O'Fallon, MO Sales Tax Rate

The current total local sales tax rate in O'Fallon, MO is 7.950%. The December 2020 total local sales tax rate was also 7.950%.

Sales Tax Breakdown

Missouri State4.225%
Saint Charles County1.725%
Total 7.950%

O'Fallon Details

O'Fallon, MO is in Saint Charles County. O'Fallon is in the following zip codes: 63366, 63368.