Documentation: Census 1990
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Publisher: U.S. Census Bureau
Survey: Census 1990
Document: Summary Tape File 3
citation:
Social Explorer, U.S. Census Bureau; Census of Population and Housing, 1990: Summary Tape File 3 on CD-ROM [machine-readable data files] / prepared by the Bureau of the Census. Washington: The Bureau [producer and distributor], 1991.
Summary Tape File 3
Chapter 1. Abstract
Citation
Census of Population and Housing, 1990: Summary Tape File 3 on CD-ROM [machine-readable data files] / prepared by the Bureau of the Census. -Washington: The Bureau [producer and distributor], 1992.
Type Of File
Summary statistics.
Universe Description
All persons and housing units in the United States.
Subject Matter Description
Summary Tape File 3 (STF 3) contains sample data weighted to represent the total population. In addition, the file contains 100-percent counts and unweighted sample counts for total persons and total housing units. Other population and housing items are listed below. Please see the List of Tables chapter for a complete listing.

Population items include:

Age
Ancestry
Citizenship
Class of worker
Educational attainment
Employment status
Family type
Farm and nonfarm population
Foreign-born status
Group quarters
Hispanic origin
Household type and relationship
Income in 1989
Industry
Language spoken at home
Marital status
Means of transportation to work
Mobility limitation status
Occupation
Place of birth
Place of work
Poverty status in 1989
Private vehicle occupancy
Race
Residence in 1985
School enrollment
Self-care limitation status
Sex
Travel time to work
Urban and rural population
Veteran/military status
Work disability status
Work status in 1989
Workers in family in 1989

Housing items include:

Age of householder
Bedrooms
Condominium status
Farm and nonfarm housing
Heating fuel
Hispanic origin of householder
Housing units
Kitchen facilities
Meals included in rent
Mortgage status
Occupancy status
Plumbing facilities
Race of householder
Rent
Rooms
Selected monthly owner costs
Sewage disposal
Telephone availability
Tenure
Units in structure
Urban and rural housing
Utilities in rent
Value of housing unit
Vehicles available
Water source
Year householder moved into unit
Year structure built

Selected aggregates and medians also are provided. Data are presented in 193 population tables (matrices) and 99 housing tables (matrices).

Geographic Coverage
Summary Tape File 3 is released as file 3A, file 3B, file 3C, and file 3D. The record layout is identical for all four files but the geographic coverage differs.

This abstract lists only the most frequently accessed geographic levels. The Summary Level Sequence Charts chapter outlines the hierarchical and inventory summaries in their entirety.

STF 3A provides data for States and their subareas in hierarchical sequence down to the block group level. This hierarchy is shown below:

  State
    County
      County subdivision
        Place (or place part)
          Census tract/block numbering area (BNA) (or part)
            Block group (or part)
State portion of American Indian and Alaska Native area (with trust lands and with no trust lands)
County portion of American Indian and Alaska Native area Alaska Native Regional Corporation
State portion of Metropolitan Statistical Area (MSA)/Consolidated Metropolitan Statistical Area (CMSA)/Primary Metropolitan Statistical Area (PMSA)
State portion of urbanized areas (UA)

File 3A also has inventory (complete) summaries for the following geographic areas:

Census tract/block numbering area (BNA)
Block group
Place
Consolidated city

STF 3B provides ZIP Code data for the 5-digit ZIP Codes within each State including county portions of the ZIP Codes. The hierarchy for the file is shown below:

ZIP Code
  State
    County

STF 3C provides summaries for the entire United States. The file structure is as follows:

United States
Region
Division
State
  County
  County subdivision with fewer than 10,000 persons and in an MSA/CMSA (6 States)
  Place with 10,000 or more persons
  Consolidated city
American Indian/Alaska Native areas (with trust lands and with no trust lands)
Alaska Native Regional Corporation
Metropolitan Statistical Area (MSA)/Consolidated Metropolitan Statistical
Area (CMSA)/Primary Metropolitan Statistical Area (PMSA)
Urbanized area (UA)

STF 3D is not available on CD-ROM.

Related Products
Listed below are the 1990 census printed reports containing sample data from STF 3 and STF 4. These reports will be available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. An order form follows this abstract.

1990 CPH-3, Population and Housing Characteristics for Census Tracts and Block Numbering Areas. One report will be published for each metropolitan area (MA) and one for the non-metropolitan balance of each State, Puerto Rico and the U. S. Virgin Islands showing data for most of the population and housing subjects included in the 1990 census. Some tables will be based on the 100-percent tabulations, others on the sample tabulations. Scheduled for release in 1992-93.

