Missouri County Sales Tax Rates 2026
All 8 counties · State rate: 4.225% · Avg combined: 8.74%
Missouri Sales Tax Calculator
Total with Tax
$0.00
Highest Rate
9.475%
Jackson County
Lowest Rate
8.1%
Greene County
Average Rate
8.74%
Across 8 counties
| County | Combined Rate | State Rate | Local Rate | Population |
|---|---|---|---|---|
| St. Louis County | 9.113% | 4.225% | 4.888% | 1,004,125 |
| Jackson County | 9.475% | 4.225% | 5.25% | 717,204 |
| St. Charles County | 8.95% | 4.225% | 4.725% | 405,262 |
| Greene County | 8.1% | 4.225% | 3.875% | 293,086 |
| Clay County | 8.975% | 4.225% | 4.75% | 249,948 |
| Jefferson County | 8.35% | 4.225% | 4.125% | 225,081 |
| Boone County | 8.475% | 4.225% | 4.25% | 183,610 |
| Cass County | 8.475% | 4.225% | 4.25% | 106,934 |
Missouri City Tax Guides
Last Updated: March 2026. Consult a licensed tax professional.