'Madison County, OH' definitions:
Madison -- U.S. County in Ohio
From: Gazetteer 2000
Name :
Madison -- U.S. County in Ohio
Population (2000) :
40213
Housing Units (2000) :
14399
Land area (2000) :
465.438065 sq. miles (1205.479004 sq. km)
Water area (2000) :
0.738980 sq. miles (1.913949 sq. km)
Total area (2000) :
466.177045 sq. miles (1207.392953 sq. km)
Located within :
Ohio (OH), FIPS 39
Location :
39.901000 N, 83.377315 W