| Description of the Rural-Urban Continuum Codes
prior to 2003 |
| Code |
Description |
| Metro counties: |
| 0 |
Central counties of metro areas of 1 million population or
more. |
| 1 |
Fringe counties of 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. |
| Nonmetro 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. |
