Property Tax in Adams County
via TaxByCounty
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.