Rural-Urban Continuum Codes (RUCC)

Rurality
Description: The rural-urban continuum codes (RUCC) classify US counties by their degree of urbanization and adjacency to a metro area.
Time Frame: Year; 1974, 1983, 1993, 2003, 2013, and 2023
Spatial Scale: County
Format: CSV and Excel
Source: US Department of Agriculture (USDA) Economic Research Service
Original Repository: All Years
Living Atlas: N/A

The designation of counties as metro or nonmetro is based on the Office of Management and Budget. These metro and nonmetro designations are further subdivided in is further subdivided into three metro and six nonmetro categories.