'Menard County, IL' definitions:

Menard -- U.S. County in Illinois

From: Gazetteer 2000
Name :
Menard -- U.S. County in Illinois
Population (2000) :
12486
Housing Units (2000) :
5285
Land area (2000) :
314.247310 sq. miles (813.896761 sq. km)
Water area (2000) :
1.125962 sq. miles (2.916227 sq. km)
Total area (2000) :
315.373272 sq. miles (816.812988 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
40.032792 N, 89.811751 W