Sales Tax

Lamar, MO Sales Tax Rate

The current total local sales tax rate in Lamar, MO is 7.725%. Effective October 1, 2024, the rate will be 8.975%.

Sales Tax Breakdown

DistrictRate
Missouri State4.225%
Barton County1.750%
Lamar2.500%
Total8.475%


Park/Stormwater 0.500%
Total8.975%