$ PlainPropertyTax

Statewide · Property tax · ACS 2024

Illinois Property Taxes

The average Illinois homeowner pays $5,298 a year at an effective rate of 2.01%, 166% above the U.S. average. Compare 102 counties below.

$5,298
Avg median tax
2.01%
Effective rate
#2 of 51
U.S. rank (burden)
102
Counties

The verdict

The average Illinois homeowner pays $5,298 a year in property tax, an effective rate of 2.01%, the #2 highest burden of 51 U.S. states.

$5,298
Average median tax, 2024
2.01%
Statewide effective rate
#2 of 51
U.S. states by tax burden
102
counties measured

Effective rate is the median property tax bill divided by the median home value ($263,300). U.S. Census Bureau, ACS 5-Year Estimates · 2024.

The average median property tax in Illinois is $5,298/year, which is 166% above the national average of $1,993. The average effective tax rate is 2.01% on a median home value of $263,300. Taxes range from $869 in Pulaski County to $8,923 in Lake County.

What This Data Tells Us About Illinois

The statewide average property tax in Illinois is $5,298 per year, 166% above the national average of $1,993, based on Census ACS state-level estimates. The statewide effective rate of 2.01% on a median home value of $263,300 reflects how Illinois's assessment rules and local millage combine at the household level; the 102 counties below show how that varies locally.

Within Illinois, median annual tax ranges from $869 in Pulaski County (effective rate 1.02%) to $8,923 in Lake County (effective rate 2.58%). Median home values in Illinois ($263,300) compared with $227,791 nationally help explain why the same effective rate produces different dollar bills in different states. Within-state variation often tracks local school levies, county bonds, and municipal overlays rather than a single statewide rate.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe median homeowner households reported to the Census Bureau, individual bills can differ based on assessed value, exemptions, special districts, and local overlays. Always confirm current rates with your county assessor or a qualified professional before making decisions that rely on these numbers.

State Average vs National Average

Median Annual Tax
$5,298
+166% vs US avg
Median Home Value
$263,300
+16% vs US avg
Effective Tax Rate
2.01%
+118% vs US avg

How Illinois compares

Average effective property tax rate vs the national average, ACS 2024.

Illinois 2.01%
U.S. average 0.92%

Illinois has a higher effective property tax rate than 98% of U.S. states, ranking #2 of 51 for property tax burden.

Tax Affordability Score

1
Very Expensive

Based on the average effective tax rate of 2.01% compared to the national average of 0.92%. Illinois has above-average property tax rates, contributing to higher housing costs.

Very Expensive Very Affordable

How this score is calculated: a 1-10 scale derived mechanically from the ratio of this state's average effective rate to the national average effective rate (0.92%) - a ratio at or below 0.5× scores 10, a ratio at or above 2.0× scores 1, with a linear scale between. It is a factual comparison of Census figures only, not a recommendation, quality rating, or endorsement of Illinois or any other state.

All Counties in Illinois (102)

