Table 5 Categories for metro and non-metro counties
Code | Description |
|---|---|
Metro 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 25,000 population |
Non-metro 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, 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 |