| RUCC_2013 | description_rucc |
|---|---|
| 1 | Metro - Counties in metro areas of 1 million population or more |
| 2 | Metro - Counties in metro areas of 250,000 to 1 million population |
| 3 | Metro - Counties in metro areas of fewer than 250,000 population |
| 4 | Nonmetro - Urban population of 20,000 or more, adjacent to a metro area |
| 5 | Nonmetro - Urban population of 20,000 or more, not adjacent to a metro area |
| 6 | Nonmetro - Urban population of 2,500 to 19,999, adjacent to a metro area |
| 7 | Nonmetro - Urban population of 2,500 to 19,999, not adjacent to a metro area |
| 8 | Nonmetro - Completely rural or less than 2,500 urban population, adjacent to a metro area |
| 9 | Nonmetro - Completely rural or less than 2,500 urban population, not adjacent to a metro area |
| UIC_2013 | description_uic |
|---|---|
| 1 | Large-in a metro area with at least 1 million residents or more |
| 2 | Small-in a metro area with fewer than 1 million residents |
| 3 | Micropolitan adjacent to a large metro area |
| 4 | Noncore adjacent to a large metro area |
| 5 | Micropolitan adjacent to a small metro area |
| 6 | Noncore adjacent to a small metro with town of at least 2,500 residents |
| 7 | Noncore adjacent to a small metro and does not contain a town of at least 2,500 residents |
| 8 | Micropolitan not adjacent to a metro area |
| 9 | Noncore adjacent to micro area and contains a town of 2,500-19,999 residents |
| 10 | Noncore adjacent to micro area and does not contain a town of at least 2,500 residents |
| 11 | Noncore not adjacent to a metro/micro area and contains a town of 2,500 or more residents |
| 12 | Noncore not adjacent to a metro/micro area and does not contain a town of at least 2,500 residents |