'Sumter County, FL' definitions:

Sumter -- U.S. County in Florida

From: Gazetteer 2000
Name :
Sumter -- U.S. County in Florida
Population (2000) :
53345
Housing Units (2000) :
25195
Land area (2000) :
545.729227 sq. miles (1413.432149 sq. km)
Water area (2000) :
34.584285 sq. miles (89.572882 sq. km)
Total area (2000) :
580.313512 sq. miles (1503.005031 sq. km)
Located within :
Florida (FL), FIPS 12
Location :
28.770086 N, 82.075542 W