'District of Columbia, DC' definitions:

District of Columbia -- U.S. County in District of Columbia

From: Gazetteer 2000
Name :
District of Columbia -- U.S. County in District of Columbia
Population (2000) :
572059
Housing Units (2000) :
274845
Land area (2000) :
61.403254 sq. miles (159.033692 sq. km)
Water area (2000) :
6.937868 sq. miles (17.968995 sq. km)
Total area (2000) :
68.341122 sq. miles (177.002687 sq. km)
Located within :
District of Columbia (DC), FIPS 11
Location :
38.913611 N, 77.013222 W