Wyoming Sales Tax Rates: Natrona County
Natrona County, Wyoming Sales Tax Rate 2026 Up to 6%
A county-wide sales tax rate of 1% is applicable to localities in Natrona County, in addition to the 4% Wyoming sales tax.
Some cities and local governments in Natrona County collect additional local sales taxes, which can be as high as 1%.Here's how Natrona County's maximum sales tax rate of 6% compares to other counties around the United States:
- Higher maximum sales tax than 92% of Wyoming counties
- Lower maximum sales tax than 77% of counties nationwide
Tax Rates By City in Natrona County, Wyoming
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Wyoming has a 4% sales tax and Natrona County collects an additional 1%, so the minimum sales tax rate in Natrona County is 5% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Natrona County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Casper | 6% | Casper |
| Evansville | 5% | Evansville |
| Mills | 6% | Casper |
| Alcova | 5% | Natrona |
| Arminto | 5% | Natrona |
| Edgerton | 5% | Edgerton |
| Midwest | 5% | Midwest |
| Natrona | 6% | Casper |
| Powder River | 5% | Natrona |
Wyoming Sales Tax Rates by Zip Code:
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Natrona County, Wyoming has a maximum sales tax rate of 6% and an approximate population of 61,988.
Sales tax rates in Natrona County are determined by five different tax jurisdictions, Casper, Edgerton, Evansville, Midwest and Natrona.
Back to Wyoming Sales Tax Handbook Sales tax rates for Natrona County are current as of June 2026