Illinois · Property Tax & Closing Costs
Illinois property tax by county
Property tax rates, median home values, and closing cost estimates for all 102 counties in Illinois. The average effective rate across the state is 1.80%, ranking Illinois 3 of 51 (highest property taxes nationally). Data is sourced from the US Census Bureau American Community Survey 2024 5-year estimates.
Average rate
1.80%
across 102 counties
National rank
#3
of 51, highest rate first
Median home value
$134,650
county median in state
Rate range
0.96%–2.58%
Hardin County → Lake County
Same home, different county
On a $134,650 home (the typical county median in Illinois), the annual property tax bill depends heavily on where you buy:
Difference
$2,177/yr
$181/mo · $21,773 over 10 years
Estimate: purchase price × each county's effective rate. Actual bills depend on assessed value, local levies, and exemptions.
Lowest property tax rates in Illinois
The five Illinois counties with the lowest effective property tax rates, useful for buyers comparing total cost of ownership across the state.
| County | Rate |
|---|---|
| Hardin County | 0.96% |
| Pulaski County | 1.02% |
| Pope County | 1.03% |
| Lawrence County | 1.19% |
| Johnson County | 1.24% |
Highest property tax rates in Illinois
The five Illinoiscounties with the highest effective property tax rates. High rates often reflect strong school district funding or municipal services rather than weakness, but they materially change a buyer's monthly carrying cost.
| County | Rate |
|---|---|
| Lake County | 2.58% |
| DeKalb County | 2.45% |
| Stephenson County | 2.40% |
| Winnebago County | 2.39% |
| Kendall County | 2.37% |
Illinois real estate transfer tax
Illinois charges a combined transfer tax of about 0.15% of the purchase price. On a $134,650 home, that is roughly $202 in total.
| Paid by | Rate | On $134,650 |
|---|---|---|
| Buyer | 0.00% | $0 |
| Seller | 0.15% | $202 |
State $0.50/$500 (0.1%) + county $0.25/$500 (0.05%), both seller. Chicago adds a city tax of $5.25/$500 total, $3.75/$500 (0.75%) buyer-paid CTA portion + $1.50/$500 (0.3%) seller-paid portion. Other home-rule municipalities (Evanston, Oak Park, Naperville, Aurora) set their own rates.
Official Illinois source → · Verified April 2026
Closing costs in Illinois
Across Illinois's 102 counties, buyer closing costs run $2,462 to $9,915 at each county's median home value with 20% down. Cash needed at closing, with closing costs and the down payment, runs $14,422 to $88,195. Pick your county for your own figures.
Illinois closing cost calculatorIllinois property tax exemptions
Ways buyers in Illinois may reduce their annual property tax. These programs apply statewide; verify county specifics with your local assessor.
General Homestead Exemption
Reduces EAV by up to $10,000 in Cook County, $8,000 in collar counties, or $6,000 elsewhere for owner-occupied primary residences.
View official source →Senior Citizens Homestead Exemption
$5,000 reduction in EAV for homeowners age 65+ who own and occupy their home and are liable for property tax.
View official source →Senior Freeze (Low-Income Assessment Freeze)
Freezes the EAV at the base year value for qualifying seniors 65+. Maximum income limit raised to $75,000 for assessment year 2026 (payable 2027) per SB 642 (Dec 2025).
View official source →Disabled Veterans Standard Homestead Exemption
Graduated by VA disability rating: $2,500 EAV reduction (30-49%), $5,000 (50-69%), full exemption for 70%+ service-connected disability. Total exemption also available for specific adapted-housing cases.
View official source →Last verified April 2026. Exemption amounts and eligibility change frequently. Always confirm with your county assessor before claiming.
All 102 counties in Illinois
Effective property tax rate, median home value, and median annual taxes paid for every county in Illinois. Click a county to open its full property tax calculator and closing cost breakdown.
Source: US Census Bureau American Community Survey 2024 5-year estimates, tables B25077 (median home value) and B25103 (median real estate taxes paid). Effective rate is computed as median taxes paid divided by median home value at the county level and represents the typical owner-occupied home. Actual bills vary by purchase price, exemptions, and special assessments.