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Guide to Census Data
- Census Bureau (http://www.census.gov/)
- The U.S. Census Bureau conducts the Decennial Census of Population, the Economic Census, and a number of other periodic surveys relating to population and economic characteristics.
- American FactFinder (http://factfinder2.census.gov/)
- American FactFinder is an online source for population, housing, economic and geographic data that presents the results from four key data programs: the Decennial Census of Population - 1990 and 2000; the Economic Census 1997 and 2002; the American Community Survey 1996-present; and the Population Estimates Program July 1, 2000 - present.
Census of Population and Housing
- Census 2000 Gateway (http://www.census.gov/main/www/cen2000.html)
- Census State and County Quick Facts (http://quickfacts.census.gov/qfd/)
- Find quick profiles for state, counties and cities of population over 25,000.
- Census 2000 Datasets (http://ftp://ftp2.census.gov/census_2000/datasets/)
- Data from the 2000 Census of Population and Housing may be downloaded as fixed field ASCII files directly from this site.
- Census Data for the State of California (http://www.census.gov/census2000/states/ca.html)
- Includes profiles of California at the State, County and Place level.
- Census Questionnaire (http://www.census.gov/dmd/www/2000quest.html)
- This site provides the questionnaires for the 2000 and 1990 Census of Population and Housing. This site also includes detailed coverage of differences between the 2000 Census and 1990 Census.
- Berkeley Social Science and Government Data (http://sunsite.berkeley.edu/GovData/info/)
- UC Berkeley provides an interface for retrieving data for the 1990 Census of Population. Data from the 2000 Census of Population are available via ftp.
- Historical Decennial Census Population and Housing Counts (http://www.census.gov/population/www/censusdata/hiscendata.html)
- This Census Bureau site provides historical Census data from 1790 to the present.
- United States Historical Census Data Browser (http://fisher.lib.virginia.edu/collections/stats/histcensus/)
- This University of Viriginia site presents data describing the population and economy of U.S. states and counties from 1790 to 1960. The available data differ somewhat from decade to decade, according to what was collected in the census and the items chosen for transcription to electronic form. For the early decades, most of the enumerated items are included. For later decades, only a portion of characteristics have been transcribed. No information is available below the county level, and only states are included (no information on western territories before statehood, or for the District of Columbia).
Data from the 1990 and 2000 Census of Population and Housing are also available in paper copy and on CDROM/DVD in the Government Information Department.
Census Bureau Economic Programs
- Census Bureau Economic Programs (http://www.census.gov/econ/www/)
- The Economic Census (http://www.census.gov/econ/census02/) provides a detailed portrait of the Nation's economy once every five years, from the national to the local level. The 2002 Economic Census covers nearly all of the U.S. economy in its basic collection of establishment statistics. There also are several related programs, including statistics on minority- and women-owned businesses. Censuses of Agriculture and Governments are conducted at the same time.
Data from the 1992 and 1997 Economic Census are also available in paper copy and on CDROM/DVD in the Government Information Department.
Census of Governments
- Census of Governments (http://www.census.gov/govs/)
- Every five years the Census Bureau conducts a Census of Governments involving the collection of data for all governmental units in the United States. In addition, the Census Bureau conducts annual surveys which cover all the state governments and a sample of local governments.
Data from the Census of Governments are also available in paper copy in the Government Information Department.
Foreign Trade Statistics
- Foreign Trade Statistics (http://www.census.gov/foreign-trade/www/)
- The Census Bureau is the principal source of merchandise import and export data is the U.S.
Monthly and Historical Summary Foreign Trade data area also available on CDROM/DVD in the Government Information Department.
County Business Patterns
- County Business Patterns (http://www.census.gov/epcd/cbp/view/cbpview.html)
- County Business Patterns is an annual series that provides subnational economic data by industry. The series is useful for studying the economic activity of small areas; analyzing economic changes over time; and as a benchmark for statistical series, surveys, and databases between economic censuses. Annual business data are also available by zip code through Zip Code Business Patterns.
Data from the County Business Patterns and Zip Code Business Patterns are also available on CDROM/DVD in the Government Information Department.
Census of Agriculture
- Census of Agriculture (http://www.agcensus.usda.gov/)
- The Census of Agriculture is the most thorough source of data about the structure and activities of the United States' agricultural production. It is the only source of uniform, comprehensive data on agricultural production and operator characteristics for each county, state, and the Nation.
- The Census of Agriculture is conducted by the National Agricultural Statistics Service. Prior to 1997, the Census was conducted by the U.S. Bureau of the Census.
Data from the 1992 and 1997 Census of Agriculture are also available in paper copy and on CDROM/DVD in the Government Information Department.
- Census Bureau Geography (http://www.census.gov/geo/www/)
- This site provides access to Census Bureau geographic files. The site also provides explanatory texts covering Census geographic concepts.
- Census Cartographic Boundary Files (http://www.census.gov/geo/www/cob/)
- The boundary files available here are selected generalized extracts from the Census Bureau's TIGER (http://www.census.gov/geo/www/tiger/) geographic database and are designed for use in a Geographic Information System (GIS) or similar mapping system.
- ESRI TIGER/Line Data (http://www.esri.com/data/download/census2000-tigerline/index.html)
- GIS users can download Census 2000 TIGER/Line Data in shapefile format for an area of interest. Users can choose multiple data layers for a single county or a single data layer for multiple counties and analyze them using GIS software such as ArcGIS and ArcExplorer-Java Edition.
TIGER/Line Files from the 1990 and 2000 Census of Population are also available on CDROM/DVD in the Government Information Department.
More information on geographic data is available through our Online Cartographic Resources page.
Other Data Resources
- Population and Household Economic Topics (http://www.census.gov/population/www/)
- This site provides an overview of Census Bureau resources on population and household topics including data from the Decennial Census as well as data from the American Community Survey. This site points to a variety of reports, guides covering population data and methodology.
- Demographic Research Unit (http://www.dof.ca.gov/html/demograp/druhpar.htm)
- The Demographic Research Unit of the California Department of Finance is designated as the single official source of demographic data for State planning and budgeting.
- UC Data (http://ucdata.berkeley.edu)
- UC DATA is UC Berkeley's principal archive of computerized social science and health statistics information and is a part of the University's Survey Research Center.
- Inter-university Consortium for Political and Social Research (ICPSR) (http://www.icpsr.umich.edu/)
- The Inter-university Consortium for Political and Social Research (ICPSR) maintains and provides access to a vast archive of social science data for research and instruction. Data are available through ICSPR to UC Davis students, faculty and staff.