented). Also included are selected characteristics for a limited number of race and Hispanic or Latino categories. The data are available for the U.S., regions, divisions, states, counties, county subdivisions, places, census tracts, block groups, blocks, metropolitan areas, American Indian and Alaska Native areas, tribal subdivisions, Hawaiian home lands, congressional districts, and ZIP Code Tabulation Areas. Data are available down to the block level for many tabulations, but only to the census-tract level for others. Available on CD-ROM, DVD, and American FactFinder.
The Census 2000 Summary File 1 data are released in three stages. Individual state files and two national files are released. The state-level data are released first, followed by the Advance National File, which covers the same data subjects, but includes national level summary data such as ZCTAs, whole metropolitan areas, whole American Indian areas, etc. The Final National File contains the same data subjects and geographic areas as the Advance National File, but adds the first available urban/rural and urbanized area data. For the most current release dates for these files, see the "Census 2000 Release Schedule" link on the AFF Main Page.
Planned release dates:
(States): June-September 2001
(Advance National File): November-December 2001
(Final National File): May-June 2002
This file presents data on the population and housing long form subjects such as income and education. It includes population totals for ancestry groups. It also includes selected characteristics for a limited number of race and Hispanic or Latino categories. The data are available for the U.S., regions, divisions, states, counties, county subdivisions, places, census tracts, block groups, metropolitan areas, American Indian and Alaska Native areas, tribal subdivisions, Hawaiian home lands, congressional districts, and Zip Code Tabulation Areas. Available on CD-ROM, DVD, and American FactFinder
A map that reveals the geographic patterns in statistical data
Unemployed
All civilians 16 years old and over are classified as unemployed if they (1) were neither "at work" nor "with a job but not at work" during the reference week, and (2) were actively looking for work during the last 4 weeks, and (3) were available to accept a job. Also included as unemployed are civilians who did not work at all during the reference week, were waiting to be called back to a job from which they had been laid off, and were available for work except for temporary illness.
Units in structure
A structure is a separate building that either has open spaces on all sides or is separated from other structures by dividing walls that extend from ground to roof. In determining the number of units in a structure, all housing units, both occupied and vacant, are counted.
Unmarried partner
A person who is not related to the householder, who shares living quarters with, and who has a close personal relationship with the householder.
Unmarried-partner household
Household in which the householder and his or her partner are not legally married or participating in a common law marriage.
Unrelated individual
Person, sharing a housing unit, who is not related to the householder by birth, marriage or adoption. Includes foster children.
Vacancy status
Unoccupied housing units are considered vacant. Vacancy status is determined by the terms under which the unit may be occupied, e.g., for rent, for sale, or for seasonal use only.
Vacant housing unit
A housing unit is vacant if no one is living in it at the time of enumeration, unless its occupants are only temporarily absent. Units temporarily occupied at the time of enumeration entirely by people who have a usual residence elsewhere are also classified as vacant.
Value
Value is the respondent's estimate of how much the property (house and lot, mobile home and lot, or condominium unit) would sell for if it were for sale.
Veteran status
A "civilian veteran" is a person 18 years old or over who has served (even for a short time), but is not now serving, on active duty in the U.S. Army, Navy, Air Force, Marine Corps, or the Coast Guard, or who served in the U.S. Merchant Marine during World War II. People who served in the National Guard or military Reserves are classified as veterans only if they were ever called or ordered to active duty, not counting the 4-6 months for initial training or yearly summer camps. All other civilians 16 years old and over are classified as nonveterans.
Worker
This term appears in connection with several subjects: journey-to-work items, class of worker, work status in the past 12 months, weeks worked in the past 12 months, and number of workers in family in the past 12 months. Its meaning varies and, therefore, should be determined in each case by referring to the definition of the subject in which it appears.
Year structure built
The data on year structure built were obtained from both occupied and vacant housing units. Year structure built refers to when the building was first constructed, not when it was remodeled, added to, or converted. The data relate to the number of units built during the specified periods that were still in existence at the time of enumeration.