Mount Vernon, Jefferson County, Illinois Property Taxes
Median Mount Vernon, IL effective property tax rate: 2.38%, significantly higher than the national median of 1.02%, but slightly higher than the Illinois state median of 2.35%.
Median Mount Vernon, IL home value: $64,438
Median annual Mount Vernon, IL tax bill: $1,368, $1,032 lower than the national median property tax bill of $2,400.
How are property taxes in Jefferson calculated?
Property taxes in Mount Vernon, IL 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 Mount Vernon’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Mount Vernon, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Mount Vernon, Jefferson County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.38%
Estimate Property Tax Bill
$1,534
$1,423
Property Tax Rates Across Mount Vernon, Jefferson County, Illinois
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 Mount Vernon Taxx Rate
2.38%
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 Jefferson County Taxx Rate
2.20%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
0.99%
Property Tax Rates Across Mount Vernon, Jefferson County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62864 | 1.16% | 1.80% | 2.38% | 2.96% | 3.22% |
Source: Ownwell
Property Tax Assessment Values Across Mount Vernon, Jefferson County, Illinois
When examining property taxes in Mount Vernon, IL, 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 Jefferson 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.
In Jefferson 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 Mount Vernon.
For example, the median home price in Mount Vernon is $64,438, with tax bills ranging significantly across the county. Zip code 62864 has the highest median home price at $64,438.
Property Tax Assessment Values Across Mount Vernon, Jefferson County, Illinois
Source: Ownwell

$43,035
$75,082
$107,128
Median Mount Vernon Market Value
$64,438
Median Jefferson County Market Value
$61,827
Median Illinois Market Value
$194,700
Median United States Market Value
$244,900
Property Tax Assessment Values Across Mount Vernon, Jefferson County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62864 | $14,919 | $27,442 | $64,438 | $119,065 | $182,172 |
Source: Ownwell
Property Tax Bills Across Mount Vernon, Jefferson County, Illinois
Median Mount Vernon Tax Bill
$1,368
Median Jefferson County Tax Bill
$1,229
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,690
Property Tax Bills Across Mount Vernon, Jefferson County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
62864 | $239 | $579 | $1,368 | $2,798 | $4,437 |
Source: Ownwell