Rock Island County Property Tax Rate — Illinois 2026
In Rock Island County, Illinois, homeowners pay a median annual property tax of $3,372 on a median home value of $144,700, resulting in an effective property tax rate of 2.33%. This rate is 0.26% higher than the Illinois state average (2.07%) and 1.42% higher than the national average (0.91%).
How Rock Island County Compares
Homeowners in Rock Island County face a relatively high property tax burden, paying more than both the Illinois state average and the national average.
Property Tax Calculator for Rock Island County
Enter your home’s estimated market value to calculate your approximate annual property tax in Rock Island County, Illinois.
This estimate uses the effective tax rate of 2.33% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Rock Island County, Illinois
The median property tax paid by homeowners in Rock Island County is $3,372 per year. Based on a median home value of $144,700, this translates to an effective property tax rate of 2.33%.
For context, the statewide median property tax in Illinois is $5,189 with an effective rate of 2.07%, while the national average effective rate stands at 0.91%. Rock Island County’s effective rate is 0.26% higher than the Illinois state average (2.07%).
Of the 61,192 housing units in Rock Island County, approximately 68.63% are owner-occupied and 31.37% are renter-occupied. Homeownership rates can influence local tax policy, as communities with higher ownership rates often see more voter engagement on property tax issues.
Important: The data on this page is for informational purposes only and should not be used as tax advice. Actual property taxes depend on your property’s assessed value, local millage rates, and any applicable exemptions. Contact your county assessor’s office for precise tax information.