Jersey County, Illinois Property Taxes
Property Taxes in Jersey County, Illinois
Median Jersey County effective property tax rate: 2.18%, significantly higher than the national median of 1.02%.
Median Jersey County home value: $135,510
Median annual Jersey County tax bill: $3,033, $633 higher than the national median property tax bill of $2,400.
How are property taxes in Jersey County calculated?
Property taxes in Jersey 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 Jersey County or another part of Jersey County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Jersey County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.18%
Estimate Property Tax Bill
$2,954
$2,741
How Does the Jersey County Property Tax Calculator Work?
Use this Jersey County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Jersey County's median effective tax rate of 2.18% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district 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. Jersey County’s median property tax bill is $3,033, which is higher than the Illinois median tax bill by $633 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 Jersey County.
Property Tax Rates Across Jersey County, Illinois
What Are Effective Property Tax Rates Across Jersey County?
Local government entities set tax rates, which vary widely across Jersey 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 Jersey County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.
Jersey County's median effective rate stands at 2.18%, which is higher than the national median of 1.02%. Within Jersey County, the highest rate is found in Medora at 2.46%, while Godfrey has the lowest at 2.04%.
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 Jersey County Tax Rate
2.18%
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 Jersey County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Brighton | 1.24% | 1.91% | 2.19% | 2.51% | 2.98% |
| Dow | 1.24% | 1.79% | 2.11% | 2.27% | 2.50% |
| Elsah | 1.85% | 2.04% | 2.08% | 2.32% | 2.32% |
| Fieldon | 1.00% | 1.85% | 2.12% | 2.32% | 2.51% |
| Godfrey | 1.15% | 1.79% | 2.04% | 2.11% | 2.37% |
| Grafton | 1.31% | 1.95% | 2.19% | 2.31% | 2.54% |
| Jerseyville | 1.38% | 1.94% | 2.21% | 2.65% | 2.65% |
| Kane | 1.81% | 2.20% | 2.30% | 2.46% | 2.67% |
| Medora | 1.32% | 2.03% | 2.46% | 2.57% | 2.87% |
| Otterville | 0.48% | 1.27% | 2.19% | 2.53% | 2.53% |
| Piasa | 2.19% | 2.42% | 2.45% | 2.50% | 2.59% |
| Fidelity | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Jersey County, Illinois
When examining property taxes in Jersey 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 Jersey 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 Jersey 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 Jersey County.
For example, the median tax bill in Jersey County is $3,033, with tax bills ranging significantly across the county. Piasa has the highest median home price at $201,810.
Median Jersey County Market Value
$135,510
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Jersey County, Illinois
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Brighton | $50,445 | $96,705 | $155,805 | $203,025 | $251,325 |
| Dow | $21,675 | $59,558 | $131,250 | $192,608 | $258,381 |
| Elsah | $36,044 | $61,039 | $132,712 | $186,368 | $287,181 |
| Fieldon | $16,682 | $39,638 | $93,795 | $164,126 | $209,592 |
| Godfrey | $16,671 | $64,354 | $147,938 | $213,544 | $253,140 |
| Grafton | $37,160 | $85,530 | $161,738 | $210,645 | $358,208 |
| Jerseyville | $39,063 | $71,025 | $126,990 | $209,415 | $271,359 |
| Kane | $32,442 | $96,919 | $144,315 | $195,469 | $222,648 |
| Medora | $55,905 | $108,758 | $152,700 | $219,960 | $300,495 |
| Otterville | $6,567 | $9,266 | $15,952 | $32,974 | $66,483 |
| Piasa | $153,356 | $162,705 | $201,810 | $236,194 | $251,325 |
| Fidelity | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Jersey County, Illinois
Property tax bills in Jersey County, Illinois are based on the assessed value of a home, not its market value alone. Local taxing authorities apply the county’s tax rate to that assessed value, and the final bill reflects a mix of school, municipal, county, and other local levies. For homeowners, that means two similar homes can still receive very different tax bills depending on location and how the property is assessed.
With a median home price of $135,510, property taxes can vary widely across the county. The 25th percentile tax bill is $1,477, while the 75th percentile is $4,668 and the 90th percentile reaches $6,414. That spread shows how much the tax burden can differ from one homeowner to another.
Some areas face much higher bills than others, with Piasa posting the highest median tax bill at $5,306.00, while Otterville has the lowest at $380.00. For many homeowners, understanding how assessed value and local rates interact is key to anticipating future property tax costs.
Median Jersey County Tax Bill
$3,033
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Jersey County, Illinois
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Brighton | $850 | $2,071 | $3,494 | $4,767 | $6,396 |
| Dow | $444 | $1,315 | $2,861 | $4,356 | $5,877 |
| Elsah | $973 | $1,651 | $3,033 | $4,357 | $6,529 |
| Fieldon | $311 | $679 | $2,158 | $3,808 | $5,267 |
| Godfrey | $387 | $1,172 | $2,920 | $4,587 | $5,219 |
| Grafton | $566 | $1,746 | $3,623 | $4,888 | $7,739 |
| Jerseyville | $724 | $1,565 | $2,846 | $4,704 | $6,376 |
| Kane | $1,804 | $2,897 | $4,378 | $4,928 | $5,752 |
| Medora | $875 | $2,597 | $3,819 | $5,605 | $8,150 |
| Otterville | $55 | $203 | $380 | $687 | $1,238 |
| Piasa | $2,515 | $3,996 | $5,306 | $5,975 | $6,304 |
| Fidelity | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 20 |
Links | |
|---|---|
| Jersey Tax Assessor | |
| Website | jerseyil.devnetwedge.com |