'Hancock County, IA' definitions:

Hancock -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Hancock -- U.S. County in Iowa
Population (2000) :
12100
Housing Units (2000) :
5164
Land area (2000) :
571.110045 sq. miles (1479.168162 sq. km)
Water area (2000) :
2.034402 sq. miles (5.269077 sq. km)
Total area (2000) :
573.144447 sq. miles (1484.437239 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
43.085526 N, 93.722060 W