WELCOME TO MONROE COUNTY, ILLINOIS
Monroe County Officials will be hosting an Open House/Informational Meeting on Wednesday, October 7, 2026 at the Monroe County YMCA to discuss the proposed restricted crossing U-Turn (RCut) intersection improvement at Illinois Route 3/EE Road/Granny Lane.
The public meeting will be from 4 p.m. to 7 p.m., with an open house format.
Representatives from Monroe County Highway and the Design Consultant will be on hand to answer questions and explain the project and its impact to the traveling public.
Press Release: Oak Hill Medicare Billing Investigation Update
Click here for Press Release
Southwest Connector: Planning and Environmental Linkages Study
Monroe/Randolph County Enterprise Zone 2024
The new 2024 information is accessible by clicking this link.
Welcome to Monroe County, Illinois
The lush rolling hills and fertile farmland in Monroe County make it a wonderful location to raise a family. With a population of just under 34,000, it boasts numerous picturesque communities including the larger towns of Columbia, Waterloo (county seat), Valmeyer, Hecker, as well as other smaller quaint villages such as Maeystown and Fults.
Founded in 1816 and named for James Monroe, Monroe County is located in Southwest Illinois and is bordered on the west by the Mississippi river. Geographically the county is located just 11 miles to the south east of St. Louis Missouri.
Featured Upcoming Events Shown Below
To view full calendar events visit our Events page.
County Board Meeting
September 21 @ 8:15 am - 10:30 amComprehensive Plan Meeting
September 23 @ 6:00 pmFountain Water District
September 24 @ 8:00 pmBudget Hearings
September 29 @ 8:15 am - 11:30 amBudget Hearings
September 30 @ 8:15 am - 11:30 am