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Where is Marion County, Illinois?

location of Marion county on a map

Marion County is a county equivalent area found in Illinois, USA. The county government of Marion is found in the county seat of Salem.

With a total 1,491.93 sq. km of land and water area, Marion County, Illinois is the 1860th largest county equivalent area in the United States. Home to 38,571 people, Marion County has a total 18076 households earning 41010 on average per year.

Marion County, Illinois - Quick Facts

FIPS Code 17121
Area Codes 618
Time Zone CST
Major Cities Centralia (population: 22,239), Salem (population: 11,228), Sandoval (population: 2,299), Iuka (population: 2,174), Odin (population: 2,051), Kinmundy (population: 1,751), Patoka (population: 1,152), Kell (population: 1,019), Walnut Hill (population: 967), Alma (population: 947)
Land Area 14,892 sq miles
Water Area 572 sq miles
Household Income $41,010
Housing Units 18,076
Median Home Value $70,300
High School Grads 87% of population
Holders of Bachelors Degrees 14% of population
Retail Spending $8,734 per capita
Food & Accomodation Sales $36,765 per capita

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This page was last updated on June 30, 2016.