Rock Island County, Illinois Property Taxes
Property Taxes in Rock Island County, Illinois
Median Rock Island County effective property tax rate: 2.93%, significantly higher than the national median of 1.02%.
Median Rock Island County home value: $121,995
Median annual Rock Island County tax bill: $3,439, higher than the national median property tax bill of $2,400.
How are property taxes in Rock Island County calculated?
Property taxes in Rock Island 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 are property taxes in Rock Island County higher than the national median?
Rock Island County has a median effective property tax rate of 2.93%, which is well above the national median of 1.02%.
What does the median tax bill mean for homeowners in Rock Island County?
The median annual tax bill in Rock Island County is $3,439, compared with the national median property tax bill of $2,400.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Rock Island County or another part of Rock Island County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Rock Island County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.93%
Estimate Property Tax Bill
$3,574
$3,317
How Does the Rock Island County Property Tax Calculator Work?
Use this Rock Island County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Rock Island County's median effective tax rate of 2.93% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessor 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. Rock Island County's median tax rate is higher than the national median property tax rate of 1.02%, and the median property tax bill of $3,439 is higher than 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 Rock Island County.
Property Tax Rates Across Rock Island County, Illinois
What Are Effective Property Tax Rates Across Rock Island County?
Local government entities set tax rates, which vary widely across Rock Island 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 Rock Island County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Rock Island County's median effective rate stands at 2.93%, which is higher than the national median of 1.02%. Within Rock Island County, the highest rate is found in Taylor Ridge at 3.58%, while Andalusia has the lowest at 2.64%.
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 Rock Island County Tax Rate
2.93%
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 Rock Island County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Andalusia | 2.43% | 2.64% | 2.64% | 2.91% | 3.72% |
| Carbon Cliff | 2.26% | 2.63% | 2.82% | 3.20% | 3.20% |
| Coal Valley | 2.51% | 2.85% | 2.85% | 3.70% | 4.24% |
| Cordova | 1.76% | 2.30% | 2.73% | 3.30% | 4.36% |
| East Moline | 1.84% | 2.69% | 3.07% | 3.35% | 3.38% |
| Hampton | 2.16% | 2.57% | 2.66% | 2.66% | 2.66% |
| Hillsdale | 2.36% | 2.70% | 3.24% | 3.89% | 4.61% |
| Illinois City | 2.93% | 3.25% | 3.58% | 4.10% | 4.59% |
| Milan | 2.43% | 3.07% | 3.07% | 3.57% | 4.25% |
| Moline | 2.10% | 2.44% | 2.91% | 2.94% | 2.94% |
| Orion | 3.39% | 3.42% | 3.57% | 3.99% | 4.47% |
| Port Byron | 2.40% | 2.70% | 3.22% | 3.89% | 4.85% |
| Reynolds | 2.51% | 3.13% | 3.54% | 3.89% | 4.80% |
| Rock Island | 1.81% | 2.58% | 2.90% | 3.35% | 3.35% |
| Sherrard | 2.72% | 3.20% | 3.45% | 3.85% | 5.71% |
| Silvis | 2.77% | 3.12% | 3.12% | 3.24% | 3.24% |
| Taylor Ridge | 2.49% | 3.09% | 3.58% | 3.93% | 4.60% |
| Barstow | N/A | N/A | N/A | N/A | N/A |
| Joy | N/A | N/A | N/A | N/A | N/A |
| New Boston | N/A | N/A | N/A | N/A | N/A |
| Rapids City | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Rock Island County, Illinois
When examining property taxes in Rock Island 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 Rock Island County assessor 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 Rock Island County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of September.
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 Rock Island County.
For example, the median tax bill in Rock Island County is $3,439, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, with Orion showing the highest median home price at $223,064.
