Henry County, Illinois Property Taxes
Property Taxes in Henry County, Illinois
Median Henry County effective property tax rate: 2.16%, significantly higher than the national median of 1.02%.
Median Henry County home value: $132,510
Median annual Henry County tax bill: $2,832, higher than the national median property tax bill of $2,400.
How are property taxes in Henry County calculated?
Property taxes in Henry 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 Henry County or another part of Henry County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Henry County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.16%
Estimate Property Tax Bill
$2,862
$2,656
How Does the Henry County Property Tax Calculator Work?
Use this Henry County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Henry County's median effective tax rate of 2.16% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessment office 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. Henry County's median property tax bill is $2,832, which is higher than the Illinois median tax bill by $432 and above the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Henry County.
Property Tax Rates Across Henry County, Illinois
What Are Effective Property Tax Rates Across Henry County?
Local government entities set tax rates, which vary widely across Henry 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 Henry County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Henry County's median effective rate stands at 2.16%, which is higher than the national median of 1.02%. Within Henry County, the highest rate is found in Cambridge at 2.36%, while Cleveland has the lowest at 1.83%.
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 Henry County Tax Rate
2.16%
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 Henry County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Alpha | 1.48% | 1.91% | 2.17% | 2.45% | 2.55% |
| Altona | 1.63% | 1.90% | 2.17% | 2.31% | 2.37% |
| Andover | 1.33% | 1.83% | 2.00% | 2.13% | 2.35% |
| Annawan | 1.55% | 2.00% | 2.22% | 2.37% | 2.56% |
| Atkinson | 1.48% | 1.88% | 2.07% | 2.26% | 2.38% |
| Bishop Hill | 0.89% | 1.38% | 1.92% | 2.45% | 2.45% |
| Cambridge | 1.64% | 2.11% | 2.36% | 2.55% | 2.90% |
| Cleveland | 1.17% | 1.64% | 1.83% | 1.95% | 2.13% |
| Coal Valley | 1.79% | 1.96% | 2.09% | 2.21% | 2.27% |
| Colona | 1.57% | 1.92% | 2.26% | 2.52% | 2.77% |
| Erie | 1.15% | 1.69% | 2.21% | 2.26% | 2.33% |
| Galva | 1.34% | 1.96% | 2.33% | 2.81% | 3.24% |
| Geneseo | 1.69% | 1.95% | 2.10% | 2.21% | 2.41% |
| Hooppole | 0.87% | 1.54% | 1.96% | 2.60% | 2.60% |
| Kewanee | 1.15% | 1.74% | 2.31% | 3.13% | 3.27% |
| Lynn Center | 1.71% | 2.02% | 2.20% | 2.37% | 2.48% |
| New Windsor | 1.87% | 2.09% | 2.26% | 2.43% | 2.49% |
| Ophiem | 1.26% | 1.77% | 2.12% | 2.52% | 2.57% |
| Orion | 1.59% | 1.90% | 2.03% | 2.14% | 2.29% |
| Osco | 1.58% | 1.94% | 2.20% | 2.38% | 2.48% |
| Prophetstown | 1.68% | 1.96% | 2.20% | 2.38% | 2.47% |
| Sheffield | 1.90% | 2.06% | 2.24% | 2.32% | 2.41% |
| Tampico | 2.00% | 2.15% | 2.26% | 2.43% | 2.47% |
| Woodhull | 1.40% | 1.91% | 2.15% | 2.40% | 2.54% |
| Green Rock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Toulon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Henry County, Illinois
When examining property taxes in Henry 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 Henry 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 Henry 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 Henry County.
For example, the median tax bill in Henry County is $2,832, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, from $1,419 in Kewanee to $5,807 in Coal Valley. Coal Valley also has the highest median home price at $292,890.
