'Madison County, MT' definitions:

Madison -- U.S. County in Montana

From: Gazetteer 2000
Name :
Madison -- U.S. County in Montana
Population (2000) :
6851
Housing Units (2000) :
4671
Land area (2000) :
3586.539776 sq. miles (9289.094981 sq. km)
Water area (2000) :
16.307155 sq. miles (42.235337 sq. km)
Total area (2000) :
3602.846931 sq. miles (9331.330318 sq. km)
Located within :
Montana (MT), FIPS 30
Location :
45.435828 N, 111.932243 W