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Map containing historical census data from 1900 - 2000 throughout the western United States at the county level. Data includes total population, population density, and percent population change by decade for each county. Population data was obtained from the US Census Bureau and joined to 1:2,000,000 scale National Atlas counties shapefile.


map background search result map search result map Human Population in the Western United States (1900 - 2000) Human Population in the Western United States (1900 - 2000)