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Ethnic population county-by-county in USA


Here is a link to a map that purportedly shows the major ethnic group county by county in the USA.  Keep in mind that each county is identified by a plurality of people from the 2000 census so this is self-reported data.  Also the map tells us nothing about how homogeneous or heterogeneous the population is in any given county.  Still, it is a very interesting map.

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