Kane County, Illinois Property Taxes
Property Taxes in Kane County, Illinois
Median Kane County effective property tax rate: 2.49%, significantly higher than the national median of 1.02%.
Median Kane County home value: $279,433
Median annual Kane County tax bill: $6,802, higher than the national median property tax bill of $2,400.
How are property taxes in Kane County calculated?
Property taxes in Kane 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 Kane County or another part of Kane County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Kane County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.49%
Estimate Property Tax Bill
$6,958
$6,457
How Does the Kane County Property Tax Calculator Work?
Use this Kane County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Kane County's median effective tax rate of 2.49% 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. Kane County's median tax rate is higher than the national median property tax rate of 1.02%, and the county's median property tax bill of $6,802 is well 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 Kane County.
Property Tax Rates Across Kane County, Illinois
What Are Effective Property Tax Rates Across Kane County?
Local government entities set tax rates, which vary widely across Kane 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 Kane County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Kane County's median effective rate stands at 2.49%, which is higher than the national median of 1.02%. Within Kane County, the highest rate is found in Bartlett at 2.80%, while Oswego has the lowest at 2.10%.
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 Kane County Tax Rate
2.49%
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 Kane County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Algonquin | 2.22% | 2.36% | 2.51% | 2.53% | 2.58% |
| Aurora | 1.71% | 2.09% | 2.40% | 2.53% | 2.85% |
| Barrington | 2.54% | 2.60% | 2.65% | 2.71% | 2.77% |
| Barrington Hills | 2.56% | 2.59% | 2.69% | 2.72% | 2.80% |
| Bartlett | 2.77% | 2.78% | 2.80% | 2.81% | 2.82% |
| Batavia | 2.34% | 2.51% | 2.63% | 2.70% | 2.80% |
| Big Rock | 1.96% | 2.11% | 2.21% | 2.39% | 2.43% |
| Burlington | 2.40% | 2.67% | 2.77% | 2.92% | 3.10% |
| Carpentersville | 2.16% | 2.41% | 2.48% | 2.63% | 2.80% |
| Dundee | 2.09% | 2.21% | 2.35% | 2.58% | 2.72% |
| East Dundee | 1.83% | 2.29% | 2.45% | 2.53% | 2.77% |
| Elburn | 2.34% | 2.53% | 2.74% | 2.87% | 2.98% |
| Elgin | 2.19% | 2.43% | 2.55% | 2.84% | 2.91% |
| Geneva | 2.34% | 2.47% | 2.58% | 2.73% | 2.81% |
| Gilberts | 2.22% | 2.42% | 2.55% | 2.62% | 2.70% |
| Hampshire | 2.04% | 2.20% | 2.40% | 2.63% | 2.82% |
| Huntley | 1.17% | 1.98% | 2.14% | 2.25% | 2.35% |
| Kaneville | 2.33% | 2.42% | 2.56% | 2.69% | 2.86% |
| Lafox | 2.08% | 2.27% | 2.38% | 2.58% | 2.58% |
| Maple Park | 2.38% | 2.57% | 2.71% | 2.86% | 2.99% |
| Montgomery | 1.75% | 1.99% | 2.33% | 2.80% | 2.90% |
| North Aurora | 2.17% | 2.37% | 2.49% | 2.57% | 2.71% |
| Oswego | 1.91% | 1.98% | 2.10% | 2.14% | 2.18% |
| Pingree Grove | 1.95% | 2.12% | 2.64% | 2.75% | 2.80% |
| Plato Center | 2.31% | 2.40% | 2.49% | 2.62% | 2.78% |
| Saint Charles | 2.16% | 2.29% | 2.42% | 2.51% | 2.63% |
| Sleepy Hollow | 2.25% | 2.33% | 2.47% | 2.50% | 2.53% |
| South Elgin | 2.26% | 2.46% | 2.57% | 2.69% | 2.80% |
| St Charles | 2.05% | 2.25% | 2.36% | 2.46% | 2.56% |
| Sugar Grove | 2.12% | 2.41% | 2.74% | 2.86% | 2.92% |
| Sycamore | 2.22% | 2.40% | 2.62% | 2.72% | 2.90% |
| Wasco | 1.81% | 2.04% | 2.30% | 2.55% | 2.55% |
| Wayne | 2.48% | 2.56% | 2.66% | 2.71% | 2.78% |
| West Chicago | 2.08% | 2.27% | 2.40% | 2.52% | 2.65% |
| West Dundee | 2.29% | 2.47% | 2.61% | 2.67% | 2.85% |
| Campton Hills | N/A | N/A | N/A | N/A | N/A |
| Compton | N/A | N/A | N/A | N/A | N/A |
| Lake Marian | N/A | N/A | N/A | N/A | N/A |
| Plano | N/A | N/A | N/A | N/A | N/A |
| Virgil | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Kane County, Illinois
When examining property taxes in Kane 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 Kane 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 Kane 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 Kane County.
