Summary Tape File (STF) 1 consists of six sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, STF 1D, STF 1E, and STF 1F. All six groups of files in the STF 1 have identical tables and formats presented in 59 tables consisting of 321 cells. The data items contained in the STF 1 files were also tabulated from the complete count or "100-percent" questions included on the 1980 Census. The data files differ only in geographic coverage. STF 1F, the School Districts file, is a special tabulation that provides summary level data for school districts by state (summary level 40) including the District of Columbia, and by county or county equivalent (summary level 41). Population items tabulated include age, race (provisional data), sex, marital status, Spanish origin (provisional data), household type, and household relationship. Housing items tabulated include occupancy/vacancy status, tenure, contract rent, value, condominium status, number of rooms, and plumbing facilities. Selected aggregates, means, and medians are also provided.

Summary Tape File 1 (STF 1) consists of four sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, and STF 1D. The STF 1 National Subset file was created by ICPSR in conjunction with the National Archive of Computerized Data on Aging (NACDA). This file is a subset of STF 1 and has data for all 50 states, the District of Columbia, for each of the approximately 3,150 counties and county equivalents in the United States, and for approximately 450 incorporated and unincorporated cities in the nation with populations of 50,000 persons or more. There are 321 substantive data variables organized in the form of 59 "tables," as well as standard geographic identification variables. All of the data items contained in STF 1 were tabulated from the "complete count" or "100-percent" questions included on the 1980 Census questionnaire. The data are provided in the original Census Bureau format so they can be accessed by CENSPAC and other software packages that are oriented toward STF 1 data in the format provided by the Census Bureau.

Summary Tape File (STF) 1 consists of four sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, and STF 1D. All files in the STF 1 series are identical, containing 321 substantive data variables organized in the form of 59 "tables," as well as standard geographic identification variables. All of the data items contained in the STF 1 files were tabulated from the "complete count" or "100-percent" questions included on the 1980 Census questionnaire. All four groups of files within the STF 1 series have identical record formats and technical characteristics and differ only in the types of geographical areas for which the summarized data items are presented. STF 1B contains summaries for states, standard metropolitan statistical areas (portions within states), counties, minor civil divisions (available for 20 states), places, census tracts or block numbering areas, and blocks or enumeration districts. There are 52 data files, one for each state, the District of Columbia, and Puerto Rico. Housing items tabulated include occupancy/vacancy status, tenure, contract rent, value, condominium status, number of rooms, and plumbing facilities. Population items include demographic information such as age, sex, race, marital status, Spanish origin, household relationship, and household type. Selected aggregates, means, and medians are also provided.

Summary Tape File (STF) 1 consists of four sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, and STF 1D. All files in the STF 1 series are identical, containing 321 substantive data variables organized in the form of 59 "tables," as well as standard geographic identification variables. All of the data items contained in the STF 1 files were tabulated from the "complete count" or "100-percent" questions included on the 1980 Census questionnaire. All four groups of files within the STF 1 series have identical record formats and technical characteristics and differ only in the types of geographical areas for which the summarized data items are presented. STF 1A provides summaries for state or state equivalent, county or county equivalent, minor civil division/census county division (MCD/CCD), place or place segment within MCD/CCD or remainder of MCD/CCD, census tract or block numbering area (BNA) or untracted segment within place, place segment or remainder or MCD/CCD, and block group (BG) or BG segment or enumeration district (ED). This file contains 57 data files, one for each state, the District of Columbia, Puerto Rico, and the United States possessions, which include American Samoa, Guam, Northern Mariana Islands, the Trust Territory of the Pacific Islands, and the Virgin Islands. The information on the United States possessions is similar but not identical to the other data and is documented in a separate codebook. Puerto Rico is also documented by a separate codebook.

Summary Tape File (STF) 1 consists of four sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, and STF 1D. All files in the STF 1 series are identical, containing 321 substantive data variables organized in the form of 59 "tables," as well as standard geographic identification variables. All of the data items contained in the STF 1 files were tabulated from the "complete count" or "100-percent" questions included on the 1980 Census questionnaire. All four groups of files within the STF 1 series have identical record formats and technical characteristics and differ only in the types of geographical areas for which the summarized data items are presented. STF 1D provides summaries for state or state equivalent, congressional district (as constituted for the 98th Congress), county or county equivalent, places of 10,000 or more people, and minor civil divisions (MCD) or census county divisions (CCD). Housing items tabulated include occupancy/vacancy status, tenure, contract rent, value, condominium status, number of rooms, and plumbing facilities. Population items include demographic information such as age, sex, race, marital status, Spanish origin, household relationship, and household type. Selected aggregates, means, and medians are also provided. See the related collection, CENSUS OF POPULATION AND HOUSING, 1980 [UNITED STATES]: SUMMARY TAPE FILE 1H (ICPSR 8401).

Summary Tape File (STF) 1 consists of six sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, STF 1D, STF 1E, and STF 1F. All six groups of files in the STF 1 have identical tables and formats presented in 59 tables consisting of 321 cells. The data items contained in the STF 1 files were also tabulated from the complete count or "100-percent" questions included on the 1980 Census. The data files differ only in geographic coverage. STF 1F, the School Districts file, is a special tabulation that provides summary level data for school districts by state (summary level 40) including the District of Columbia, and by county or county equivalent (summary level 41). Population items tabulated include age, race (provisional data), sex, marital status, Spanish origin (provisional data), household type, and household relationship. Housing items tabulated include occupancy/vacancy status, tenure, contract rent, value, condominium status, number of rooms, and plumbing facilities. Selected aggregates, means, and medians are also provided. (Source: ICPSR, accessed on 06/14/2011)

Summary Tape File (STF) 1 consists of four sets of computer-readable data files containing detailed tabulations of the nation's population and housing characteristics produced from the 1980 Census. This series is comprised of STF 1A, STF 1B, STF 1C, and STF 1D. All files in the STF 1 series are identical, containing 321 substantive data variables organized in the form of 59 "tables," as well as standard geographic identification variables. All of the data items contained in the STF 1 files were tabulated from the "complete count" or "100-percent" questions included on the 1980 Census questionnaire. All four groups of files within the STF 1 series have identical record formats and technical characteristics and differ only in the types of geographical areas for which the summarized data items are presented. STF 1C contains summaries for the United States as a whole, regions, divisions, state or state equivalents, standard consolidated statistical areas (SCSAs), standard metropolitan statistical areas (SMSAs), urbanized areas, county or county equivalents, places of 10,000 or more people, minor civil divisions of 10,000 or more, and congressional districts. The number of data records in each file varies by state. Housing items tabulated include occupancy/vacancy status, tenure, contract rent, value, condominium status, number of rooms, and plumbing facilities. Population items include demographic information such as age, sex, race, marital status, Spanish origin, household relationship, and household type.