Median Henry County Market Value
$132,510
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Henry County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Alpha | $47,008 | $81,804 | $121,464 | $186,618 | $268,604 |
| Altona | $68,004 | $89,772 | $131,160 | $242,973 | $371,894 |
| Andover | $85,569 | $116,525 | $156,316 | $194,391 | $238,287 |
| Annawan | $70,096 | $98,742 | $143,439 | $207,816 | $315,656 |
| Atkinson | $67,816 | $100,313 | $150,302 | $212,830 | $333,458 |
| Bishop Hill | $35,854 | $62,244 | $90,378 | $130,866 | $183,154 |
| Cambridge | $58,950 | $90,712 | $128,596 | $186,338 | $292,430 |
| Cleveland | $72,316 | $89,295 | $142,380 | $212,124 | $236,865 |
| Coal Valley | $143,292 | $220,230 | $292,890 | $416,252 | $530,247 |
| Colona | $73,751 | $106,104 | $152,685 | $211,782 | $274,010 |
| Erie | $37,613 | $107,024 | $216,087 | $334,152 | $464,194 |
| Galva | $36,255 | $57,471 | $83,193 | $123,774 | $196,755 |
| Geneseo | $96,857 | $141,267 | $204,000 | $283,860 | $384,973 |
| Hooppole | $38,868 | $55,252 | $74,114 | $92,739 | $115,098 |
| Kewanee | $28,836 | $42,001 | $61,581 | $99,326 | $166,875 |
| Lynn Center | $64,317 | $128,616 | $199,416 | $288,699 | $412,712 |
| New Windsor | $85,934 | $152,770 | $210,882 | $267,052 | $377,513 |
| Ophiem | $13,532 | $54,761 | $92,967 | $131,515 | $165,497 |
| Orion | $98,711 | $140,540 | $187,176 | $249,616 | $343,886 |
| Osco | $67,665 | $107,568 | $149,482 | $298,419 | $475,364 |
| Prophetstown | $64,984 | $101,049 | $158,553 | $243,459 | $346,231 |
| Sheffield | $111,211 | $135,893 | $217,232 | $313,592 | $381,916 |
| Tampico | $109,553 | $133,756 | $208,160 | $245,980 | $273,151 |
| Woodhull | $51,772 | $88,120 | $126,636 | $177,548 | $241,738 |
| Green Rock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Toulon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Henry County, Illinois
Property tax bills in Henry County are based on the assessed value of a home, not its market price alone. Local tax rates are then applied to that assessed value to calculate the final bill, so two homes with similar market values can still owe different amounts if their assessments or tax rates differ.
Several factors shape what homeowners pay, including the home’s assessed value, local taxing districts, and any exemptions that may reduce the bill. With a median home price of $132,510, property taxes can vary widely across the county. The 25th percentile tax bill is $1,535, while the 75th percentile is $4,578 and the 90th percentile reaches $6,838.
That spread shows how property taxes can affect homeowners differently depending on location and assessment. In Coal Valley, the highest median tax bill is $5,807, while Kewanee has the lowest median tax bill at $1,419.
Median Henry County Tax Bill
$2,832
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Henry County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Alpha | $823 | $1,548 | $2,517 | $3,960 | $6,039 |
| Altona | $1,082 | $1,596 | $2,630 | $5,306 | $7,888 |
| Andover | $1,506 | $2,085 | $2,969 | $3,910 | $4,951 |
| Annawan | $1,089 | $1,968 | $2,964 | $4,640 | $7,213 |
| Atkinson | $1,073 | $1,823 | $2,923 | $4,328 | $7,161 |
| Bishop Hill | $444 | $825 | $1,664 | $2,512 | $4,348 |
| Cambridge | $1,122 | $1,888 | $2,870 | $4,464 | $7,060 |
| Cleveland | $957 | $1,542 | $2,435 | $3,755 | $4,521 |
| Coal Valley | $2,224 | $4,111 | $5,807 | $8,813 | $11,497 |
| Colona | $1,395 | $2,238 | $3,353 | $4,644 | $6,000 |
| Erie | $563 | $1,264 | $3,264 | $7,297 | $9,664 |
| Galva | $628 | $1,176 | $1,851 | $2,964 | $4,845 |
| Geneseo | $1,795 | $2,757 | $4,121 | $5,936 | $8,186 |
| Hooppole | $210 | $748 | $1,425 | $1,840 | $2,445 |
| Kewanee | $417 | $812 | $1,419 | $2,437 | $4,208 |
| Lynn Center | $1,188 | $2,451 | $4,213 | $6,324 | $9,722 |
| New Windsor | $1,664 | $3,279 | $4,512 | $5,902 | $9,113 |
| Ophiem | $270 | $1,087 | $1,747 | $2,699 | $3,518 |
| Orion | $1,637 | $2,614 | $3,662 | $5,008 | $7,110 |
| Osco | $1,245 | $2,088 | $3,231 | $6,520 | $10,990 |
| Prophetstown | $1,220 | $2,054 | $3,401 | $5,509 | $7,926 |
| Sheffield | $2,194 | $2,658 | $4,813 | $7,230 | $8,404 |
| Tampico | $2,334 | $2,972 | $4,089 | $5,533 | $6,699 |
| Woodhull | $864 | $1,631 | $2,543 | $3,888 | $5,581 |
| Green Rock | N/A | N/A | N/A | N/A | N/A |
| Mineral | N/A | N/A | N/A | N/A | N/A |
| Toulon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Henry Tax Assessor | |
| Website | henryil.devnetwedge.com |