| USA > Delaware > Wilmington > Locations > Countries > States > Counties |
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New Castle County |
The county seat of New Castle County, Delaware, is Wilmington. The county population on July 1, 1999, was 487,182, an increase of 45,236 over the 1990 census.
For information on county government, contact the National Association of Counties Web site.
Additional information is available at these pages:
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| Location | Wilmington Delaware |
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