Hancock County, Illinois Property Taxes

What Are Effective Property Tax Rates Across Hancock County?

Local government entities set tax rates, which vary widely across Hancock County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.

Below, compare Hancock County's effective property tax rate to other counties in Illinois or the U.S. median of 1.02%.

Hancock County's median effective rate stands at 3.10%, which is higher than the national median of 1.02%. Within Hancock County, the highest rate is found in La Harpe at 3.26%, while Plymouth has the lowest at 2.83%.

These variations reflect differences in local school district levies, Special service areas (SSAs) assessments, and special district bonds — which compound the base county rate.

Property tax bills in Hancock County are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s assessed value rises, the tax bill can increase even if the homeowner’s income does not. For homeowners, this means the amount owed is tied to how the property is valued for tax purposes, not just what was paid for the home.

The county’s median home price is $58,838, and tax bills vary widely across households. The 25th percentile tax bill is $839, while the 75th percentile reaches $3,082. At the high end, the 90th percentile tax bill is $5,549. Median tax bills also differ by city, with Nauvoo at $2,517 and Plymouth at $476. Compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400, these figures show how local assessments and rates can create very different outcomes for homeowners in Hancock County.