|
Code
|
Description* |
|
0
|
Central counties of metropolitan areas of 1 million population or more |
|
1
|
Fringe counties of metropolitan areas of 1 million population or more |
|
2
|
Counties in metropolitan areas of 250,000 - 1,000,000 population |
|
3
|
Counties in metropolitan areas of less than 250,000 population |
|
4
|
Urban population of 20,000 or more, adjacent to a metropolitan area |
|
5
|
Urban population of 20,000 or more, not adjacent to a metropolitan area |
|
6
|
Urban population of 2,500-19,999, adjacent to a metropolitan area |
|
7
|
Urban population of 2,500-19,999, not adjacent to a metropolitan area |
|
8
|
Completely rural (no places with a population of 2,500 or more), adjacent to a metropolitan area |
|
9
|
Completely rural (no places with a population of 2,500 or more) not adjacent to a metropolitan area |
| *Metropolitan areas refers to metropolitan statistical areas (MSAs) |
| Source: Calvin L. Beale, Senior Demographer, U.S. Department of Agriculture |
|
Code
|
Description |
|
1
|
Farming-dependent - Farming contributed a weighted annual average of 20 percent or more labor and proprietor income over the three years from 1987 to 1989. |
|
2
|
Mining-dependent - Mining contributed a weighted annual average of 15 percent or more labor and proprietor income over the three years from 1987 to 1989. |
|
3
|
Manufacturing-dependent - Manufacturing contributed a weighted annual average of 30 percent or more labor and proprietor income over the three years from 1987 to 1989. |
|
4
|
Government-dependent - Government activities contributed a weighted annual average of 25 percent or more labor and proprietor income over the three years from 1987 to 1989. |
|
5
|
Services-dependent - Service activities contributed a weighted annual average of 50 percent or more labor and proprietor income over the three years from 1987 to 1989. |
|
6
|
Non-specialized - Counties not classified as a specialized economic type over the three years from 1987 to 1989. |
|
8
|
Counties within metropolitan statistical areas (MSAs). |
|
9
|
Not be classified as an economic type because of data suppression. |
| Source: Peggy J. Cook and Karen L. Mizer, The Revised ERS County Typology, Rural Development Research Report 89, Economic Research Service, U.S. Department of Agriculture, December 1994 |
|
Code
|
Description |
|
0
|
Not classified. |
|
7
|
Retirement destination - The population aged 60 years
and over in 1990 increased by 15 percent or more from 1980-90 through
immigration of people. |
|
8
|
Federal lands - Federally-owned lands made up 30 percent or more of a county's land area. |
|
9
|
Persistent poverty - Persons with poverty-level income in the preceding year were 20 percent or more of total population in each of four years, 1500, 1970, 1980, and 1990. |
|
10
|
Commuting - Workers aged 16 years and over commuting to jobs outside their county of residence were 40 percent or more of all the county's workers in 1990. |
|
11
|
Transfers-dependent - Income from transfer payments (Federal, state, and local) contributed a weighted annual average of 25 percent or more of total personal income over the three years from 1987 to 1989. |
| Source: Peggy J. Cook and Karen L. Mizer, The Revised ERS County Typology, Rural Development Research Report 89, Economic Research Service, U.S. Department of Agriculture, December 1994 |