Code | Description | Metropolitan Type |
---|---|---|
1 | Counties in metro areas of 1 million population or more | Metropolitan |
2 | Counties in metro areas of 250,000 to 1 million | Metropolitan |
3 | Counties in metro areas of fewer than 250,000 | Metropolitan |
4 | Urban population of 20,000 or more, adjacent to a metropolitan area | Non-metro |
5 | Urban population of 20,000 or more, not adjacent to a metropolitan area | Non-metro |
6 | Urban population of 2,500 to 19,999, adjacent to a metropolitan area | Non-metro |
7 | Urban population of 2,500 to 19,999, not adjacent to a metropolitan area | Non-metro |
8 | Completely rural or less than 2,500 urban population, adjacent to a metropolitan area | Non-metro |
9 | Completely rural or less than 2,500 urban population, not adjacent to a metropolitan area | Non-metro |