'Marshall County, IL' definitions:

Marshall -- U.S. County in Illinois

From: Gazetteer 2000
Name :
Marshall -- U.S. County in Illinois
Population (2000) :
13180
Housing Units (2000) :
5914
Land area (2000) :
386.062142 sq. miles (999.896316 sq. km)
Water area (2000) :
12.453065 sq. miles (32.253288 sq. km)
Total area (2000) :
398.515207 sq. miles (1032.149604 sq. km)
Located within :
Illinois (IL), FIPS 17
Location :
41.048508 N, 89.295467 W