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 Headwords: Menard Menard, IL Menard County Menard County, IL