Irondale, MO Sales Tax Rate
The combined sales tax rate in Irondale, Missouri is 8.225% (4.225% state, 2.5% county and 1.5% city). Calculate the sales tax on any purchase in Irondale. Rates effective October 2026.
- State tax
- 4.225%
- County tax (Washington)
- 2.5%
- City tax (Irondale)
- 1.5%
- Special district tax
- 0%
- Combined rate
- 8.225%