Rock Island, IL — income, home value, property tax, and sales tax.
In ZIP code 61237, which takes in part of Rock Island, the county-level effective property tax rate stands at 2.28%. That rate matters most when weighed against what homes cost and what households bring in, since a higher rate on a lower-priced home can still claim a meaningful share of annual earnings. Buyers here also pay a combined sales tax of 7.25% on purchases, adding to the overall cost of living. Together, the property and sales taxes shape how far a paycheck stretches for anyone considering a move into this area.