Property Tax in Whiteside County
via TaxByCounty
Whiteside County's taxes rank mid-range nationally
At 2.127%, Whiteside County's effective rate sits near the national median, with homeowners paying $2,676 annually—nearly matching the U.S. median of $2,690. This puts the county in roughly the 50th percentile for property tax burden.
Whiteside ranks above state average in tax rate
Illinois averages 1.831% in effective tax rates, but Whiteside County residents pay 2.127%—about 16% higher than the state median. The county's median tax of $2,676 also exceeds the state's $2,782 despite a smaller median home value.
Whiteside's rate higher than most neighbors
Whiteside County's 2.127% rate tops nearby Rock Island and Henry counties. However, it falls below the higher-taxing northeastern Illinois counties like Will and Winnebago.
Median Whiteside homeowner pays $2,676 yearly
On a median home valued at $125,800, property taxes run $2,676 annually—or $223 monthly. Homeowners with mortgages typically add another $165 to escrow, totaling roughly $388 per month.
Appeals could trim your Whiteside County bill
Overassessment affects many Whiteside County properties; research your home's recent sale comparables and file a formal challenge if your assessed value seems inflated. The county assessor's office accepts appeals during designated windows each year.