Monroe County, IL Property Tax

The Monroe County property tax rate is 1.64% of assessed fair market value, making Monroe County one of the higher property tax rates in Illinois and the US.
Written by Elizabeth Sandberg
Reviewed by Melanie Reiff
With an average property tax rate of 1.64% and a median home value of $197,400, Monroe County residents pay an average of $3,236 a year in property taxes
Owning a home is a goal for many, but adding in the cost of yearly property taxes can be an added financial burden. Changing property values, combined with different tax rules from one county to the next, can make it difficult to understand our property tax obligations.   
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Property tax fundamentals

If you’re just learning about property taxes, here are the basics: 
  • Property taxes provide funding for your local government and public community programs, such as education, fire and public safety, law enforcement, and public health
  • Property taxes are generally assessed on real property, meaning land, buildings, and houses
  • The
    county tax assessor
    determines property tax amounts using current market values and adding in local taxes
  • The county tax treasurer creates, collects, and distributes property tax payments
  • Property taxes are raised or lowered based on market conditions and local government budget needs
Your property taxes fund the necessary services your local government provides to residents of your community.

What is the property tax rate in Monroe County?

Monroe County’s average tax rate is 1.64% of assessed home value—which is on the high side for
and for the country. Based on a median home value of $197,400, Monroe County homeowners can expect to pay an average of $3,236 a year in property taxes. 

How Monroe County property taxes are determined

Your property taxes are determined by the
Monroe County Assessor's Office
Counties in Illinois determine their own tax rates. Generally speaking, your tax bill is based on two factors—the equalized assessed value (EAV) of your property, and the county’s budget for the current year.  Most property in Illinois is assessed at 33.33 % of the fair market value. Monroe County performs property assessments in four-year cycles. 
If you believe your property’s value has been calculated incorrectly, you can
appeal the assessment
with the Monroe County assessor's office.
Some homeowners may qualify for a
homestead exemption or other savings programs
under Illinois law.  

What do Monroe County property taxes pay for? 

Monroe County property tax revenues fund a variety of county and city services, such as: 
  • Education
  • Human services such as health and welfare
  • Public safety
  • Water management
  • Transportation and roads
  • Law enforcement and first responders
  • Animal control
  • Waste and recycling

How to pay property taxes in Monroe County 

Monroe County property taxes are printed and mailed around August of each year.Tax payments are due in installments, with the first payment due September 24th and the second payment due November 5th
Monroe County accepts payments online, in person, by phone, by mail, by drop box, and through participating banks
  • Online: Monroe County provides a
    convenient online payment portal
    . Convenience fees apply. Credit and debit cards are charged 2.25% with a $2 minimum. E-checks are charged $1 per transaction.
  • In person: In-person payments may be made at the
    Monroe County Treasurer’s Office
    Monday through Friday from 8:00 am to 4:30 pm. Cash, money orders, and personal and cashier’s checks are accepted. The Treasurer’s Office is located across from the Information Desk on the main floor of the Monroe County Courthouse.
  • Drop box: A drop box is located on the Market Street side of the Monroe County Courthouse. Look for the landscaped island facing the east side of the Courthouse. The drop box is checked by an employee of the Treasurer’s Office every morning for payments. If you use the drop box, please enclose your payment in an envelope marked “Treasurer’s Office” and include your payment stub with your check or money order. If you do not have your payment stub, please include the address of the property or the parcel number of the property for which you are paying taxes.
  • By phone: The Collector’s Office will take credit, debit, and e-Check payments over the phone. Call Auto Agent at 833-939-0897. Convenience fees apply.
  • Bank payments: Many banks in Monroe County accept tax payments on or before the specified installment’s due date. Following is a list of participating banks: Associated Bank, Dieterich Bank, Central Bank, First National Bank of Waterloo, Midlands State Bank, State Bank of Waterloo, FCB Bank
  • By mail: Make checks payable to Monroe County Treasurer/Collector and mail to 
Monroe County Treasurer/Collector
100 S. Main Street
Waterloo, IL 62298

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Monroe County property taxes are paid in two installments, with the first payment due September 24th and the second payment due November 5th.
Your property tax statement will be mailed to you in August each year. Be aware that—even if for some reason you do not receive your tax bill in the mail—you are still responsible for paying your property taxes on time.
Property taxes in Monroe County average about $3,236 a year and are some of the highest in Illinois and the country.
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