The Wyoming state sales tax rate is 4.0% in 2026. When county and city taxes are added, the combined rate ranges from 4.0% in areas with no local additions up to 6.0% in the highest-taxed jurisdictions. The most populated areas of Wyoming — including Laramie County — have a combined rate of 6.0%.
Wyoming has no state income tax and a low sales tax rate. It taxes groceries at the full rate. Wyoming and South Dakota are the two no-income-tax states with the simplest overall tax structures.
💡 Quick Reference: $100 purchase in Wyoming at the average combined rate costs approximately $105.00 after tax. Use the calculator above to find the exact amount for any county or city in Wyoming.
Groceries in Wyoming are taxable at full rate in Wyoming. Clothing purchases are taxable at full rate. Prescription drugs and medical devices are generally exempt from sales tax in Wyoming, as they are in most US states.
Common Wyoming Sales Tax Exemptions
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Prescription Medicine
Prescription drugs are fully exempt from Wyoming sales tax.
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Grocery Food
Unprepared groceries are taxable at full rate in Wyoming in Wyoming.
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Manufacturing Equipment
Equipment used directly in manufacturing is generally exempt.
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Agricultural Supplies
Seeds, livestock, and farm feed are generally exempt in Wyoming.
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Clothing
Clothing is taxable at full rate in Wyoming.
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Textbooks
Textbooks for educational use are often exempt or reduced rate.
How Does Wyoming Sales Tax Work?
Sales tax in Wyoming is collected at the point of purchase by retailers and remitted to the Wyoming Department of Revenue. The total rate you pay is the sum of the Wyoming state rate (4.0%) plus any applicable county and city rates in your location.
Businesses with a physical presence in Wyoming — including offices, warehouses, or employees — have sales tax nexus and must collect and remit Wyoming sales tax. Since the 2018 Supreme Court ruling in South Dakota v. Wayfair, remote sellers with $100,000+ in Wyoming annual sales or 200+ Wyoming transactions must also register and collect Wyoming sales tax even without a physical presence.
📅 Wyoming Sales Tax Filing: Returns are typically due on the 20th of the month following the reporting period. Filing frequency (monthly, quarterly, or annual) is assigned by the Wyoming Department of Revenue based on your sales volume. File and pay online through the Wyoming state tax portal.
The Wyoming state sales tax rate is 4.0% in 2026. With county and city additions, combined rates range from 4.0% to 6.0% depending on your location. The most common combined rate in populated Wyoming counties is around 5.0%. Use the calculator above to find the exact rate for your specific county and city.
Groceries in Wyoming are taxable at full rate in Wyoming. This applies to unprepared food items purchased at grocery stores. Prepared food (restaurant meals, hot food from a deli counter) is generally taxed at the full combined rate regardless of state grocery exemptions.
To calculate Wyoming sales tax, multiply your purchase amount by the combined rate (as a decimal). For example, a $200 purchase in Laramie County at 6.0%: $200 × 0.60 = $12.00 in sales tax, making the total $212.00. Or simply use the free Wyoming sales tax calculator at the top of this page.
Yes, if you meet Wyoming’s economic nexus threshold. Remote sellers must collect and remit Wyoming sales tax if they have $100,000 or more in Wyoming sales or 200+ separate Wyoming transactions in a calendar year. This applies to all online sellers including Amazon FBA sellers, Shopify stores, and marketplace sellers. Marketplace facilitators like Amazon, Etsy, and eBay collect and remit on behalf of their sellers in Wyoming.
Most services are not subject to Wyoming sales tax, which primarily applies to the sale of tangible personal property. However, certain services are taxable in Wyoming — including some digital services, repair services, and services that are inseparable from a taxable product. Consult the Wyoming Department of Revenue or a tax professional for guidance on specific service types.
The highest combined sales tax rate in Wyoming is 6.0%, which occurs in areas with the maximum local tax additions on top of the 4.0% state base rate. The lowest rate is the state base rate of 4.0% in areas with no local taxes. See the county-by-county table above for the exact rate in each area of Wyoming.