Brief Description of SF4:
SF4 data consist of 323 tables of social, economic, and housing characteristics compiled from a sample of approximately 19 million housing units (about 1-in-6 households) that received and answered the Census 2000 long form. Each table is repeated for 336 population groups – total population, 132 race groups, 78 American Indian and Alaska native tribal categories (reflecting 39 individual tribes), 39 Hispanic- or Latino-origin groups and 86 ancestry groups.
The presentation of any of the 336 SF4 population groups must meet a minimum population threshold (see chapter 1 of the technical documentation). Tables of any population group excluded from SF2 because the group’s total population in a specific geographic area did not meet the SF2 threshold of 100 people are excluded from SF4. In addition, all tables are shown for any of the above population groups only if there are at least 50 unweighted sample cases in a specific geographic area. For the ancestry iterations, only the 50 unweighted sample cases test can be performed.
These data sequence down to the census tract-level for the 50 states, the District of Columbia and Puerto Rico.
There are 213 population tables covering subjects such as:
| school enrollment | educational attainment |
| grandparents as caregivers | veterans status |
| disability status | foreign born |
| residence in 1995 | nativity and place of birth |
| language spoken at home | employment status |
| citizenship and year of entry | class of worker |
| marital status | ancestry |
| occupation | poverty status |
| industry | income in 1999 |
| commuting to work |
There are 110 housing tables covering subjects such as:
| number of bedrooms | year moved into unit |
| heating fuel source | plumbing/kitchen facilities |
| housing value | mortgage status/owner costs |
| units in structure | year structure built |
| number of rooms | occupants per room |
| number of vehicles | gross rent |
| owner costs: percent of income | gross rent: percent of income |
SF4 state files include data for the following geographic areas:
Nation
States
Counties
County subdivisions
Places
Census tracts
Hawaiian home lands
State parts of :
American Indian/Alaska native areas
Metropolitan areas
Urban areas (urbanized areas and urban clusters)
The SF4 National file will include data for the following geographies:
| Nation | Regions |
| Divisions | States |
| Counties | County subdivisions |
| Places | American Indian/Alaska Native areas |
| Metropolitan areas | Urban areas |
| Hawaiian home lands |
Where to find this information:
A listing of states that have been released and scheduled for release, along with links to the corresponding product announcements and supporting data files, may be found on the Web at:
https://www.census.gov/Press-Release/www/2003/SF4.html. In addition, links to SF4 data and all Census 2000 products may be found on the American FactFinder main page at:
https://factfinder.census.gov/servlet/BasicFactsServlet.
Source: U.S. Census Bureau