'Columbia County, FL' definitions:

Columbia -- U.S. County in Florida

From: Gazetteer 2000
Name :
Columbia -- U.S. County in Florida
Population (2000) :
56513
Housing Units (2000) :
23579
Land area (2000) :
797.047379 sq. miles (2064.343146 sq. km)
Water area (2000) :
3.994868 sq. miles (10.346659 sq. km)
Total area (2000) :
801.042247 sq. miles (2074.689805 sq. km)
Located within :
Florida (FL), FIPS 12
Location :
30.183900 N, 82.638781 W