'Madison County, AL' definitions:

Madison -- U.S. County in Alabama

From: Gazetteer 2000
Name :
Madison -- U.S. County in Alabama
Population (2000) :
276700
Housing Units (2000) :
120288
Land area (2000) :
804.922458 sq. miles (2084.739506 sq. km)
Water area (2000) :
7.927644 sq. miles (20.532503 sq. km)
Total area (2000) :
812.850102 sq. miles (2105.272009 sq. km)
Located within :
Alabama (AL), FIPS 01
Location :
34.730790 N, 86.588226 W