Sales Tax in Green River, Wyoming in 2025

We'll walk you through how the sales tax rate is determined for Green River and address some common questions you may have. We'll also cover how to collect, audit, and remit sales tax in Green River.

Plus, we’ll share the best solution that will ensure you are always compliant across the entire sales tax lifecycle.

Disclaimer: Our sales tax data is updated on a quarterly basis. 

Green River Sales Tax Rate 2025

Green River is located in Sweetwater County in Wyoming, United States, and has a sales tax rate of 6.00%. This includes local and state sales tax rates.

Here is the breakdown of the Green River's sales tax:

Tax Jurisdiction	Sales Tax Rate
State Tax	4.00%
County Tax	2.00%
Combined Rate	6.00%

This rate applies to the following zip codes in Green River:

District	Zip Codes	Combined Sales Tax Rate
Sweetwater County	82935	6.00%

How Does the Green River Sales Tax Compare to the Rest of Wyoming?

Green River’s 6.00% sales tax rate is the highest rate you can find in Wyoming. It is 2.00% higher than Wyoming’s lowest rate, which is 4.00% and can be found in Marbleton, among other places.

To give you a better idea, here’s a comparison of Green River sales tax rates with a few other cities in Wyoming:

City	Sales Tax Rates
Wilson	7.00%
Guernsey	6.00%
Green River	6.00%
Granite Canon	6.00%
Big Piney	4.00%

What Creates Sales Tax Nexus in Green River?

Green River follows the same sales tax nexus rules as Wyoming, with no extra exemptions. 

Read More: Check out this detailed guide on Sales Tax in Wyoming.

You have sales tax nexus in Green River if you fulfill any of these conditions:

• Physical nexus: Businesses that operate a physical storefront and sell tangible personal property. 
• Economic nexus: Remote sellers with more than $100,000 in gross sales in Wyoming during the current or previous calendar year.

Learn more about sales tax nexus and when you’re required to collect sales tax.

What Products Are Exempt from Green River Sales Tax?

Green River applies the same sales tax rules as Wyoming's.

The following items are exempt from sales tax in Green River:

• Sales of livestock and feed used for raising livestock or poultry for sale
• Sales of seeds, roots, bulbs, young plants, and fertilizers applied to land for growing products intended for sale are exempt.
• Sales of power or fuel used directly in manufacturing, processing, or agricultural operations by businesses engaged in those activities are exempt.
• Intrastate transportation of sick, injured, or deceased individuals by a public utility or other provider using an ambulance.
• Sales of some medicines sold under a prescription, including oxygen, prosthetic devices, and hearing aid.

Who Needs a Sales Permit in Green River?

If your business sells items covered by an imposition statute (law that defines which sales must be taxed) in Green River, you must register for a Wyoming sales tax license and collect the applicable tax.

How to File and Pay Sales Tax in Green River

You can file Green River sales tax returns using the these methods:

• Automated: Let Zamp handle your Wyoming sales tax filing and remittance so you won’t have to deal with sales tax returns ever again.
• File online: Pay online at the Wyoming Internet Filing System Website.