Oklahoma Sales Tax Rates: Washington County
Washington County, Oklahoma Sales Tax Rate 2025 Up to 8.9%
A county-wide sales tax rate of 1% is applicable to localities in Washington County, in addition to the 4.5% Oklahoma sales tax.
Some cities and local governments in Washington County collect additional local sales taxes, which can be as high as 3.4%.Here's how Washington County's maximum sales tax rate of 8.9% compares to other counties around the United States:
- Lower maximum sales tax than 97% of Oklahoma counties
- Higher maximum sales tax than 78% of counties nationwide
Tax Rates By City in Washington County, Oklahoma
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Oklahoma has a 4.5% sales tax and Washington County collects an additional 1%, so the minimum sales tax rate in Washington County is 5.5% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Washington County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Bartlesville | 8.9% | Bartlesville |
| Dewey | 8.9% | Dewey |
| Ramona | 7.5% | Ramona |
| Ochelata | 8.9% | Bartlesville |
| Copan | 8.5% | Copan |
| Vera | 7.5% | Vera |
Oklahoma Sales Tax Rates by Zip Code:
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Washington County, Oklahoma has a maximum sales tax rate of 8.9% and an approximate population of 41,505.
Sales tax rates in Washington County are determined by five different tax jurisdictions, Bartlesville, Copan, Dewey, Ramona and Vera.
Back to Oklahoma Sales Tax Handbook Sales tax rates for Washington County are current as of June 2025
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