Monticello, Piatt County, Illinois Property Taxes
Median Monticello, IL effective property tax rate: 2.22%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Monticello, IL home value: $150,564
Median annual Monticello, IL tax bill: $3,412, $1,012 higher than the national median property tax bill of $2,400.
How are property taxes in Piatt County calculated?
Property taxes in Monticello, 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 Monticello’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Monticello, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Monticello, Piatt County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.22%
Estimate Property Tax Bill
$3,343
$3,102
Property Tax Rates Across Monticello, Piatt 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 Monticello Tax Rate
2.22%
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 Piatt County Tax Rate
2.43%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Monticello, Piatt County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61856 | 1.77% | 2.03% | 2.22% | 2.29% | 2.52% |
Source: Ownwell
Property Tax Assessment Values Across Monticello, Piatt County, Illinois
Property Tax Assessment Values Across Monticello, Piatt County, Illinois
Source: Ownwell

$123,234
$214,217
$305,199
Median Monticello Market Value
$150,564
Median Piatt County Market Value
$166,770
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Monticello, Piatt County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61856 | $50,185 | $103,464 | $150,564 | $231,904 | $419,177 |
Source: Ownwell
Property Tax Bills Across Monticello, Piatt County, Illinois
Median Monticello Tax Bill
$3,412
Median Piatt County Tax Bill
$4,197
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Monticello, Piatt County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
61856 | $1,590 | $2,391 | $3,412 | $6,056 | $10,308 |
Source: Ownwell