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Welcome!

Americans live in many kinds of communities, from diverse urban neighborhoods to small towns and rural areas. The complex patterns of segregation and diversity in these communities shape the lives of the people who call them home.

This website is designed to help you explore patterns of racial composition in major US metropolitan areas and individual states. To select a metro area or state, choose its name from one of the drop-down menus below:

Maps of sixteen cities, classified by race and diversity. Overlays show tracts with high concentrations of mixed-race households: Maps of the 53 largest US metro areas, with populations over 1 million, classified by race and diversity: Maps of all 50 US states and the District of Columbia, classified by race and diversity:
Transition matrices for the 53 largest US metro areas, with populations over 1 million, showing changes in race and diversity between census years: Transition matrices for the 50 US states and the District of Columbia, showing changes in race and diversity between census years:
Period for transition matrix:
1990-2000
2000-2010
1990-2010
Period for transition matrix:
1990-2000
2000-2010
1990-2010
Download GIS data for 53 largest US metro areas, in zipped shapefile format: Download GIS data for the 50 US states and the District of Columbia, in zipped shapefile format:
Download tract table data for 53 largest US metro areas, in zipped CSV text format: Download tract table data for the 50 US states and the District of Columbia, in zipped CSV text format:

If you have questions, comments, or suggestions, please share them with us via the Comments page.


University of Washington
Department of Geography

Dartmouth College
Department of Geography

University of Georgia
Department of Geography

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