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Piatt County, Illinois property tax

Median property tax, home value and effective rate (Census 2020–2024)

Updated Oct 17, 2026, 1:57 AM ET
Effective property tax rate
1.81%

Homeowners in Piatt County, Illinois paid a median $3,265 a year in property tax on a median home worth $180,600, an effective rate of about 1.81% (Census 2020–2024).

Census ACS 2020–2024 5-year medians

#53 lowest of 102Illinois counties by effective rate

2.01%Illinois statewide · US 0.94%
Median tax paid
$3,265
per year, 2020–24
Median home value
$180,600
owner-occupied
Effective rate
1.81%
tax ÷ value
Tax vs. income
3.4%
of $94,811 median household income
Owner costs
$1,527/mo
median with a mortgage, incl. tax & insurance

How Piatt County compares

Effective rate (median tax ÷ median value)

Piatt County1.81%
Illinois2.01%
United States0.94%

Median tax paid per year

Piatt County$3,265
Illinois$5,298
United States$3,119

Tax on a home here

At the local 1.81% effective rate

Home valueEstimated yearly taxPer month
$150,000$2,712$226
$250,000$4,520$377
$350,000$6,328$527
$500,000$9,039$753

Cities and towns in Piatt County

PlaceMedian taxMedian valueRate
Monticello$3,709$210,5001.76%
Bement$2,142$99,3002.16%
Cerro Gordo$2,183$109,2002.00%
Atwood$2,308$128,2001.80%
Cisco$1,904$113,1001.68%
White Heath$1,761$168,5001.05%

Buying a home in Piatt County? 2026 loan limits

Related

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.

Frequently asked questions

What is the property tax rate in Piatt County, Illinois?

Homeowners in Piatt County, Illinois paid a median $3,265 a year in property tax on a median home worth $180,600, an effective rate of about 1.81% (Census 2020–2024).

How much is property tax on a $300,000 home in Piatt County?

About $5,424 a year ($452 a month) at the 1.81% median effective rate. Your bill depends on assessed value and exemptions.

Is Piatt County property tax high?

It ranks #53 lowest of 102 Illinois counties. The state median effective rate is 2.01% and the US rate is 0.94%.

Where do I pay property tax in Piatt County?

Bills are issued and collected by the Piatt County treasurer or tax collector, based on values set by the county assessor.