From the City of Shawnee OK - FAQ http://bit.ly/h8fAlw The sales tax rate for the City of Shawnee is 8.5% on each dollar. The State of Oklahoma receives 4.5%, the City of Shawnee receives 3% and Pottawatomie County receives the remaining 1%. This means three cents of every dollar spent in Shawnee provides funds for operation of the city.