'St. Clair County, AL' definitions:

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

From: Gazetteer 2000
Name :
St. Clair -- U.S. County in Alabama
Population (2000) :
64742
Housing Units (2000) :
27303
Land area (2000) :
633.752239 sq. miles (1641.410695 sq. km)
Water area (2000) :
19.858272 sq. miles (51.432687 sq. km)
Total area (2000) :
653.610511 sq. miles (1692.843382 sq. km)
Located within :
Alabama (AL), FIPS 01
Location :
33.667273 N, 86.329327 W