1990 CPH-4, Population and Housing Characteristics for Congressional Districts of the 103rd Congress. A report for each State and the District of Columbia which provides both 100-percent and sample data for States, congressional districts and, within congressional districts, counties, places of 10,000 or more inhabitants, county subdivisions of 10,000 or more inhabitants in 12 States, and American Indian and Alaska Native areas. Scheduled for release in 1993.

1990 CPH-5, Summary Social, Economic, and Housing Characteristics. These reports, issued for the United States, States, District of Columbia, Puerto Rico, and the U. S. Virgin Islands, provide sample population and housing data for States and local governmental units (i. e., counties, places, towns, and townships), other county subdivisions, and American Indian and Alaska Native areas. Scheduled for release in 1992-93.

1990 CP-2, Social and Economic Characteristics. These reports are issued for the United States, States, District of Columbia, Puerto Rico, and the U. S. Virgin Islands. They focus on the population subjects collected on a sample basis in 1990. Data are shown for States (including summaries such as urban and rural), counties, places of 2,500 or more inhabitants, county subdivisions of 2,500 or more inhabitants in selected States, Alaska Native areas, and each State portion of American Indian areas. Scheduled for release in 1993.

1990 CP-2-1A, Social and Economic Characteristics for American Indian and Alaska Native Areas. Data are shown for American Indian and Alaska Native areas. Scheduled for release in 1993.

1990 CP-2-1B, Social and Economic Characteristics for Metropolitan Areas. Data are shown for MA's. Scheduled for release in 1993.

1990 CP-2-1C, Social and Economic Characteristics for Urbanized Areas. Data are shown for urbanized areas (UA's). Scheduled for release in 1993.

1990 CP-3, Population Subject Reports. Thirty reports are planned covering population subjects and subgroups. These include migration, income, and the older population. Geographic areas generally will include the United States, regions, and divisions; some reports may include data for highly populated areas, such as States, MA's, counties and large places. Scheduled for release in 1993.

1990 CH-2, Detailed Housing Characteristics. These reports, issued for the United States, States, District of Columbia, Puerto Rico, and the U. S. Virgin Islands, focus on the housing subjects collected on a sample basis in 1990. Data are shown for States (including summaries such as urban and rural), counties, places of 2,500 or more inhabitants, county subdivisions of 2,500 or more inhabitants in selected States, Alaska Native areas and the State portion of American Indian areas. Scheduled for release in 1993.

1990 CH-2-1A, Detailed Housing Characteristics for American Indian and Alaska Native Areas. Data are shown for American Indian and Alaska Native areas. Scheduled for release in 1993.

1990 CH-2-1B, Detailed Housing Characteristics for Metropolitan Areas. Data are shown for MA's. Scheduled for release in 1993.

1990 CH-2-1C, Detailed Housing Characteristics for Urbanized Areas. Data are shown for UA's. Scheduled for release in 1993.

1990 CH-3, Housing Subject Reports. Ten housing subject reports are planned covering 1990 census items such as structural characteristics and space utilization. Geographic areas generally include the United States, regions, and divisions; some reports may include data for other highly populated geographic areas such as States, MA's, counties, and large places. Scheduled for release in 1993.

STF 3 data also are available on tape as files 3A, 3B, 3C, and 3D. STF 3A will be available on microfiche.

Related Reference Materials
1990 Census of Population and Housing Tabulation and Publication Program. This booklet provides descriptions of the data products available from the 1990 census. Available without charge from Customer Services, Data User Services Division, Bureau of the Census, Washington, DC 20233. Phone: 301-763-4100. FAX: 301-763-4794.

Census '90 Basics. This booklet provides a general overview of the census activity and detailed information on census content, geographic areas, and products. Available without charge from Customer Services (see above).

Census ABC's. Applications in Business and Community. This booklet highlights key information about the 1990 census and illustrates a variety of ways the data can be used. Available without charge from Customer Services (see above).

A comprehensive 1990 Census of Population and Housing Guide will be available in early 1992. It will provide detailed information about all aspects of the census.

Software
Data retrieval software is on the CD-ROM. It can be accessed by typing GO.

Technical Description
The data files on the CD-ROM are in dBASE III + TM format. The files for each State are labeled. STF 3A files are labeled STF300ss.DBF through STF334ss.DBF where 'ss' is the two-character State abbreviation. Some State files will occupy more than one CD-ROM. For further information, refer to the README file on the CD-ROM. (Information on STF 3B and STF 3C files will be available later.)

File Availability
CD-ROM's are released for States or groups of States as the files become available. The STF 3A CD-ROM will be issued in mid 1992. The STF 3B and STF 3C CD-ROM products will be released later in 1992. Cost of each CD-ROM is $150.