'St. Clair County, MI' definitions:
St. Clair -- U.S. County in Michigan
From: Gazetteer 2000
Name :
St. Clair -- U.S. County in Michigan
Population (2000) :
164235
Housing Units (2000) :
67107
Land area (2000) :
724.371448 sq. miles (1876.113358 sq. km)
Water area (2000) :
112.259875 sq. miles (290.751728 sq. km)
Total area (2000) :
836.631323 sq. miles (2166.865086 sq. km)
Located within :
Michigan (MI), FIPS 26
Location :
42.916954 N, 82.597855 W