Official U.S. Census Sites
- American FactFinder – Contains fact sheets, static and interactive maps, data downloads for 1990 and 2000, and extensive documentation.
http://factfinder.census.gov - Census 2000 Summary File 1 (SF1)
http://www.census.gov/Press-Release/www/2001/sumfile1.html - Census 2000 Summary File 3 (SF3)
http://www.census.gov/Press-Release/www/releases/archives/census_2000/000548.html - Census 2000 TIGER/Line Files
http://www.census.gov/geo/www/tiger/tigerua/ua_tgr2k.html
Historical Data
- National Historical Geographic Information System ( Minnesota Population Center, University of Minnesota) – Project to create and disseminate
census information back to 1790.
http://www.nhgis.org
Census Maps and Analysis
- CensusScope (Social Science Data Analysis Network at the Population Studies Center, University of Michigan) - Contains web tools for investigating
U.S. demographic trends.
http://www.censusscope.org - Lewis Mumford Center for Comparative Urban and Regional Research (The University of Albany, SUNY) - Information and analyses of how the racial and ethnic composition of metropolitan areas has shifted in the last ten years.
http://mumford.albany.edu/census - Social Explorer (Queens College of the City University of New York) – Interactive maps for 1990 and 2000.
http://www.socialexplorer.com - MABLE/Geocorr2K (Missouri Census Data Center) - Geographic correspondence engine with Census 2000 geography.
http://mcdc2.missouri.edu/websas/geocorr2k.html
Regional and Local
There are many regional and local projects highlighting census data in certain areas. These are some that we have found useful in our research.
- New York City Department of City Planning, Population Division – Maps and analyses of New York City’s population, as well as interactive
neighborhood maps.
http://www.nyc.gov/html/dcp/html/census/census.shtml
http://gis.nyc.gov/dcp/pa/address.jsp - Greater New Orleans Community Data Center – Information on New Orleans neighborhoods and the impact of Hurricane Katrina.
http://www.gnocdc.org
Commercial Sites
There are a number of commercial firms that provide added-value census products, including pre-processed data, normalized data, population estimates, and geocoding services. This listing does not constitute an endorsement of these companies.
- Demographic Data Center
http://usa-demographics.com - GeoLytics
http://www.geolytics.com
Global Data
- Gridded Population of the World, version 3 – Global 2.5 arc-minute gridded population data, based on 400,000 subnational census units.
http://sedac.ciesin.columbia.edu/gpw - Global Rural-Urban Mapping Project (GRUMP) - Global 30 arc-second gridded population data with urban reallocation. GRUMP is comprised of 400,000 census units and urban footprints based largely on nighttime lights.
http://sedac.ciesin.columbia.edu/gpw - LandScan – Global 30 arc-second gridded ambient population data, based on sub-national census data apportioned to each grid cell based on proximity
to roads, slope, land cover, and other information.
http://www.ornl.gov/sci/landscan
