Tuesday, November 10, 2026
Tax Rate Center The Complete US Sales Tax & Calculator Directory

66521 Sales Tax Rate

ZIP code 66521 (Onaga, KS) covers 4 sales tax areas with combined rates from 7.5% to 8.5%. See the state, county, city and special district breakdown and calculate the tax. Rates effective January 2023.

Tax area 1: Onaga, Pottawatomie County

State tax
6.5%
County tax (Pottawatomie)
1%
City tax (Onaga)
1%
Special district tax
0%
Combined rate
8.5%

Tax area 2: Unincorporated Nemaha County

State tax
6.5%
County tax (Nemaha)
1.5%
City tax
0%
Special district tax
0%
Combined rate
8%

Tax area 3: Unincorporated Pottawatomie County

State tax
6.5%
County tax (Pottawatomie)
1%
City tax
0%
Special district tax
0%
Combined rate
7.5%

Tax area 4: Wheaton, Pottawatomie County

State tax
6.5%
County tax (Pottawatomie)
1%
City tax (Wheaton)
0%
Special district tax
0%
Combined rate
7.5%

Source: Kansas: Streamlined Sales Tax rate and boundary files (KSR2026Q4AUG19.zip), rates in effect October 1, 2026. Effective January 2023.