County (by tax bill) Median taxEff. rateHome value
Lake County $8,923 2.58% $345,700
DuPage County $8,007 2.05% $391,400
Kendall County $7,651 2.37% $322,400
Kane County $7,382 2.26% $327,000
McHenry County $7,274 2.36% $308,100
Will County $7,173 2.24% $319,600
Cook County $6,191 1.91% $324,500
DeKalb County $5,974 2.45% $243,600
Grundy County $5,420 1.99% $271,700
Boone County $4,735 2.18% $216,900
Monroe County $4,588 1.63% $282,100
McLean County $4,524 2.17% $208,400
Champaign County $4,353 2.06% $211,500
Kankakee County $4,266 2.21% $192,600
Woodford County $4,215 2.13% $197,600
Winnebago County $3,930 2.39% $164,500
Ogle County $3,889 2.06% $189,200
St. Clair County $3,665 2.03% $180,300
Jo Daviess County $3,613 1.72% $209,900
Peoria County $3,552 2.24% $158,500
Tazewell County $3,536 2.11% $167,500
Clinton County $3,524 1.83% $192,400
Sangamon County $3,512 1.99% $176,300
Rock Island County $3,425 2.28% $150,400
LaSalle County $3,418 2.11% $161,900
Madison County $3,319 1.92% $173,000
Piatt County $3,265 1.81% $180,600
Stephenson County $3,240 2.40% $134,900
Menard County $3,190 1.72% $185,500
Lee County $3,048 1.97% $154,600
Jersey County $3,020 1.76% $171,900
Henry County $3,016 1.99% $151,600
Livingston County $2,908 2.05% $142,200
Washington County $2,908 1.87% $155,700
Mercer County $2,878 1.96% $146,700
Effingham County $2,823 1.49% $189,500
Marshall County $2,766 1.94% $142,800
Bond County $2,747 1.89% $145,700
Putnam County $2,705 1.57% $172,700
Macon County $2,696 2.12% $127,300
Williamson County $2,690 1.72% $156,400
Calhoun County $2,644 1.39% $190,900
Whiteside County $2,598 2.04% $127,100
Ford County $2,587 2.12% $122,000
Adams County $2,573 1.58% $162,600
Douglas County $2,554 1.70% $150,400
Bureau County $2,548 2.01% $126,900
Jackson County $2,526 1.84% $137,300
Iroquois County $2,504 1.82% $137,800
Coles County $2,474 1.94% $127,400
Jasper County $2,448 1.95% $125,500
Moultrie County $2,414 1.80% $134,000
Logan County $2,385 1.77% $134,400
De Witt County $2,322 1.78% $130,300
Morgan County $2,306 1.76% $130,800
Brown County $2,291 1.52% $150,300
Fulton County $2,289 2.14% $107,200
McDonough County $2,285 2.13% $107,500
Carroll County $2,277 1.99% $114,500
Knox County $2,190 1.96% $111,900
Mason County $2,162 2.09% $103,400
Jefferson County $2,148 1.70% $126,000
Macoupin County $2,073 1.50% $138,200
Clark County $2,064 1.56% $132,400
Shelby County $2,063 1.50% $137,100
Hancock County $2,059 1.81% $113,800
Cumberland County $2,004 1.59% $126,000
Johnson County $1,992 1.24% $160,500
Cass County $1,958 2.02% $97,100
Schuyler County $1,950 1.78% $109,700
Randolph County $1,927 1.43% $135,100
Warren County $1,903 1.81% $105,000
Fayette County $1,894 1.45% $130,700
Christian County $1,891 1.64% $115,500
Montgomery County $1,887 1.68% $112,300
Perry County $1,807 1.60% $112,600
Crawford County $1,806 1.49% $121,100
Richland County $1,769 1.58% $112,000
Stark County $1,768 1.69% $104,500
Marion County $1,759 1.71% $103,000
Vermilion County $1,757 1.81% $97,200
Union County $1,712 1.30% $131,700
Massac County $1,704 1.40% $121,900
Greene County $1,661 1.74% $95,200
Wayne County $1,653 1.49% $110,700
Henderson County $1,651 1.58% $104,400
Saline County $1,597 1.69% $94,300
Pike County $1,556 1.53% $101,400
Hamilton County $1,512 1.33% $113,700
Pope County $1,477 1.03% $143,800
Wabash County $1,475 1.41% $104,900
Edwards County $1,451 1.45% $100,000
Scott County $1,446 1.50% $96,400
White County $1,444 1.34% $108,100
Edgar County $1,409 1.45% $97,300
Franklin County $1,394 1.57% $89,000
Clay County $1,392 1.43% $97,400
Gallatin County $1,305 1.57% $82,900
Lawrence County $1,174 1.18% $99,100
Alexander County $1,084 1.81% $59,800
Hardin County $1,001 0.96% $103,800
Pulaski County $869 1.02% $85,100

Frequently Asked Questions

What is the average property tax in Illinois?
The average median property tax paid in Illinois is $5,298 per year, based on ACS 2024 data. The average effective tax rate is 2.01%.
How does Illinois compare to the national average?
Illinois property taxes are 166% above the national average. Homeowners here pay a median of $5,298 per year compared to $1,993 nationally.
Which county in Illinois has the lowest property taxes?
Pulaski County has the lowest median property tax in Illinois at $869 per year with an effective rate of 1.02%. The highest is Lake County at $8,923.
How are property taxes calculated?
Property taxes are calculated by multiplying the assessed value of a property by the local tax rate (mill rate). Rates vary by county, city, and school district. The effective tax rate shown here is the median tax paid divided by the median home value, which provides a standardized comparison across counties.
What is the median home value in Illinois?
The median home value across Illinois is $263,300, compared to $227,791 nationally. Home values directly impact property tax bills since taxes are assessed as a percentage of property value.
Can I appeal my property taxes in Illinois?
Yes. Every Illinois homeowner has the right to appeal their property tax assessment. The process typically starts at your county assessor's office within 30-90 days of receiving your assessment notice. You can challenge the assessed value by providing comparable sales data, evidence of property condition, or errors in the assessment. See our guide on how to appeal property taxes for detailed steps.

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PlainPropertyTax is rendered directly from the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, no number is typed in by an editor. This page draws directly on the Census ACS state-level record for Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-06-09.