Property tax in Tazewell County, Illinois
In Tazewell County, the property tax bill comes from the Tazewell County Treasurer (ex officio County Collector). Every due date for the 2025 Taxes bill has passed, and the county had not posted the next cycle's dates when we checked. You can look up and pay the bill on the county's own payment page. Taken from Tazewell County's own pages, checked September 23, 2026.
The median property tax bill in Tazewell County, Illinois is $3,536 a year, which is about 2.11% of the county's median home value of $167,500. That effective rate is higher 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 Tazewell County, and how do you pay it?
The bill comes from the Tazewell County Treasurer (ex officio County Collector). The value it is based on is set by a separate office, the Tazewell County Supervisor of Assessments, with the 19 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.
One county bill carries the taxes of every local district the property sits in; the Treasurer collects for 164 taxing bodies. Township assessors set home values and the Supervisor of Assessments reviews them. A Board of Review decision can be appealed to the Illinois Property Tax Appeal Board within 30 days of the Board's notice, or taken to circuit court as a tax objection. Online and phone payments go through a payment vendor linked from the Treasurer's page and cost 2.25% (at least $1.95) by card or $1.25 by e-check; none of the fee goes to the county. Each winter the Treasurer takes prepayments toward the coming year's bill, up to the prior year's total, with an application; for 2025 taxes the window ran December 1, 2025 through April 1, 2026, and prepaid owners still get a bill for any balance. Mobile home tax bills are mailed at the end of January and are due within 60 days.
When are property taxes due in Tazewell County?
Every due date for the 2025 Taxes (Payable in 2026) bill has passed, and Tazewell County had not posted the next cycle's dates when we checked on September 23, 2026. If that bill is still unpaid, the late-payment rules below apply to it. Counties usually repeat the schedule, but confirm the new dates on your next bill. For the 2025 Taxes (Payable in 2026) bill, Tazewell County splits the bill into 2 payments, the first due June 1, 2026 and the last September 1, 2026. Interest of 1.5% a month is added to an installment not paid by its due date, and Illinois law counts any part of a month as a full month. Not receiving a bill does not excuse the interest. Taxes still unpaid are offered at the county's tax sale, held Monday, October 19, 2026, where registered tax buyers pay them and add their own interest and penalties.
| Payment | Due | Note |
|---|---|---|
| First installment | June 1, 2026 (passed) | Illinois taxes are billed a year behind: the bills paid in 2026 are for the 2025 tax year. June 1, 2026 was a Monday. The county says payments must be received by the due date, but Illinois law treats a mailed payment postmarked on or before the due date as on time. |
| Second installment | September 1, 2026 (passed) | September 1, 2026 was a Tuesday. |
From Tazewell 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 Tazewell County
Enter a home's market value for a ballpark at Tazewell County's average effective rate of 2.11% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $3,534 / year
Property tax in Tazewell County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $3,536 |
| Median home value | $167,500 |
| Effective tax rate | 2.11% |
| 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 Tazewell County compare in Illinois?
Among Illinois's 102 counties, Tazewell County has the 20th highest effective property-tax rate: 19 rank higher and 82 rank lower. That is on the higher side for Illinois. Nationally, it ranks 62nd of 3135 US counties by effective rate. See every Illinois county ranked.
How much do homeowners in Tazewell County actually pay?
The median is only the middle bill. Across Tazewell County's 42,349 owner-occupied homes, 58.2% pay $3,000 or more a year in property tax, 77.2% pay at least $2,000, and 4.6% pay under $800. Another 1.7% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 1,949 | 4.6% |
| $800 to $1,499 | 3,382 | 8% |
| $1,500 to $1,999 | 3,571 | 8.4% |
| $2,000 to $2,999 | 8,063 | 19% |
| $3,000 or more | 24,649 | 58.2% |
| No property tax paid | 735 | 1.7% |
Owners with a mortgage pay a median of $3,657 and owners without one pay $3,327. That is within 10% either way, so in Tazewell County paying off the house does not go with a noticeably different bill. Census table B25103.
How does the Tazewell County property tax bill compare with local incomes?
The median property tax bill of $3,536 is about 3.9% of the median income of Tazewell County homeowner households, $90,876 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 78.4% of Tazewell 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 Tazewell County?
Yes. The median bill went from $3,066 in 2015-2019 to $3,536 in 2020-2024, a 15.3% rise. Over the same span the median home value moved 18%, from $142,000 to $167,500.
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 Tazewell County
Tazewell County borders 6 counties.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Peoria County, IL | 2.24% | $3,552 | $158,500 |
| McLean County, IL | 2.17% | $4,524 | $208,400 |
| Fulton County, IL | 2.14% | $2,289 | $107,200 |
| Woodford County, IL | 2.13% | $4,215 | $197,600 |
| Tazewell County, IL (this county) | 2.11% | $3,536 | $167,500 |
| Mason County, IL | 2.09% | $2,162 | $103,400 |
| Logan County, IL | 1.77% | $2,385 | $134,400 |
How is a home assessed in Tazewell County?
Illinois assesses homes at 33.33% of market value in every county, Tazewell County included. How Illinois assesses and reappraises homes.
Is there a homestead exemption in Tazewell 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 Tazewell County. Illinois's exemptions and relief programs in full.
Tazewell County does not add relief programs of its own beyond the Illinois ones (checked September 23, 2026).
How to appeal your Tazewell County property assessment
In Tazewell County you appeal to the Tazewell County Board of Review. The deadline: A written complaint must be filed with the Board of Review within 30 calendar days after the assessment list for your township is published. For 2026 assessments (the bills paid in 2027), every township's list was published August 12, 2026, so the deadline was September 11, 2026. A complaint sent by U.S. mail counts as filed on its postmark date if it is mailed to the Board's office in Pekin. Evidence must be turned in on paper with the complaint. 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
-
How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Tazewell County's tax rate to hand.
-
Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
-
Illinois income tax
Brackets, standard deduction and what Illinois actually taxes.
-
Sales tax in Tazewell County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Tazewell 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.