The chart below shows the City and Adams county property tax rates for a home with a taxable value at $50,000.  (This example represents a Quincy home with an appraised value between $120,000 - $150,000)   The taxable value is anywhere from 70% of the market value to 30% of the market value. The higher the market value, the lower the percentage that applies.   To learn more about property taxes in Adams County, IL please visit the Adams County Treasurer Website