Rock Island, Rock Island County, Illinois Property Taxes
Property Taxes in Rock Island, Illinois
Median Rock Island, Illinois effective property tax rate: 2.90%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Rock Island, Illinois home value: $121,860
Median annual Rock Island, Illinois tax bill: $3,364, $964 higher than the national median property tax bill of $2,400.
How are property taxes in Rock Island calculated?
Property taxes in Rock Island, Illinois 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 Rock Island's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rock Island, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Rock Island, Rock Island County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.9%
Estimate Property Tax Bill
$3,534
$3,279
How Does the Rock Island Property Tax Calculator Work?
Use this Rock Island property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Rock Island's median effective tax rate of 2.90% — based on actual property records in Rock Island County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Rock Island's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Rock Island: rates range from 3364.00 in 61201 to 3364.00 in 61201, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Rock Island.
About Rock Island Property Taxes
About Property Taxes in Rock Island, Rock Island, Illinois
Rock Island's median effective property tax rate of 2.90% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Rock Island County base levy combined with local school district levies and Special service areas (SSAs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Rock Island. Homeowners in the 61201 ZIP code carry a median effective rate of 2.90%, while those in the lowest ZIP code also pay 2.90%. This spread reflects how school district boundaries and local assessment districts are drawn across Rock Island County. Understanding which part of Rock Island you live in can make a meaningful difference to your annual tax bill.
Rock Island homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 1, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Rock Island, Rock Island County, Illinois
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Rock Island's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.
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 Tax Rate
2.90%
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%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Rock Island, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61201 | 1.81% | 2.58% | 2.90% | 3.35% | 3.35% |
Source: Ownwell
Property Tax Assessment Values Across Rock Island, Rock Island County, Illinois
When examining property taxes in Rock Island, 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 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 Rock Island County, assessment notices are sent in September 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.
For example, the median home price in Rock Island is $121,860, with tax bills ranging significantly across the county. 61201 has the highest median home price at $121,860.
Property Tax Assessment Values Across Rock Island, Rock Island County, Illinois
Source: Ownwell
$110,655
$166,860
$223,064
Median Rock Island Market Value
$121,860
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, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61201 | $53,912 | $82,252 | $121,860 | $164,321 | $223,371 |
Source: Ownwell
Property Tax Bills Across Rock Island, Rock Island County, Illinois
Property tax bills in Rock Island are calculated by applying the local tax rate to a home’s assessed value, then factoring in any exemptions or special levies that apply. The assessed value is based on the market value of the property, so changes in home prices can affect what homeowners owe. With a median home price of $121,860, the typical tax burden can be significant compared with the national median property tax bill of $2,400.
Homeowners in Rock Island often see bills that vary widely depending on location, property characteristics, and how the home is assessed. The 25th percentile tax bill is $2,113, while the 75th percentile reaches $4,773, and the 90th percentile climbs to $6,566. In ZIP code 61201, the median tax bill is $3,364. For many homeowners, this means property taxes can be one of the largest ongoing housing costs, making it important to understand how the bill is determined and why it may change from year to year.
Property Tax Bills Across Rock Island, Rock Island County, Illinois
Source: Ownwell
$3,067
$6,252
$9,436
Median Rock Island Tax Bill
$3,364
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, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61201 | $1,233 | $2,113 | $3,364 | $4,773 | $6,566 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Rock Island Tax Assessor | |
| Website | rockislandil.devnetwedge.com |