Henderson County, Illinois Property Taxes
Median Henderson County effective property tax rate: 1.86%, significantly higher than the national median of 1.02%.
Median Henderson County home value: $48,516
Median annual Henderson County tax bill: $1,452, $948 lower than the national median property tax bill of $2,400.
How are property taxes in Henderson County calculated?
Property taxes in Henderson 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.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Oquawka or another part of Henderson County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Henderson County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.86%
Estimate Property Tax Bill
$902
$837
Property Tax Rates Across Henderson County, Illinois
Local government entities in Illinois set property tax rates, which can vary widely within the state. Each year, counties like Henderson estimate their required budgets to provide essential services and divide that by the total value of all taxable property within their jurisdiction. This calculation results in the property tax rate. While votes and laws play a role in setting these rates and budgets, this is essentially the annual process.
Henderson County's effective property tax rate is significantly higher than the national median property tax rate of 1.02%. With a median tax rate of 1.86%, property owners in Henderson County face a considerably higher tax burden compared to the national average. This rate is also higher than the median property tax bill of $2,400 across the United States.
Comparing Henderson County to other counties in Illinois and the U.S. can provide valuable insights into the property tax landscape. By understanding these differences, property owners can make informed decisions about appealing their property taxes or seeking exemptions to potentially reduce their tax liabilities.
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 Henderson County Tax Rate
1.86%
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
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Henderson County, Illinois
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Oquawka | 0.84% | 1.36% | 1.78% | 2.21% | 2.42% |
Biggsville | N/A | N/A | N/A | N/A | N/A |
Blandinsville | N/A | N/A | N/A | N/A | N/A |
Carman | N/A | N/A | N/A | N/A | N/A |
Dallas City | N/A | N/A | N/A | N/A | N/A |
Gladstone | N/A | N/A | N/A | N/A | N/A |
Keithsburg | N/A | N/A | N/A | N/A | N/A |
Kirkwood | N/A | N/A | N/A | N/A | N/A |
La Harpe | N/A | N/A | N/A | N/A | N/A |
Little York | N/A | N/A | N/A | N/A | N/A |
Lomax | N/A | N/A | N/A | N/A | N/A |
Media | N/A | N/A | N/A | N/A | N/A |
Monmouth | N/A | N/A | N/A | N/A | N/A |
Raritan | N/A | N/A | N/A | N/A | N/A |
Sciota | N/A | N/A | N/A | N/A | N/A |
Seaton | N/A | N/A | N/A | N/A | N/A |
Smithshire | N/A | N/A | N/A | N/A | N/A |
Stronghurst | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Henderson County, Illinois
When examining property taxes in Henderson 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 Henderson 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.
In Henderson 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 Henderson County.
For example, the median tax bill in Henderson County is $1,054, with tax bills ranging significantly across the county. Oquawka has the highest median home price at $53,721.
Property Tax Assessment Values Across Henderson County, Illinois
Source: Ownwell

$53,721
$53,721
$53,721
Median Henderson County Market Value
$48,516
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Henderson County, Illinois
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Oquawka | $8,780 | $24,948 | $53,721 | $91,014 | $132,495 |
Biggsville | N/A | N/A | N/A | N/A | N/A |
Blandinsville | N/A | N/A | N/A | N/A | N/A |
Carman | N/A | N/A | N/A | N/A | N/A |
Dallas City | N/A | N/A | N/A | N/A | N/A |
Gladstone | N/A | N/A | N/A | N/A | N/A |
Keithsburg | N/A | N/A | N/A | N/A | N/A |
Kirkwood | N/A | N/A | N/A | N/A | N/A |
La Harpe | N/A | N/A | N/A | N/A | N/A |
Little York | N/A | N/A | N/A | N/A | N/A |
Lomax | N/A | N/A | N/A | N/A | N/A |
Media | N/A | N/A | N/A | N/A | N/A |
Monmouth | N/A | N/A | N/A | N/A | N/A |
Raritan | N/A | N/A | N/A | N/A | N/A |
Sciota | N/A | N/A | N/A | N/A | N/A |
Seaton | N/A | N/A | N/A | N/A | N/A |
Smithshire | N/A | N/A | N/A | N/A | N/A |
Stronghurst | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Henderson County, Illinois
Median Henderson County Tax Bill
$1,452
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Henderson County, Illinois
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Oquawka | $254 | $485 | $1,054 | $1,875 | $3,073 |
Biggsville | N/A | N/A | N/A | N/A | N/A |
Blandinsville | N/A | N/A | N/A | N/A | N/A |
Carman | N/A | N/A | N/A | N/A | N/A |
Dallas City | N/A | N/A | N/A | N/A | N/A |
Gladstone | N/A | N/A | N/A | N/A | N/A |
Keithsburg | N/A | N/A | N/A | N/A | N/A |
Kirkwood | N/A | N/A | N/A | N/A | N/A |
La Harpe | N/A | N/A | N/A | N/A | N/A |
Little York | N/A | N/A | N/A | N/A | N/A |
Lomax | N/A | N/A | N/A | N/A | N/A |
Media | N/A | N/A | N/A | N/A | N/A |
Monmouth | N/A | N/A | N/A | N/A | N/A |
Raritan | N/A | N/A | N/A | N/A | N/A |
Sciota | N/A | N/A | N/A | N/A | N/A |
Seaton | N/A | N/A | N/A | N/A | N/A |
Smithshire | N/A | N/A | N/A | N/A | N/A |
Stronghurst | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell