'Keokuk County, IA' definitions:

Keokuk -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Keokuk -- U.S. County in Iowa
Population (2000) :
11400
Housing Units (2000) :
5013
Land area (2000) :
579.187655 sq. miles (1500.089075 sq. km)
Water area (2000) :
0.749731 sq. miles (1.941795 sq. km)
Total area (2000) :
579.937386 sq. miles (1502.030870 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
41.324551 N, 92.175063 W