ABSTRACT The user should note that there are limitations to many of these data. Please refer to the technical documentation provided with Summary Tape File 3 on CD-ROM for a further explanation on the limitations of the data. CONTENTS Citation 1--1 File Availability 1--3 Geographic Coverage 1--1 Related Products 1--2 Related Reference Materials 1--3 Software 1--3 Subject Matter Description 1--1 Technical Description 1--3 Type of File 1--1 Universe Description 1--1 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 10,000 or more persons (12 States) 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 labelled. STF 3A files are labelled 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.