'Mercer County, KY' definitions:

Mercer -- U.S. County in Kentucky

From: Gazetteer 2000
Name :
Mercer -- U.S. County in Kentucky
Population (2000) :
20817
Housing Units (2000) :
9289
Land area (2000) :
250.915844 sq. miles (649.869025 sq. km)
Water area (2000) :
2.196707 sq. miles (5.689445 sq. km)
Total area (2000) :
253.112551 sq. miles (655.558470 sq. km)
Located within :
Kentucky (KY), FIPS 21
Location :
37.782987 N, 84.848614 W