Adams County Property Taxes
Adams County, Illinois
Effective Tax Rate
0.00%
11.5% below state avgMedian Annual Tax
$0
$205/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.58%
At a Glance
Median Home Value
$155,900
State avg ▲ $146,132
Tax w/ Mortgage/yr
$2,553
$213/mo escrow
Tax w/o Mortgage/yr
$2,350
$196/mo
State Tax Rate Rank
#28
of 102 counties (1 = lowest)
Data Story
About Property Taxes in Adams County, Illinois
Adams taxes run below the national average
Adams County's effective tax rate of 1.58% sits comfortably below the national median of 2.14%, placing it in the lower half of U.S. counties. The median tax bill here is $2,461 annually—about 9% less than the national median of $2,690—despite homeowners paying on a much smaller property base.
Rank among Illinois counties
Adams County's 1.58% effective rate beats the Illinois state average of 1.83%, positioning it as a moderately taxed county in a high-tax state. At $2,461 in median property taxes, Adams residents pay about $321 less than the state median of $2,782.
How Adams compares nearby
Among nearby counties, Adams falls in the middle ground—higher than Brown County (1.47%) but significantly lower than Boone County (2.27%). The region shows considerable variation, with effective rates ranging from 1.47% to 2.27% across comparable communities.
What a typical Adams home costs annually
The median home in Adams County is valued at $155,900, which at the 1.58% effective rate translates to roughly $2,461 in annual property taxes. For homeowners with a mortgage, that figure rises slightly to $2,553 when certain assessments are included.
Many Adams homeowners could challenge their assessment
Property tax appeals are a proven way for overassessed homeowners to reduce their annual burden, and thousands of Illinois residents successfully file each year. If you believe your Adams County home is assessed too high, a formal appeal to the county assessor's office could lower your tax bill.
How Adams County Compares
Median Annual Property Tax
Adams County
1.58%
Effective rate
Illinois Avg
1.90%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Adams County, Illinois?
How much are property taxes in Adams County?
How does Adams County compare to the Illinois average?
What is the median home value in Adams County, Illinois?
Is Adams County a low property tax area in Illinois?
How does Adams County rank for property taxes in Illinois?
Counties with Similar Tax Rates
Nearby Counties
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.