For example, the median tax bill in Kane County is $6,802, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, from Aurora at $4,508 to Barrington at $16,350. Barrington also has the highest median home price at $614,850.
Median Kane County Market Value
$279,433
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Kane County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Algonquin | $195,417 | $227,650 | $330,597 | $386,047 | $417,725 |
| Aurora | $118,496 | $151,101 | $195,362 | $261,714 | $331,227 |
| Barrington | $463,031 | $547,072 | $614,850 | $711,415 | $743,526 |
| Barrington Hills | $358,725 | $537,401 | $597,803 | $768,103 | $805,783 |
| Bartlett | $383,660 | $389,295 | $409,439 | $435,681 | $453,809 |
| Batavia | $211,503 | $264,043 | $341,366 | $428,406 | $524,671 |
| Big Rock | $186,875 | $228,631 | $286,297 | $360,504 | $477,064 |
| Burlington | $169,283 | $194,713 | $229,199 | $353,221 | $431,279 |
| Carpentersville | $166,990 | $183,160 | $203,854 | $262,232 | $335,457 |
| Dundee | $200,321 | $327,863 | $383,157 | $440,282 | $536,900 |
| East Dundee | $166,314 | $197,344 | $223,776 | $271,648 | $340,314 |
| Elburn | $205,987 | $287,740 | $340,252 | $410,621 | $518,857 |
| Elgin | $160,782 | $197,299 | $252,086 | $347,143 | $425,838 |
| Geneva | $235,644 | $312,954 | $389,770 | $477,601 | $598,057 |
| Gilberts | $193,240 | $239,061 | $322,500 | $389,688 | $439,961 |
| Hampshire | $189,093 | $228,337 | $313,968 | $377,564 | $459,048 |
| Huntley | $210,897 | $248,846 | $294,940 | $363,464 | $437,570 |
| Kaneville | $213,483 | $252,534 | $290,408 | $329,214 | $362,331 |
| Lafox | $223,090 | $277,855 | $326,994 | $420,238 | $524,041 |
| Maple Park | $158,601 | $223,912 | $300,102 | $384,692 | $490,901 |
| Montgomery | $166,280 | $185,742 | $222,002 | $288,881 | $322,655 |
| North Aurora | $192,629 | $226,530 | $298,202 | $360,666 | $419,776 |
| Oswego | $187,082 | $214,262 | $233,013 | $264,913 | $273,805 |
| Pingree Grove | $190,552 | $214,934 | $283,908 | $341,956 | $381,822 |
| Plato Center | $172,453 | $223,030 | $306,614 | $386,069 | $428,802 |
| Saint Charles | $236,052 | $286,721 | $374,163 | $517,626 | $675,189 |
| Sleepy Hollow | $278,539 | $312,904 | $357,833 | $395,284 | $441,425 |
| South Elgin | $164,486 | $210,754 | $280,342 | $363,499 | $479,877 |
| St Charles | $189,294 | $260,546 | $396,398 | $587,726 | $739,560 |
| Sugar Grove | $212,419 | $266,318 | $343,726 | $401,565 | $472,228 |
| Sycamore | $248,157 | $327,846 | $404,581 | $502,089 | $585,400 |
| Wasco | $186,942 | $204,982 | $247,422 | $278,828 | $339,949 |
| Wayne | $390,019 | $482,413 | $586,481 | $764,893 | $1,173,023 |
| West Chicago | $188,653 | $199,360 | $245,948 | $296,085 | $444,246 |
| West Dundee | $209,727 | $255,147 | $302,164 | $356,918 | $413,382 |
| Campton Hills | N/A | N/A | N/A | N/A | N/A |
| Compton | N/A | N/A | N/A | N/A | N/A |
| Lake Marian | N/A | N/A | N/A | N/A | N/A |
| Plano | N/A | N/A | N/A | N/A | N/A |
| Virgil | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Kane County, Illinois
Property tax bills in Kane County are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill homeowners receive. Local budgets for schools, municipal services, and other public needs also play a role in determining how much tax is collected.
