I got this off a state sales tax website:
Illinois - Peoria
Sales Tax Calculator of Peoria for 2017
How 2017 Sales taxes are calculated in Peoria
The Peoria, Illinois, general sales tax rate is 6.25%. Depending on the zipcode, the sales tax rate of Peoria may vary from 6.3% to 8.5%
Every 2017 combined rates mentioned above are the results of Illinois state rate (6.25%), the county rate (0.5%), the Peoria tax rate (0.5% to 1.75%). There is no special rate for Peoria.
The Peoria's tax rate may change depending of the type of purchase.
Please refer to the Illinois website for more sales taxes information.
Peoria city rate(s)
6.3% is the smallest possible tax rate (61628, Peoria, Illinois)
7.25%, 8%, 8.25% are all the other possible sales tax rates of Peoria area.
8.5% is the highest possible tax rate (61601, Peoria, Illinois)