U.S. Census Grids

Links

Official U.S. Census Sites

• American FactFinder – Contains fact sheets, static and interactive maps, data downloads for 1990 and 2000, and extensive documentation - https://factfinder.census.gov
• Census 2000 Summary File 1 (SF1) - http://www.census.gov/census2000/sumfile1.html
• Census 2000 Summary File 3 (SF3) - http://www.census.gov/census2000/sumfile3.html
• Census 2010 Summary File 1 (SF1) - https://www.census.gov/mp/www/cat/decennial_census_2010/summary_file_1_1.html
• TIGER/Line Shapefiles and TIGER/Line Files - https://www.census.gov/geo/maps-data/data/tiger-line.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 (University at Albany, SUNY) - Metropolitan racial and ethnic change - Census 2000 - http://mumford.albany.edu/census
• Social Explorer (Queens College of the City University of New York) – Interactive maps for the entire U.S. Census, 1790 through 2010 and the American Community Survey, 2005 through 2014 - http://www.socialexplorer.com
• MABLE/Geocorr (Missouri Census Data Center) - Geographic correspondence engine with Census 2000 geography - 
  http://mcdc2.missouri.edu/websas/geocorr2k.html and Census 2010 geography - http://mcdc.missouri.edu/websas/geocorr12.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://www1.nyc.gov/site/planning/data-maps/nyc-population.page
• Greater New Orleans Community Data Center – Information on New Orleans neighborhoods and the impact of Hurricane Katrina - http://www.datacenterresearch.org/

Global Data

• Gridded Population of the World (GPW), version 4 – Global 30 arc-second gridded population data, based on 12,500,000 subnational census units - http://sedac.ciesin.columbia.edu/data/collection/gpw-v4
• 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 - http://sedac.ciesin.columbia.edu/data/collection/grump-v1
• 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