For more info...
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Encyclopedia of the U.S. CensusSee the entry under "History of Decennial Censuses". Includes bibliography for each census.
Historical Census Populations of Counties and Cities in California
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Historical Census Populations of Counties and Incorporated Cities in California, 1850–2010Total population counts for the state, counties, and incorporated cities in California from seventeen decennial U.S. censuses, 1850–2010.
Raw Data Files
These are computer files intended to be loaded into statistical software for analysis and creating your own tables. In some cases these files can be used with spreadsheet software as well.
Population Schedules
Note: 1990 population schedules have not been released.
Census population schedules (or "name schedules" or "manuscript census") are copies of the original questionnaires collected during each decennial census. They list the individual names and family information of the people enumerated. Unlike the statistics published soon after the census, the population schedules remain confidential for 72 years. 1930 is the most recent population schedule available.
Contact
Need help? Use the Ask-A-Librarian reference service, or call us at (858) 822-0450 during Research Assistance Desk hours.
about the 1990 census
Highlights
- 21st decennial census
- US population: 248,709,873
- California population: 29,760,021
Questions asked
Information obtained from all persons: age; sex; color or race; if American Indian, name of tribe; relationship to head of family or household; marital status
Information obtained from a sample of the population: ancestry/ethnic origin; ill or disabled; school attendance; educational attainment; place of birth; citizenship; if foreign born, year of immigration; language; Spanish origin or descent; number of children ever born to mother; veteran status; length of service; in service date; place of residence in previous year; year moved to present residence; industry; occupation; class of worker; employment status; duration of unemployment; year last worked; weeks worked in preceding year; hours worked in preceding week; value of real estate; income; place of work; means of transportation to work
For more information:
Statistics
Find all 1990 census publications in the Library.
Multi-year census compilations (compare across years): These sources tend to include statistics for large geographic areas (e.g. states), but can be very useful when comparing statistics over time.
Key publications:
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Print available in the Library |
Online access |
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Census of Population: |
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General Population Characteristics |
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Social and Economic Characteristics |
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The Foreign-Born Population in the United States |
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Ancestry of the Population in the United States |
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Persons of Hispanic Origin in the United States |
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Education in the United States |
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Asians and Pacific Islanders in the United States |
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Characteristics of the Black Population |
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Characteristics of American Indians by Tribe and Language (2 pts) |
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Detailed Occupation and Other Characteristics From the EEO File for the United States |
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Detailed Ancestry Groups for States |
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Census of Population and Housing: |
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Summary Population and Housing Characteristics |
n/a (except for Virgin Islands) |
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Population and Housing Unit Counts |
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Population and Housing Characteristics for Census Tracts and Block Numbering Areas |
n/a (except for Virgin Islands) |
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Population and Housing Characteristics for Congressional Districts of the 103rd Congress |
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Summary Social, Economic, and Housing Characteristics |
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Census of Housing: |
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General Housing Characteristics |
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Detailed Housing Characteristics |
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Metropolitan Housing Characteristics |
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Residential Finance |
Original electronic files released:
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Online access |
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Summary Tape Files |
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Public Law 94-171 data. |
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STF1A |
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STF1B |
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STF1C |
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STF 1D |
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STF 3A |
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STF 3B |
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STF 3C |
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STF 3D |
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Subject Summary Tape Files (SSTFs) |
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SSTF 1: Foreign Born Population of the United States |
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SSTF 2: Ancestry of the population in the United States |
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SSTF 3: Persons of Hispanic Origins in the United States |
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SSTF 4: Characteristics of adults with work disabilities, mobility limitations, or self-care limitations |
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SSTF 5: Characteristics of the Asian and Pacific Islander population in the United States |
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SSTF 6: Education |
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SSTF 7: Metropolitan housing characteristics |
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SSTF 8: Housing of the elderly |
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SSTF 9: Housing characteristics of new units |
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SSTF 10: Housing characteristics of mobile homes |
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SSTF 12: Employment Status, Work Experience, and Veteran Status |
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SSTF 13: Characteristics of American Indians by tribe and language |
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SSTF 14: Occupation and industry : industry by occupation alphabetical index |
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SSTF 15: Geographic mobility in the United States |
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SSTF 16: Fertility |
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SSTF 17: Poverty areas in the United States |
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SSTF 18: Housing characteristics of condominium housing |
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SSTF 19: The older population of the United States |
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SSTF 20: Journey to work in the United States |
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SSTF 21: Characteristics of the Black population of the United States |
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SSTF 22: Earnings by Occupation and Education |
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Special Tabulations |
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The Comprehensive housing affordability strategy (CHAS) database |
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Equal employment opportunity file |
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Special tabulation on aging |
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County-to-county migration flow files |
** Indicates that these files are available for download only. They cannot be used online.