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Federal
Rural-Urban Commuting Area Codes
Department of Agriculture —
The rural-urban commuting area codes (RUCA) classify U.S. census tracts using measures of urbanization, population density, and daily commuting from the decennial... -
Federal
Frontier and Remote Area Codes
Department of Agriculture —
Frontier and Remote Area (FAR) codes provide a statistically-based, nationally-consistent, and adjustable definition of territory in the U.S. characterized by low...