'St. Clair County, MO' definitions:

St. Clair -- U.S. County in Missouri

From: Gazetteer 2000
Name :
St. Clair -- U.S. County in Missouri
Population (2000) :
9652
Housing Units (2000) :
5205
Land area (2000) :
676.655803 sq. miles (1752.530410 sq. km)
Water area (2000) :
25.247455 sq. miles (65.390605 sq. km)
Total area (2000) :
701.903258 sq. miles (1817.921015 sq. km)
Located within :
Missouri (MO), FIPS 29
Location :
38.051170 N, 93.779268 W