Property Tax Assessment Values Across Rock Island County, Illinois
Source: Ownwell
$110,655
$166,860
$223,064
Median Rock Island County Market Value
$121,995
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Rock Island County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Andalusia | $44,288 | $66,670 | $133,078 | $173,440 | $209,596 |
| Carbon Cliff | $75,963 | $107,393 | $182,676 | $236,724 | $242,618 |
| Coal Valley | $88,250 | $108,042 | $144,843 | $215,244 | $321,988 |
| Cordova | $58,282 | $101,502 | $141,994 | $206,816 | $364,173 |
| East Moline | $58,545 | $80,979 | $114,642 | $175,482 | $214,806 |
| Hampton | $94,701 | $97,284 | $121,230 | $226,069 | $349,218 |
| Hillsdale | $59,218 | $100,576 | $138,344 | $186,346 | $245,129 |
| Illinois City | $72,959 | $105,282 | $141,792 | $180,507 | $239,360 |
| Milan | $56,636 | $86,535 | $125,328 | $190,882 | $276,607 |
| Moline | $66,300 | $83,853 | $110,655 | $167,025 | $229,455 |
| Orion | $120,170 | $155,144 | $223,064 | $352,996 | $422,710 |
| Port Byron | $62,313 | $106,530 | $158,283 | $239,163 | $315,693 |
| Reynolds | $79,317 | $122,599 | $168,744 | $229,538 | $311,136 |
| Rock Island | $53,912 | $82,252 | $121,860 | $164,321 | $223,371 |
| Sherrard | $20,409 | $101,960 | $202,293 | $286,400 | $336,369 |
| Silvis | $48,432 | $82,042 | $117,870 | $200,648 | $225,936 |
| Taylor Ridge | $32,252 | $118,422 | $159,873 | $240,402 | $312,673 |
| Barstow | N/A | N/A | N/A | N/A | N/A |
| Joy | N/A | N/A | N/A | N/A | N/A |
| New Boston | N/A | N/A | N/A | N/A | N/A |
| Rapids City | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Rock Island County, Illinois
Property tax bills in Rock Island County are based on a home’s assessed value, not its market price alone. Local taxing authorities set tax rates, and the final bill is calculated by applying those rates to the assessed value after any exemptions or adjustments. Factors such as location, school district, local services, and the overall tax levy all influence what a homeowner owes.
With a median home price of $121,995, property taxes can still vary widely across the county. The median tax bill is $3,067 in Moline and reaches $9,436 in Orion, showing how much location can affect the amount due. For many homeowners, this means two similar homes may have very different tax bills depending on where they are located and how they are assessed.
Compared with the national median property tax bill of $2,400, many Rock Island County homeowners pay more, which can make annual property ownership costs feel heavier.
Median Rock Island County Tax Bill
$3,439
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Rock Island County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Andalusia | $1,305 | $2,522 | $3,938 | $5,244 | $5,549 |
| Carbon Cliff | $2,367 | $3,648 | $4,961 | $6,547 | $7,059 |
| Coal Valley | $2,711 | $3,229 | $5,056 | $7,408 | $10,482 |
| Cordova | $1,839 | $2,638 | $4,337 | $7,692 | $11,380 |
| East Moline | $1,613 | $2,410 | $3,265 | $4,871 | $6,420 |
| Hampton | $1,681 | $2,541 | $3,369 | $6,013 | $9,289 |
| Hillsdale | $1,885 | $3,608 | $4,962 | $6,905 | $8,995 |
| Illinois City | $2,749 | $3,809 | $5,289 | $6,961 | $9,200 |
| Milan | $2,077 | $2,809 | $4,290 | $6,591 | $9,653 |
| Moline | $1,567 | $2,281 | $3,067 | $4,328 | $6,129 |
| Orion | $5,064 | $5,327 | $9,436 | $13,643 | $14,809 |
| Port Byron | $2,645 | $3,900 | $5,679 | $7,729 | $10,484 |
| Reynolds | $3,242 | $4,661 | $6,197 | $7,936 | $10,618 |
| Rock Island | $1,233 | $2,113 | $3,364 | $4,773 | $6,566 |
| Sherrard | $3,329 | $4,664 | $7,439 | $10,194 | $10,941 |
| Silvis | $1,189 | $2,332 | $3,522 | $6,272 | $7,326 |
| Taylor Ridge | $3,042 | $4,436 | $6,236 | $9,058 | $11,707 |
| Barstow | N/A | N/A | N/A | N/A | N/A |
| Joy | N/A | N/A | N/A | N/A | N/A |
| New Boston | N/A | N/A | N/A | N/A | N/A |
| Rapids City | 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 | |
|---|---|
| Rock Island Tax Assessor | |
| Website | rockislandil.devnetwedge.com |