Monmouth, IL Real Estate and Homes for Sale

Monmouth, Illinois is located in Warren County. Monmouth is a suburban community with a population of 9,375. The median household income is $40,131. In Monmouth, 43% of residents are married, and families with children reside in 32% of the households. Half the population of Monmouth commutes 9 minutes or less to work, with 57% of residents holding white collar jobs and 43% residents holding blue collar jobs. The median age of homes in Monmouth, IL is 54 years, with 64% of those homes owned, 29% rented, and 7% not occupied.

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