Some unharmonized variables may not be available.
Variable |
Variable Label |
Type | Sample | |
|---|---|---|---|---|
| US1970A_METAREA | Metropolitan area | H | United States 1970 | |
| US1980A_METAREA | Metropolitan area | H | United States 1980 | |
| US1990A_METAREA | Metropolitan area | H | United States 1990 | |
| US2000A_METAREA | Metropolitan area | H | United States 2000 | |
| US2005A_METAREA | Metropolitan area | H | United States 2005 |