Where is Monroe County, Illinois?

location of Monroe county on a map — Location of Monroe County within the state of Illinois

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

With a total 1,030.91 sq. km of land and water area, Monroe County, Illinois is the 2610th largest county equivalent area in the United States. Home to 33,722 people, Monroe County has a total 13638 households earning 68482 on average per year.

Monroe County, Illinois - Quick Facts

FIPS Code	17133
Area Codes	618
Time Zone	CST
Major Cities	Waterloo (population: 16,800), Columbia (population: 12,705), Valmeyer (population: 1,618), Fults (population: 1,170), Hecker (population: 323), Renault (population: 69)
Land Area	13,020 sq miles
Water Area	385 sq miles
Household Income	$68,482
Housing Units	13,638
Median Home Value	$193,900
High School Grads	93% of population
Holders of Bachelors Degrees	26% of population
Retail Spending	$12,507 per capita
Food & Accomodation Sales	$35,946 per capita