Clark County, Illinois Property Taxes
Property Taxes in Clark County, Illinois
Median Clark County effective property tax rate: 1.95%, significantly higher than the national median of 1.02%.
Median Clark County home value: $89,572
Median annual Clark County tax bill: $1,620, lower than the national median property tax bill of $2,400.
How are property taxes in Clark County calculated?
Property taxes in Clark County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Why is Clark County’s property tax rate important? Because a 1.95% effective property tax rate can make a meaningful difference for homeowners, especially when compared with the national median of 1.02%. How much is the typical tax bill? The median annual bill is $1,620, which is below the national median of $2,400. What affects the amount you pay? Your assessed value, exemptions, and any reduction opportunities all play a role. Whether you live in Clark County or another part of the county, understanding local property tax rules can help you identify savings and better manage your tax burden.
Last Updated April 13, 2026
Clark County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.95%
Estimate Property Tax Bill
$1,747
$1,621
How Does the Clark County Property Tax Calculator Work?
Use this Clark County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Clark County's median effective tax rate of 1.95% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessment authority assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Clark County's median effective tax rate is higher than the Illinois median tax rate of 2.33%, and the county's median tax bill of $1,620 is lower than the state median tax bill by $780.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Clark County.
Property Tax Rates Across Clark County, Illinois
What Are Effective Property Tax Rates Across Clark County?
Local government entities set tax rates, which vary widely across Clark County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Clark County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Clark County's median effective rate stands at 1.95%, which is higher than the national median of 1.02%. Within Clark County, the highest rate is found in CASEY at 2.12%, while MARSHALL has the lowest at 1.84%.
These variations reflect differences in local school district levies, Special service areas (SSAs) assessments, and special district bonds — which compound the base county rate.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Clark County Tax Rate
1.95%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Clark County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Annapolis | 1.90% | 1.96% | 2.07% | 2.12% | 2.18% |
| Casey | 1.07% | 1.79% | 2.12% | 2.38% | 2.62% |
| Dennison | 1.05% | 1.61% | 1.86% | 1.98% | 2.08% |
| Kansas | 1.30% | 1.82% | 1.93% | 2.03% | 2.07% |
| Marshall | 1.15% | 1.67% | 1.84% | 2.01% | 2.16% |
| Martinsville | 1.23% | 1.88% | 2.09% | 2.28% | 2.60% |
| Westfield | 0.99% | 1.64% | 2.03% | 2.41% | 2.66% |
| West Union | 1.06% | 1.57% | 1.88% | 2.11% | 2.36% |
| West York | 1.43% | 1.86% | 2.10% | 2.27% | 2.43% |
| Oblong | N/A | N/A | N/A | N/A | N/A |
| Paris | N/A | N/A | N/A | N/A | N/A |
| Yale | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Clark County, Illinois
When examining property taxes in Clark County, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Clark County assessment office estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Clark County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Clark County.
For example, the median tax bill in Clark County is $1,620, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, with the 25th percentile at $798, the 75th percentile at $2,783, and the 90th percentile at $4,393. Annapolis has the highest median home price at $130,296.
Median Clark County Market Value
$89,572
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Clark County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Annapolis | $46,333 | $98,337 | $130,296 | $178,185 | $331,067 |
| Casey | $19,325 | $41,511 | $74,835 | $120,699 | $177,428 |
| Dennison | $21,969 | $59,080 | $99,872 | $179,666 | $250,462 |
| Kansas | $43,662 | $70,191 | $113,175 | $160,050 | $190,807 |
| Marshall | $32,687 | $65,896 | $107,156 | $168,606 | $249,832 |
| Martinsville | $19,166 | $49,780 | $86,342 | $142,574 | $221,338 |
| Westfield | $16,644 | $32,852 | $56,658 | $100,528 | $152,583 |
| West Union | $7,326 | $25,239 | $58,932 | $112,029 | $179,302 |
| West York | $25,286 | $48,189 | $89,456 | $137,506 | $175,934 |
| Oblong | N/A | N/A | N/A | N/A | N/A |
| Paris | N/A | N/A | N/A | N/A | N/A |
| Yale | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Clark County, Illinois
Property tax bills in Clark County are based on the assessed value of a home, not its market price alone. Local tax rates are applied to that assessed value to determine the final bill, so two homes with similar market values can still owe different amounts if their assessments differ. Factors such as location, home characteristics, and local taxing jurisdictions all play a role in setting the amount homeowners pay.
With a median home price of $89,572, property taxes can represent a meaningful expense for homeowners, especially when assessments rise. In Clark County, the 25th percentile tax bill is $798, while the 75th percentile is $2,783 and the 90th percentile reaches $4,393. That range shows how widely tax bills can vary across properties. For homeowners, this means the tax bill can have a real impact on monthly budgets and long-term housing costs, making it important to understand how the calculation works.
Median Clark County Tax Bill
$1,620
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Clark County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Annapolis | $991 | $2,020 | $2,538 | $3,306 | $7,019 |
| Casey | $322 | $696 | $1,451 | $2,477 | $3,846 |
| Dennison | $345 | $870 | $1,660 | $3,149 | $4,653 |
| Kansas | $557 | $1,346 | $1,960 | $2,871 | $3,753 |
| Marshall | $456 | $1,016 | $1,869 | $3,065 | $4,689 |
| Martinsville | $339 | $834 | $1,691 | $2,874 | $4,668 |
| Westfield | $292 | $554 | $1,046 | $2,107 | $3,256 |
| West Union | $128 | $337 | $991 | $2,059 | $3,417 |
| West York | $556 | $906 | $1,850 | $2,884 | $3,643 |
| Oblong | N/A | N/A | N/A | N/A | N/A |
| Paris | N/A | N/A | N/A | N/A | N/A |
| Yale | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | January 1 |
Links | |
|---|---|
| Clark Tax Assessor | |
| Website | clarkil.devnetwedge.com |