Knox County Property Taxes
Knox County, Illinois
Effective Tax Rate
0.00%
26.5% below state avgMedian Annual Tax
$0
$170/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.95%
At a Glance
Median Home Value
$104,900
State avg ▼ $146,132
Tax w/ Mortgage/yr
$2,257
$188/mo escrow
Tax w/o Mortgage/yr
$1,807
$151/mo
State Tax Rate Rank
#64
of 102 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Knox County, Illinois
Knox County taxes slightly above national
Knox County's effective property tax rate of 1.948% sits modestly above the national median of 1.825%, placing it in the upper-middle tier of U.S. counties. Its median tax of $2,044 falls 24% below the national median of $2,690, reflecting lower home values despite the higher rate.
Mid-range among Illinois counties
Knox County ranks 51st among Illinois's 102 counties with a 1.948% effective rate, sitting above the state average of 1.831%. Its median property tax of $2,044 runs 27% below the state median of $2,782, making it one of Illinois's more affordable communities in absolute dollars.
Mid-tier rate with lowest home values
Knox County's 1.948% rate ranks in the middle of the examined counties, yet its median home value of $104,900 is by far the lowest. This creates a favorable dynamic: a moderate tax rate applied to the region's least expensive properties yields among the lowest median bills.
A $104,900 home costs $2,044 yearly
The median Knox County home valued at just $104,900 generates an estimated annual property tax of $2,044. With mortgage insurance included, homeowners pay approximately $2,257 annually—among the lowest in the eight-county comparison despite a above-average tax rate.
Smaller bills still merit careful review
Even with lower absolute tax bills, Knox County homeowners should verify their assessments remain accurate and fair. A successful appeal can provide meaningful savings and ensure your valuation reflects current market conditions.
How Knox County Compares
Median Annual Property Tax
Knox County
1.95%
Effective rate
Illinois Avg
1.90%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Knox County, Illinois?
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Counties with Similar Tax Rates
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Other Counties in Illinois
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.