Illinois Property Tax
Illinois Property Tax Calculator (2026)
Estimate Illinois property taxes, review the statewide effective rate, browse county pages, and connect tax costs to mortgage payment planning.
Estimated Effective State Rate
1.88%
Sample Annual Tax on $425,000 Home
$7,990
FHA State Tier
Mixed Standard + High-Cost County Tier
Counties Covered
102
FHA Limit Tier Context in Illinois
State Tier Signal
Some counties follow standard FHA limits while higher-cost counties may qualify for elevated FHA limits.
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
What Homebuyers in Illinois Should Know
- Model property tax impact carefully when estimating monthly buying power.
In the current NMC dataset, Illinois has an estimated effective property-tax rate of 1.88%, resulting in approximately $7,520 in annual property taxes on a $400,000 home.
Illinois County and Locality Pages
Highest property tax rates in Illinois
Among counties currently in the NMC dataset for this state.
- 1. Lake County2.58%
- 2. DeKalb County2.45%
- 3. Stephenson County2.40%
- 4. Winnebago County2.39%
- 5. Kendall County2.37%
Lowest property tax rates in Illinois
Among counties currently in the NMC dataset for this state.
- 1. Hardin County0.96%
- 2. Pulaski County1.02%
- 3. Pope County1.03%
- 4. Lawrence County1.18%
- 5. Johnson County1.24%
Adams County
Estimated effective rate: 1.58%
Alexander County
Estimated effective rate: 1.81%
Bond County
Estimated effective rate: 1.89%
Boone County
Estimated effective rate: 2.18%
Brown County
Estimated effective rate: 1.52%
Bureau County
Estimated effective rate: 2.01%
Calhoun County
Estimated effective rate: 1.39%
Carroll County
Estimated effective rate: 1.99%
Cass County
Estimated effective rate: 2.02%
Champaign County
Estimated effective rate: 2.06%
Christian County
Estimated effective rate: 1.64%
Clark County
Estimated effective rate: 1.56%
Clay County
Estimated effective rate: 1.43%
Clinton County
Estimated effective rate: 1.83%
Coles County
Estimated effective rate: 1.94%
Cook County
Estimated effective rate: 1.91%
Crawford County
Estimated effective rate: 1.49%
Cumberland County
Estimated effective rate: 1.59%
De Witt County
Estimated effective rate: 1.78%
DeKalb County
Estimated effective rate: 2.45%
Douglas County
Estimated effective rate: 1.70%
DuPage County
Estimated effective rate: 2.05%
Edgar County
Estimated effective rate: 1.45%
Edwards County
Estimated effective rate: 1.45%
Effingham County
Estimated effective rate: 1.49%
Fayette County
Estimated effective rate: 1.45%
Ford County
Estimated effective rate: 2.12%
Franklin County
Estimated effective rate: 1.57%
Fulton County
Estimated effective rate: 2.14%
Gallatin County
Estimated effective rate: 1.57%
Greene County
Estimated effective rate: 1.74%
Grundy County
Estimated effective rate: 1.99%
Hamilton County
Estimated effective rate: 1.33%
Hancock County
Estimated effective rate: 1.81%
Hardin County
Estimated effective rate: 0.96%
Henderson County
Estimated effective rate: 1.58%
Henry County
Estimated effective rate: 1.99%
Iroquois County
Estimated effective rate: 1.82%
Jackson County
Estimated effective rate: 1.84%
Jasper County
Estimated effective rate: 1.95%
Jefferson County
Estimated effective rate: 1.70%
Jersey County
Estimated effective rate: 1.76%
Jo Daviess County
Estimated effective rate: 1.72%
Johnson County
Estimated effective rate: 1.24%
Kane County
Estimated effective rate: 2.26%
Kankakee County
Estimated effective rate: 2.21%
Kendall County
Estimated effective rate: 2.37%
Knox County
Estimated effective rate: 1.96%
Lake County
Estimated effective rate: 2.58%
LaSalle County
Estimated effective rate: 2.11%
Lawrence County
Estimated effective rate: 1.18%
Lee County
Estimated effective rate: 1.97%
Livingston County
Estimated effective rate: 2.05%
Logan County
Estimated effective rate: 1.77%
Macon County
Estimated effective rate: 2.12%
Macoupin County
Estimated effective rate: 1.50%
Madison County
Estimated effective rate: 1.92%
Marion County
Estimated effective rate: 1.71%
Marshall County
Estimated effective rate: 1.94%
Mason County
Estimated effective rate: 2.09%
Massac County
Estimated effective rate: 1.40%
McDonough County
Estimated effective rate: 2.13%
McHenry County
Estimated effective rate: 2.36%
McLean County
Estimated effective rate: 2.17%
Menard County
Estimated effective rate: 1.72%
Mercer County
Estimated effective rate: 1.96%
Monroe County
Estimated effective rate: 1.63%
Montgomery County
Estimated effective rate: 1.68%
Morgan County
Estimated effective rate: 1.76%
Moultrie County
Estimated effective rate: 1.80%
Ogle County
Estimated effective rate: 2.06%
Peoria County
Estimated effective rate: 2.24%
Perry County
Estimated effective rate: 1.60%
Piatt County
Estimated effective rate: 1.81%
Pike County
Estimated effective rate: 1.53%
Pope County
Estimated effective rate: 1.03%
Pulaski County
Estimated effective rate: 1.02%
Putnam County
Estimated effective rate: 1.57%
Randolph County
Estimated effective rate: 1.43%
Richland County
Estimated effective rate: 1.58%
Rock Island County
Estimated effective rate: 2.28%
Saline County
Estimated effective rate: 1.69%
Sangamon County
Estimated effective rate: 1.99%
Schuyler County
Estimated effective rate: 1.78%
Scott County
Estimated effective rate: 1.50%
Shelby County
Estimated effective rate: 1.50%
St. Clair County
Estimated effective rate: 2.03%
Stark County
Estimated effective rate: 1.69%
Stephenson County
Estimated effective rate: 2.40%
Tazewell County
Estimated effective rate: 2.11%
Union County
Estimated effective rate: 1.30%
Vermilion County
Estimated effective rate: 1.81%
Wabash County
Estimated effective rate: 1.41%
Warren County
Estimated effective rate: 1.81%
Washington County
Estimated effective rate: 1.87%
Wayne County
Estimated effective rate: 1.49%
White County
Estimated effective rate: 1.34%
Whiteside County
Estimated effective rate: 2.04%
Will County
Estimated effective rate: 2.24%
Williamson County
Estimated effective rate: 1.72%
Winnebago County
Estimated effective rate: 2.39%
Woodford County
Estimated effective rate: 2.13%
Need the National View?
Return to the national Property Tax Calculator to compare across states and scenarios.
Methodology and Data Sources
- Tax Foundation Facts & Figures: Property Tax as Percent of Home Value - State-level effective property tax rates (Updated: 2026-02-19)
- HUD/FHA Mortgagee Letter 2025-23 - 2026 FHA floor and high-cost ceiling frameworks (1-4 unit) (Updated: 2026-01-01)
Educational guidance only. Final loan terms and eligibility vary by county limits, credit, income, property profile, and lender guidelines.