Rockford, Boone County, Illinois Property Taxes
Property Taxes in Rockford, Illinois
Median Rockford, Illinois effective property tax rate: 2.52%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Rockford, Illinois home value: $371,577
Median annual Rockford, Illinois tax bill: $9,174, $6,774 higher than the national median property tax bill of $2,400.
How are property taxes in Boone calculated?
Property taxes in Rockford, 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 Rockford's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rockford, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Rockford, Boone County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.52%
Estimate Property Tax Bill
$9,364
$8,689
How Does the Rockford Property Tax Calculator Work?
Use this Rockford property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Rockford's median effective tax rate of 2.52% — based on actual property records in Boone 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 Rockford'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 Rockford: rates range from $9,048 in 61107 to $9,321 in 61114, 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 Rockford.
About Rockford Property Taxes
About Property Taxes in Rockford, Boone, Illinois
Rockford’s median effective property tax rate of 2.52% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Boone 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 Rockford. Homeowners in the 61114 ZIP code carry a median effective rate of 2.52%, while those in 61107 pay 2.52%. This spread reflects how school district boundaries and local assessment districts are drawn across Boone County. Understanding which part of Rockford you live in can make a meaningful difference to your annual tax bill.
Rockford 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 Rockford, Boone 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 Rockford'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 Ă· 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 Rockford Tax Rate
2.52%
Our median effective property tax rate (tax bill Ă· 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 Boone County Tax Rate
2.48%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Rockford, Boone County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61107 | 2.38% | 2.41% | 2.52% | 2.54% | 2.57% |
| 61114 | 2.40% | 2.43% | 2.52% | 2.55% | 2.59% |
Source: Ownwell
Property Tax Assessment Values Across Rockford, Boone County, Illinois
When examining property taxes in Rockford, 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 Boone County appraisal district 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 Boone County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of the month when notices are sent.
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 understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities and the valuation process affecting property taxes in Rockford.
For example, the median home price in Rockford is $371,577, with tax bills ranging significantly across the county. 61114 has the highest median home price at $380,274.
Property Tax Assessment Values Across Rockford, Boone County, Illinois
Source: Ownwell
$183,606
$281,940
$380,274
Median Rockford Market Value
$371,577
Median Boone County Market Value
$205,580
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Rockford, Boone County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61107 | $312,060 | $338,956 | $367,844 | $398,966 | $473,844 |
| 61114 | $315,671 | $342,954 | $380,274 | $452,197 | $600,377 |
Source: Ownwell
Property Tax Bills Across Rockford, Boone County, Illinois
Rockford property tax bills are calculated by applying local tax rates to a home’s assessed value, which is based on the market value of the property. The final bill depends on the assessed value, local levies, and any exemptions a homeowner may qualify for. With a median home price of $371,577, taxes can add a substantial cost to ownership, especially when compared with the national median property tax bill of $2,400.
In Rockford, the typical tax burden is much higher than the national norm, and homeowners should expect bills to vary by neighborhood and property characteristics. The highest median tax bill is $9,321 in ZIP code 61114, while the lowest median tax bill is $9,048 in ZIP code 61107. These differences show how location can influence what homeowners pay each year.
Median Rockford Tax Bill
$9,174
Median Boone County Tax Bill
$4,861
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Rockford, Boone County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61107 | $7,053 | $8,336 | $9,048 | $9,977 | $12,023 |
| 61114 | $7,257 | $8,460 | $9,321 | $11,155 | $15,330 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Boone Tax Assessor | |
| Website | booneil.devnetwedge.com |