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Counts of metropolitan areas by census region and type
| LDW | MDW | MDL | MDB | |
|---|---|---|---|---|
| 1990 | ||||
| West | 3 | 9 | ||
| Midwest | 9 | 2 | ||
| South | 5 | 16 | 1 | |
| Northeast | 6 | 2 | ||
| 2000 | ||||
| West | 2 | 8 | 2 | |
| Midwest | 5 | 6 | ||
| South | 1 | 20 | 1 | |
| Northeast | 5 | 3 | ||
| 2010 | ||||
| West | 10 | 2 | ||
| Midwest | 1 | 10 | ||
| South | 20 | 1 | 1 | |
| Northeast | 1 | 7 | ||
Note: LDW = white, low diversity; MDW = white, moderate diversity; MDL = Latino, moderate diversity; MDB = black, moderate diversity.
