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State property tax guide

Lower Your Illinois Property Taxes

Are you overpaying on your Illinois property taxes? Review how assessments, appeals, exemptions, and county-level rules work, then check your address for a preliminary savings estimate.

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2.15%Estimated statewide effective rate
$6,499Estimated average annual tax
$1,300Average annual savings

Property tax 101

How Illinois property taxes, appeals, and exemptions work.

Property taxes are usually based on a local assessment of your property value, multiplied by local tax rates, and adjusted by exemptions or caps where available. The process is administered locally, so county deadlines, appeal forms, and exemption rules can vary across Illinois.

Counties covered102
Estimated avg. tax bill$6,499
Client savingsKeep 100%
Lowering taxes since2009

Property taxes across Illinois

Explore property tax estimates by county.

Search the county list below for estimated values, rates, annual tax bills, and savings opportunities.

CountyEstimated home valueEstimated tax rateEstimated annual tax
Adams County $193,800 2.63% $5,095 View details
Alexander County $324,900 2.36% $7,667 View details
Bond County $316,400 2.71% $8,580 View details
Boone County $287,900 1.53% $4,410 View details
Brown County $279,300 2.05% $5,724 View details
Bureau County $373,400 2.40% $8,966 View details
Calhoun County $344,900 2.30% $7,925 View details
Carroll County $245,100 2.32% $5,682 View details
Cass County $376,200 2.42% $9,111 View details
Champaign County $390,500 2.69% $10,508 View details
Christian County $336,300 2.30% $7,727 View details
Clark County $267,900 2.57% $6,876 View details
Clay County $196,700 2.67% $5,252 View details
Clinton County $327,800 2.11% $6,921 View details
Coles County $336,300 2.01% $6,753 View details
Cook County $310,700 2.61% $8,104 View details
Crawford County $202,400 1.72% $3,477 View details
Cumberland County $364,800 1.53% $5,588 View details
De Witt County $191,000 2.28% $4,349 View details
DeKalb County $330,600 2.21% $7,322 View details
Douglas County $353,400 2.61% $9,217 View details
DuPage County $290,700 2.67% $7,763 View details
Edgar County $379,100 1.66% $6,278 View details
Edwards County $322,100 2.30% $7,401 View details
Effingham County $313,500 1.66% $5,192 View details
Fayette County $276,500 2.50% $6,925 View details
Ford County $344,900 2.48% $8,567 View details
Franklin County $370,500 2.50% $9,280 View details
Fulton County $347,700 1.95% $6,766 View details
Gallatin County $265,100 2.26% $5,981 View details
Greene County $285,000 2.65% $7,551 View details
Grundy County $279,300 1.88% $5,261 View details
Hamilton County $327,800 2.36% $7,735 View details
Hancock County $236,600 2.75% $6,514 View details
Hardin County $381,900 1.99% $7,589 View details
Henderson County $225,200 1.80% $4,056 View details
Henry County $248,000 2.19% $5,442 View details
Iroquois County $336,300 2.46% $8,284 View details
Jackson County $399,000 1.61% $6,442 View details
Jasper County $299,300 2.21% $6,629 View details
Jefferson County $387,600 1.76% $6,820 View details
Jersey County $370,500 2.40% $8,896 View details
Jo Daviess County $316,400 2.09% $6,615 View details
Johnson County $367,700 1.66% $6,089 View details
Kane County $370,500 1.55% $5,752 View details
Kankakee County $236,600 1.78% $4,212 View details
Kendall County $287,900 2.38% $6,853 View details
Knox County $193,800 2.44% $4,734 View details
Lake County $216,600 2.13% $4,618 View details
LaSalle County $367,700 1.95% $7,155 View details
Lawrence County $327,800 2.75% $9,025 View details
Lee County $248,000 1.95% $4,826 View details
Livingston County $216,600 2.38% $5,156 View details
Logan County $376,200 1.78% $6,697 View details
Macon County $196,700 2.57% $5,049 View details
Macoupin County $191,000 1.93% $3,677 View details
Madison County $245,100 1.95% $4,769 View details
Marion County $305,000 1.80% $5,493 View details
Marshall County $322,100 2.61% $8,401 View details
Mason County $330,600 1.55% $5,133 View details
Massac County $370,500 1.70% $6,289 View details
McDonough County $384,800 1.80% $6,930 View details
McHenry County $336,300 1.99% $6,683 View details
McLean County $216,600 2.59% $5,605 View details
Menard County $396,200 2.46% $9,760 View details
Mercer County $228,000 1.53% $3,493 View details
Monroe County $307,800 2.50% $7,709 View details
Montgomery County $225,200 2.24% $5,035 View details
Morgan County $202,400 2.38% $4,818 View details
Moultrie County $279,300 2.11% $5,897 View details
Ogle County $322,100 2.19% $7,068 View details
Peoria County $270,800 1.55% $4,204 View details
Perry County $399,000 1.86% $7,433 View details
Piatt County $399,000 1.97% $7,846 View details
Pike County $362,000 2.11% $7,643 View details
Pope County $296,400 1.55% $4,602 View details
Pulaski County $273,600 2.07% $5,664 View details
Putnam County $219,500 2.01% $4,407 View details
Randolph County $373,400 2.15% $8,039 View details
Richland County $285,000 2.21% $6,312 View details
Rock Island County $265,100 2.73% $7,244 View details
Saline County $404,700 1.95% $7,875 View details
Sangamon County $222,300 1.59% $3,543 View details
Schuyler County $339,200 1.70% $5,758 View details
Scott County $376,200 2.59% $9,734 View details
Shelby County $233,700 2.44% $5,708 View details
St. Clair County $213,800 2.67% $5,709 View details
Stark County $362,000 2.59% $9,367 View details
Stephenson County $213,800 2.32% $4,957 View details
Tazewell County $285,000 2.59% $7,374 View details
Union County $322,100 2.09% $6,734 View details
Vermilion County $316,400 2.19% $6,942 View details
Wabash County $347,700 1.93% $6,694 View details
Warren County $364,800 2.07% $7,551 View details
Washington County $396,200 2.21% $8,775 View details
Wayne County $222,300 1.57% $3,497 View details
White County $404,700 1.59% $6,451 View details
Whiteside County $276,500 1.57% $4,350 View details
Will County $384,800 1.80% $6,930 View details
Williamson County $364,800 2.11% $7,702 View details
Winnebago County $205,200 2.30% $4,715 View details
Woodford County $250,800 1.99% $4,984 View details

FAQ

Illinois property tax FAQ

How do I lower my property tax assessment in Illinois?

Start by reviewing your assessment against comparable property data, verifying property details, checking exemption eligibility, and filing the required local appeal or review forms before the applicable deadline.

Do deadlines vary by county?

Yes. Property tax notices, appeal deadlines, and required forms often vary by county or assessment jurisdiction. Your packet includes instructions for where and when to send your materials where available.

Do I keep 100% of my savings?

Yes. Lower Property Tax charges one flat packet price and does not take a percentage of your property tax savings.

Check your property tax savings.

Enter your address and see your preliminary annual savings estimate.

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