Table 1 Definition of 2003 Rural-Urban Continuum Codes (From http://www.ers.usda.gov/data/RuralUrbanContinuumCodes/).
Code | Description |
|---|---|
Metropolitan counties | |
1 | Counties in metro areas of 1 million population or more |
2 | Counties in metro areas of 250,000 to 1 million population |
3 | Counties in metro areas of fewer than 250,000 population |
Non-metropolitan counties | |
4 | Urban population of 20,000 or more, adjacent to a metro area |
5 | Urban population of 20,000 or more, not adjacent to a metro area |
6 | Urban population of 2,500 to 19,999, adjacent to a metro area |
7 | Urban population of 2,500 to 19,999, not adjacent to a metro area |
8 | Completely rural or less than 2,500 urban population, adjacent to a metro area |
9 | Completely rural or less than 2,500 urban population, not adjacent to a metro area |