Illinois property tax
Midwest region · 102 counties · Census ACS 2019-2023 (ACS 2023 5-year)
Illinois has a population-weighted effective property-tax rate of 2.09% of home value (Census ACS 2019-2023 (ACS 2023 5-year)) — +93.9% versus the US average of 1.08%, far above the US average effective rate. The typical bill is about $5,514 on a median home worth around $260,426. Illinois ranks #2 of 51 states by property-tax rate (1 = highest). Within the state, Lake County is highest at 2.68% and Pulaski County is lowest at 0.82%.
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates. Data as of June 2026.
Illinois property tax at a glance
| Figure | Illinois |
|---|---|
| Effective property-tax rate (pop-weighted) | 2.09% |
| Median-of-counties rate | 1.84% |
| Typical median bill | $5,514 |
| Typical median home value | $260,426 |
| Versus US average rate | +93.9% (US avg 1.08%) |
| State rank (1 = highest of 51) | #2 |
| Counties | 102 |
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates. Data as of June 2026.
Illinois counties ranked by property-tax rate
Counties in Illinois, highest effective rate first (top 40 of 102 shown). Counties with their own page are linked.
| Rank | County | Median tax/yr | Median home value | Effective rate |
|---|---|---|---|---|
| 1 | Lake County | $8,743 | $326,600 | 2.68% |
| 2 | DeKalb County | $5,889 | $231,900 | 2.54% |
| 3 | Kendall County | $7,556 | $298,900 | 2.53% |
| 4 | McHenry County | $7,153 | $286,900 | 2.49% |
| 5 | Winnebago County | $3,850 | $155,100 | 2.48% |
| 6 | Stephenson County | $3,140 | $127,500 | 2.46% |
| 7 | Kane County | $7,230 | $303,000 | 2.39% |
| 8 | Will County | $6,993 | $298,000 | 2.35% |
| 9 | Rock Island County | $3,372 | $144,700 | 2.33% |
| 10 | McLean County | $4,503 | $198,300 | 2.27% |
| 11 | Boone County | $4,507 | $198,600 | 2.27% |
| 12 | Peoria County | $3,416 | $152,600 | 2.24% |
| 13 | Kankakee County | $4,125 | $185,700 | 2.22% |
| 14 | Livingston County | $2,867 | $131,500 | 2.18% |
| 15 | Woodford County | $4,224 | $193,800 | 2.18% |
| 16 | McDonough County | $2,238 | $103,500 | 2.16% |
| 17 | LaSalle County | $3,336 | $154,900 | 2.15% |
| 18 | Mason County | $2,277 | $106,100 | 2.15% |
| 19 | Fulton County | $2,186 | $102,500 | 2.13% |
| 20 | Whiteside County | $2,676 | $125,800 | 2.13% |
| 21 | Tazewell County | $3,481 | $164,500 | 2.12% |
| 22 | Cass County | $2,007 | $95,500 | 2.10% |
| 23 | Macon County | $2,560 | $121,800 | 2.10% |
| 24 | DuPage County | $7,833 | $374,100 | 2.09% |
| 25 | St. Clair County | $3,533 | $168,800 | 2.09% |
| 26 | Champaign County | $4,245 | $205,100 | 2.07% |
| 27 | Bureau County | $2,522 | $121,900 | 2.07% |
| 28 | Ford County | $2,443 | $118,100 | 2.07% |
| 29 | Coles County | $2,494 | $121,900 | 2.05% |
| 30 | Carroll County | $2,308 | $113,500 | 2.03% |
| 31 | Ogle County | $3,737 | $184,100 | 2.03% |
| 32 | Grundy County | $5,260 | $259,200 | 2.03% |
| 33 | Marshall County | $2,743 | $137,800 | 1.99% |
| 34 | Cook County | $6,053 | $305,200 | 1.98% |
| 35 | Henry County | $2,877 | $145,300 | 1.98% |
| 36 | Sangamon County | $3,369 | $170,300 | 1.98% |
| 37 | Bond County | $2,612 | $133,100 | 1.96% |
| 38 | Iroquois County | $2,449 | $125,400 | 1.95% |
| 39 | Knox County | $2,044 | $104,900 | 1.95% |
| 40 | Mercer County | $2,710 | $139,300 | 1.95% |
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates. Data as of June 2026.
How Illinois compares with other states
| State | Effective rate | Median bill | vs US avg |
|---|---|---|---|
| Illinois (this state) | 2.09% | $5,514 | +93.9% |
| New Jersey | 2.11% | $9,055 | +95.7% |
| Connecticut | 1.92% | $6,883 | +78.1% |
| New Hampshire | 1.80% | $6,480 | +66.9% |
| Vermont | 1.73% | $5,156 | +60.3% |
| Texas | 1.62% | $4,366 | +49.6% |
Frequently asked questions
What is the property-tax rate in Illinois?
Illinois's population-weighted effective property-tax rate is 2.09% of home value (Census ACS 2019-2023 (ACS 2023 5-year)), +93.9% versus the US average of 1.08%. The typical bill works out to about $5,514 on a $260,426 home. It ranks #2 of 51 states (1 = highest).
Which Illinois county has the highest property tax?
In Illinois, Lake County has the highest effective property-tax rate at 2.68% (median tax $8,743). The lowest is Pulaski County at 0.82%. Source: Census ACS 2019-2023 (ACS 2023 5-year).
Is property tax high in Illinois?
Illinois is among the highest on property tax at a 2.09% effective rate, far above the US average effective rate. The median Illinois home is worth about $260,426 and the median bill is around $5,514. Rates vary widely between its 102 counties.
How is the Illinois property-tax rate calculated?
It is a population-weighted average of each county's effective rate (median real estate taxes paid / median home value), using Census ACS 2023 5-year tables B25103 and B25077. A median-of-counties rate (1.84%) is also computed as a check. These are area medians, not statutory mill rates.
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Source & accuracy
State figures aggregate county-level Census ACS (2019-2023 (ACS 2023 5-year)) data (median real estate taxes paid B25103, median home value B25077), population-weighted. US public domain. These are area medians, not statutory rates or your individual bill — your property tax depends on your assessed value, exemptions and local levy. Verify with your county assessor. See our methodology and disclaimer.
Last updated: 2026-06-20