http://www.census.gov/geo/maps-data/data/tiger-data.html TIGER/Line with Selected Demographic and Economic Data TIGER files pre-joined with demographic data http://www.census.gov/geo/maps-data/data/tiger-data.html download commute data US Census 2010 boundaries and data (ACS) linked some handy ones http://www.census.gov/geo/maps-data/data/tiger-data.html 2010 US Census http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.gov/geo/maps-data/data/tiger-data.html some handy ones Select shapefiles pre-joined with demographic data 2010 US Census Shapefile Pre-joined with Demographic Data website 2010 US census http://www.census.gov/geo/maps-data/data/tiger-data.html some handy ones U.S. Census Data http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.go...tiger-data.html Population & Housing Unit Counts — Blocks http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.gov/geo/maps-data/data/tiger-data.html website http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.gov/geo/maps-data/data/tiger-data.html TIGER/Line with Selected Demographic and Economic Data http://www.census.gov/geo/maps-data/data/tiger-data.html http://www.census.go...tiger-data.html http://www.census.gov/geo/maps-data/data/tiger-data.html 2010 US census some handy ones