Official U.S. Census Sites
- American FactFinder – Contains fact sheets, static and interactive maps, data downloads for 1990 and 2000, and extensive documentation.
- Census 2000 Summary File 1 (SF1)
- Census 2000 Summary File 3 (SF3)
- Census 2000 TIGER/Line Files
- National Historical Geographic Information System (Minnesota Population Center, University of Minnesota) – Project to create and disseminate census information back to 1790.
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.
- Lewis Mumford Center for Comparative Urban and Regional Research (University at Albany, SUNY) - Information and analyses of how the racial and ethnic composition of metropolitan areas has shifted in the last ten years.
- Social Explorer (Queens College of the City University of New York) – Interactive maps for 1990 and 2000.
- MABLE/Geocorr2K (Missouri Census Data Center) - Geographic correspondence engine with Census 2000 geography.
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.
- NYC Census Fact Finder
- Greater New Orleans Community Data Center – Information on New Orleans neighborhoods and the impact of Hurricane Katrina.
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.
- Gridded Population of the World (GPW), version 4 – Global 30 arc-second gridded population data, based on 12,500,000 subnational census units.
- Global Rural-Urban Mapping Project (GRUMP), version 1 - 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.
- 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.