'Hamilton County, IN' definitions:

Hamilton -- U.S. County in Indiana

From: Gazetteer 2000
Name :
Hamilton -- U.S. County in Indiana
Population (2000) :
182740
Housing Units (2000) :
69478
Land area (2000) :
397.939853 sq. miles (1030.659443 sq. km)
Water area (2000) :
4.787720 sq. miles (12.400138 sq. km)
Total area (2000) :
402.727573 sq. miles (1043.059581 sq. km)
Located within :
Indiana (IN), FIPS 18
Location :
40.031229 N, 86.065824 W