The current Kansas state Sales tax rate is 6.5%. In addition to the state tax rate, Pottawatomie collects an additional 1% in sales tax, making sales tax across the county a minimum of 7.5%. Some townships have additional sales tax rates. See the chart below to see the sales tax rates for each township in the county. 

For reference, the city-wide tax in the Riley County portion of Manhattan is also generally 8.950%,  but several city areas fall in special taxing districts with higher sales tax percentages. To find the sales tax rate for a specific address, use the Kansas Department of Revenue’s Address Tax Rate Search.