With a median home price of $279,433, property taxes can be a significant expense for homeowners. The county’s tax bills vary widely, with the 25th percentile at $4,815, the 75th percentile at $9,504, and the 90th percentile at $12,296. That range shows how much bills can differ depending on a home’s value and location within the county.
Some areas see especially high bills, such as Barrington, where the median tax bill is $16,350, while Aurora has a lower median tax bill of $4,508. For homeowners, understanding how assessed value and local tax rates work is important because even small changes can have a noticeable impact on annual costs.
Median Kane County Tax Bill
$6,802
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Kane County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Algonquin | $4,384 | $5,517 | $8,111 | $9,676 | $10,501 |
| Aurora | $2,160 | $3,143 | $4,508 | $6,279 | $8,519 |
| Barrington | $11,928 | $14,148 | $16,350 | $18,548 | $20,454 |
| Barrington Hills | $9,780 | $14,331 | $15,402 | $20,654 | $21,901 |
| Bartlett | $10,562 | $10,790 | $11,453 | $12,157 | $12,771 |
| Batavia | $5,135 | $6,625 | $8,833 | $11,297 | $13,999 |
| Big Rock | $3,977 | $4,997 | $6,243 | $7,931 | $10,768 |
| Burlington | $4,436 | $5,082 | $6,323 | $9,600 | $12,432 |
| Carpentersville | $3,532 | $4,402 | $5,079 | $6,484 | $8,662 |
| Dundee | $4,014 | $7,058 | $9,397 | $10,850 | $12,509 |
| East Dundee | $2,953 | $4,627 | $5,440 | $6,704 | $8,629 |
| Elburn | $5,430 | $7,454 | $9,341 | $11,239 | $13,978 |
| Elgin | $3,652 | $4,812 | $6,347 | $8,995 | $11,843 |
| Geneva | $5,676 | $7,737 | $10,130 | $12,766 | $15,890 |
| Gilberts | $4,773 | $6,013 | $7,976 | $9,792 | $11,040 |
| Hampshire | $4,317 | $5,463 | $7,584 | $9,172 | $10,960 |
| Huntley | $3,052 | $4,797 | $6,158 | $7,957 | $9,933 |
| Kaneville | $5,300 | $5,985 | $6,951 | $8,053 | $10,239 |
| Lafox | $4,187 | $6,269 | $7,280 | $10,126 | $12,397 |
| Maple Park | $3,870 | $5,750 | $7,831 | $10,393 | $13,183 |
| Montgomery | $2,925 | $3,791 | $5,136 | $7,813 | $9,008 |
| North Aurora | $4,238 | $5,334 | $7,298 | $9,155 | $10,855 |
| Oswego | $3,855 | $4,366 | $4,646 | $5,442 | $5,770 |
| Pingree Grove | $4,467 | $5,355 | $6,482 | $9,061 | $10,010 |
| Plato Center | $4,221 | $5,455 | $7,562 | $9,394 | $11,110 |
| Saint Charles | $5,311 | $6,742 | $8,954 | $12,458 | $16,650 |
| Sleepy Hollow | $6,214 | $7,419 | $8,588 | $9,771 | $11,130 |
| South Elgin | $3,815 | $5,126 | $7,043 | $9,469 | $12,914 |
| St Charles | $4,173 | $5,784 | $8,774 | $14,137 | $18,919 |
| Sugar Grove | $5,198 | $6,795 | $8,717 | $10,959 | $13,102 |
| Sycamore | $5,538 | $7,944 | $10,055 | $12,191 | $15,105 |
| Wasco | $3,366 | $4,611 | $5,696 | $6,744 | $8,017 |
| Wayne | $9,668 | $12,674 | $15,506 | $20,759 | $30,051 |
| West Chicago | $4,193 | $4,967 | $5,550 | $7,018 | $11,074 |
| West Dundee | $4,514 | $6,291 | $7,822 | $9,409 | $11,022 |
| Campton Hills | N/A | N/A | N/A | N/A | N/A |
| Compton | N/A | N/A | N/A | N/A | N/A |
| Lake Marian | N/A | N/A | N/A | N/A | N/A |
| Plano | N/A | N/A | N/A | N/A | N/A |
| Virgil | 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 | |
|---|---|
| Kane Tax Assessor | |
| Website | kaneil.devnetwedge.com |
Frequently Asked Property Tax Questions in Kane County, Illinois
How are property taxes calculated in Kane County, Illinois?
How do I appeal my property taxes in Kane County, Illinois?
What property tax exemptions are available in Kane County, Illinois?
When are property taxes due in Kane County, Illinois?
How can Ownwell help reduce my property taxes in Kane County, Illinois?
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