Thursday, November 12, 2026
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73666 Sales Tax Rate

ZIP code 73666 (Sweetwater, OK) covers 5 sales tax areas with combined rates from 4.85% to 7%. See the state, county, city and special district breakdown and calculate the tax. Rates effective August 2024.

Tax area 1: Sweetwater, Roger Mills County

State tax
4.5%
County tax (Roger Mills)
1.5%
City tax (Sweetwater)
1%
Special district tax
0%
Combined rate
7%

Tax area 2: Unincorporated Roger Mills County

State tax
4.5%
County tax (Roger Mills)
1.5%
City tax
0%
Special district tax
0%
Combined rate
6%

Tax area 3: Sweetwater, Beckham County

State tax
4.5%
County tax (Beckham)
0.35%
City tax (Sweetwater)
1%
Special district tax
0%
Combined rate
5.85%

Tax area 4: Unincorporated Beckham County

State tax
4.5%
County tax (Beckham)
0.35%
City tax
0%
Special district tax
0%
Combined rate
4.85%

Tax area 5: Sweetwater area (special taxing district)

State tax
4.5%
County tax
0%
City tax
0%
Special district tax
0.35%
Combined rate
4.85%

Source: Oklahoma: Streamlined Sales Tax rate and boundary files (OKR2026Q4AUG17.zip), rates in effect October 1, 2026. Effective August 2024.