Property tax in Franklin County, Illinois
In Franklin County, the property tax bill comes from the Franklin County Treasurer's Office. The 2025 Pay 2026 bill is paid in 2 installments, and the next one is due November 13, 2026. You can look up and pay the bill on the county's own payment page. Taken from Franklin County's own pages, checked September 23, 2026.
The median property tax bill in Franklin County, Illinois is $1,394 a year, which is about 1.57% of the county's median home value of $89,000. That effective rate is lower than the typical Illinois county (1.81%) and higher than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Who sends the property tax bill in Franklin County, and how do you pay it?
The bill comes from the Franklin County Treasurer's Office. The value it is based on is set by a separate office, the Franklin County Supervisor of Assessments (Chief County Assessment Officer), with the township assessors, which is who to ask if the value looks wrong. For how to look up and pay the bill, go to the county's own payment information.
Township assessors value homes, and an owner can question a value with the township assessor before going to the Board of Review. A decision of the Board of Review can be appealed to the Illinois Property Tax Appeal Board. One county bill carries the taxes of every local district the property sits in, including schools, townships, cities, libraries and fire districts. Mobile homes get a separate bill with its own due date (October 16, 2026 this year), and banks cannot take mobile home payments. Most local banks accept real estate tax payments, and there is a 24-hour drop box on the south side of the Campbell Building in Benton.
When are property taxes due in Franklin County?
For the 2025 Pay 2026 bill, Franklin County splits the bill into 2 payments, the first due October 13, 2026 and the last November 13, 2026. The next one due is the second installment, on November 13, 2026. Each installment not paid by its due date is charged a late penalty of 1.5% a month, or part of a month, starting the day after the due date, as Illinois law requires. Taxes that stay unpaid are offered at the county's annual tax sale, where a buyer who pays them can then charge the owner a penalty on top of the tax, and can eventually ask a court for a deed to the property if the owner does not pay the buyer back in time.
| Payment | Due | Note |
|---|---|---|
| First installment | October 13, 2026 (passed) | Bills were mailed and posted online September 11, 2026. |
| Second installment | November 13, 2026 |
From Franklin County's published schedule, checked September 23, 2026. If a date falls on a weekend or holiday, the county's own rules on the next business day apply.
Estimate the property tax on a home in Franklin County
Enter a home's market value for a ballpark at Franklin County's average effective rate of 1.57% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $1,397 / year
Property tax in Franklin County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $1,394 |
| Median home value | $89,000 |
| Effective tax rate | 1.57% |
| Typical Illinois county rate | 1.81% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Franklin County compare in Illinois?
Among Illinois's 102 counties, Franklin County has the 75th highest effective property-tax rate: 74 rank higher and 27 rank lower. That is on the lower side for Illinois. Nationally, it ranks 281st of 3135 US counties by effective rate. See every Illinois county ranked.
How much do homeowners in Franklin County actually pay?
The median is only the middle bill. Across Franklin County's 11,962 owner-occupied homes, 17.3% pay $3,000 or more a year in property tax, 30.6% pay at least $2,000, and 26.8% pay under $800. Another 9.2% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 3,206 | 26.8% |
| $800 to $1,499 | 2,625 | 21.9% |
| $1,500 to $1,999 | 1,370 | 11.5% |
| $2,000 to $2,999 | 1,594 | 13.3% |
| $3,000 or more | 2,066 | 17.3% |
| No property tax paid | 1,101 | 9.2% |
Owners with a mortgage pay a median of $1,716 and owners without one pay $1,166. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.
How does the Franklin County property tax bill compare with local incomes?
The median property tax bill of $1,394 is about 2.1% of the median income of Franklin County homeowner households, $65,329 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 74.1% of Franklin County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Franklin County?
Yes. The median bill went from $1,242 in 2015-2019 to $1,394 in 2020-2024, a 12.2% rise. Over the same span the median home value moved 17%, from $76,100 to $89,000.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Franklin County
Franklin County borders 6 counties.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Jackson County, IL | 1.84% | $2,526 | $137,300 |
| Williamson County, IL | 1.72% | $2,690 | $156,400 |
| Jefferson County, IL | 1.7% | $2,148 | $126,000 |
| Saline County, IL | 1.69% | $1,597 | $94,300 |
| Perry County, IL | 1.6% | $1,807 | $112,600 |
| Franklin County, IL (this county) | 1.57% | $1,394 | $89,000 |
| Hamilton County, IL | 1.33% | $1,512 | $113,700 |
How is a home assessed in Franklin County?
Illinois assesses homes at 33.33% of market value in every county, Franklin County included. How Illinois assesses and reappraises homes.
Is there a homestead exemption in Franklin County?
Yes. Illinois's General Homestead Exemption is $6,000 of equalized assessed value in most counties, $8,000 in counties next to Cook, and $10,000 in Cook County. That is the Illinois rule, and it applies in Franklin County. Illinois's exemptions and relief programs in full.
Franklin County does not add relief programs of its own beyond the Illinois ones (checked September 23, 2026).
How to appeal your Franklin County property assessment
In Franklin County you appeal to the Franklin County Board of Review. The deadline: A written complaint on the Board of Review's form must be filed within 30 calendar days after the county publishes the assessment list for the year. The Supervisor of Assessments can give the exact date. How to file. Checked September 23, 2026 against the official appeal rules.
How Illinois's appeal process works, including the next level if the first one turns you down.
Illinois rules from primary state sources, reviewed September 7, 2026; sources on the Illinois page.
Work out your own numbers
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How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Franklin County's tax rate to hand.
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Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
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Illinois income tax
Brackets, standard deduction and what Illinois actually taxes.
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Sales tax in Franklin County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Franklin County, Illinois: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.