Ottawa sales tax details
The minimum combined 2024 sales tax rate for Ottawa, Illinois is 7.0%. This is the total of state, county, and city sales tax rates. The Illinois sales tax rate is currently 6.25%. The Ottawa sales tax rate is 0.5%.
Ottawa, Illinois sales tax rates
Sales tax rate lookup and sales tax item calculator
Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.
Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.
*Rates are rounded to the nearest hundredth.
Additional resources
Ottawa rates by ZIP and neighboring cities
Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.
