'Clinton County, IA' definitions:

Clinton -- U.S. County in Iowa

From: Gazetteer 2000
Name :
Clinton -- U.S. County in Iowa
Population (2000) :
50149
Housing Units (2000) :
21585
Land area (2000) :
694.980313 sq. miles (1799.990672 sq. km)
Water area (2000) :
15.211188 sq. miles (39.396795 sq. km)
Total area (2000) :
710.191501 sq. miles (1839.387467 sq. km)
Located within :
Iowa (IA), FIPS 19
Location :
41.871169 N, 90.427404 W