In 2023, Monroe County, IL had a population of 35k people with a median age of 42.5 and a median household income of $101,635. Between 2022 and 2023 the population of Monroe County, IL grew from 34,905 to 34,969, a 0.183% increase and its median household income grew from $100,685 to $101,635, a 0.944% increase.
The 5 largest ethnic groups in Monroe County, IL are White (Non-Hispanic) (95.3%), Two+ (Non-Hispanic) (1.45%), White (Hispanic) (0.864%), Black or African American (Non-Hispanic) (0.595%), and Other (Hispanic) (0.483%).
None of the households in Monroe County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.8% of the residents in Monroe County, IL are U.S. citizens.
In 2023, the median property value in Monroe County, IL was $265,600, and the homeownership rate was 83.8%.
Most people in Monroe County, IL drove alone to work, and the average commute time was 28.3 minutes. The average car ownership in Monroe County, IL was 2 cars per household.
Monroe County, IL borders Randolph County, IL, St. Clair County, IL, Jefferson County, MO, Ste. Genevieve County, MO, and St. Louis County, MO.