Riverton, Wyoming Sales Tax Rate

Enter a price to calculate Riverton sales tax at the 5.000% combined local rate, and see the tax amount and final total for 2026.

✓ Riverton Combined Rate✓ Wyoming State Tax✓ 2026 Tax Table

The price before sales tax is added.

Fixed rate for Riverton (Fremont).

📊

Embed this tool: Add this 2026 tax engine to your blog or financial portal.Clean UI · Excel-Ready Data · Quarterly Audited

Get Premium Widget →

Welcome to the local rate overview. The Riverton, Wyoming sales tax rate is 5.000% in 2026. This combined rate includes the Wyoming base rate of 4.000% plus applicable local option taxes in the transaction jurisdiction (the local portion is 1.000%). Use the calculator above to easily determine tax totals.

🔄

Need to Calculate the Pre-Tax Price Instead?

If you have the total receipt or checkout price and need to work backward to find the original item price before tax was added, use our specialized tool.

Reverse Calculator →

📍 ZIP Codes Commonly Associated With Riverton, WY

The following ZIP codes are commonly associated with Riverton, Wyoming. Sales tax can depend on the exact address, especially near city or county boundaries, so businesses should verify address-level rates before filing.

82501

Riverton Economic & Tax Profile

Riverton's 5% rate is the Wyoming standard. As the gateway to the Wind River Indian Reservation and the Wind River Mountains, the economy blends energy, tribal government, and tourism.

Riverton is the largest city in Fremont County and a gateway to the Wind River Indian Reservation. The economy is a mix of energy, tribal government, and outdoor recreation.

Key Industries

Energy (oil/gas/uranium), healthcare, education, tribal government, retail, agriculture

Known For

Wind River Indian Reservation, Central Wyoming College, Wind River Mountains recreation, Riverton Museum, Popo Agie River, Sinks Canyon State Park (nearby)

Local Tax Authority

WY Dept of Revenue / Fremont County

Tourism & Visitor Economy

Moderate — Wind River Mountains (hiking, fishing, climbing), Sinks Canyon, Wind River Indian Reservation cultural sites

Special Tax Rules for Riverton

  • Combined rate 5% (state 4% + Fremont County 1%)
  • Groceries exempt
  • No state income tax
  • Clothing taxable
  • Wind River Reservation has unique tribal tax considerations

How Riverton Compares to Wyoming

At 5%, Riverton's rate is the standard Wyoming county rate.

Industry-Specific Tax Guidance

The Wind River Indian Reservation adds unique tribal economic dynamics and cross-boundary commerce.

County-Level Tax Details

Fremont County's standard 1% add-on keeps Riverton at 5%.

Riverton Sales Tax Rate — Economic Context & Calculation

Riverton is in west-central Wyoming at the confluence of the Wind and Popo Agie Rivers. The economy is driven by energy (oil/gas/uranium), healthcare (SageWest Health), education (Central Wyoming College), and the Wind River Indian Reservation (Eastern Shoshone and Northern Arapaho).

The combined sales tax rate in Riverton is 5.000%, composed of the Wyoming state rate of 4.000% plus a local portion of 1.000%.

The formula to calculate sales tax for any purchase:

Mathematical Formula
Sales Tax Amount = Taxable Price × Combined Tax Rate

For a $150.00 purchase in Riverton: tax is $7.50 ($150.00 × 0.05000), total is $157.50.

Student & Campus-Related Sales Tax Rules in Riverton

As home to Central Wyoming College, Riverton's retail calendar bends around the academic year — and so does its sales tax exposure. What students, parents, and campus vendors actually pay tax on:

  • Textbooks & Course Materials: Generally taxable in Wyoming like any retail purchase — check the campus bookstore's posted policy for any narrow campus-channel exemption
  • Meal Plans & Dining: University-operated dining halls and prepaid meal plans are often exempt as institutional food service; off-campus restaurant dining is taxable at the full 5.000% rate
  • Student Housing/Rent: Generally not subject to sales tax (real property rental)
  • Technology Purchases: Laptops, tablets, software — generally taxable unless specific student exemption exists

Textbook & Course Material Tax Exemptions in Wyoming

Most states treat textbooks as ordinary taxable retail goods; a minority — New York, Connecticut, Minnesota, and New Jersey among them — exempt required course materials, in some cases only when sold through campus channels. Where Central Wyoming College students buy course materials:

  • Campus bookstores (official university/college stores)
  • Off-campus bookstores with institutional agreements
  • Online retailers with institutional partnerships

Where an exemption exists, it typically requires proof of enrollment and applies only to required texts — not recommended reading or general supplies. Where none exists, the full 5.000% combined rate applies at every one of these channels — a $400 textbook semester carries about $20.00 of tax in Riverton.

Campus Vendor & Event Tax Compliance in Riverton

Vendors working Central Wyoming College game days, move-in weekends, and campus events — food trucks, pop-up shops, merchandise sellers — must navigate:

  • Campus Food Vendors: Subject to full 5.000% rate; meal plan purchases may have different treatment
  • Event Merchandise: T-shirts, memorabilia at sporting events/concerts — taxable at full 5.000%
  • Student Organization Sales: Fundraising sales by recognized student orgs may qualify for exemptions — verify with WY Dept of Revenue / Fremont County
  • Campus Bookstore: Often operates as institutional agent with specific exemption protocols

Parent & Visitor Tax Guide for Riverton Campus Events

Parents visiting Central Wyoming College for orientation, graduation, and game weekends should budget for tax on nearly everything but the parking:

  • Hotel/lodging: sales tax plus any local occupancy tax — confirm the current stack with WY Dept of Revenue / Fremont County
  • Restaurant meals: full 5.000% rate — a $120 family dinner carries $6.00 of tax
  • Campus bookstore purchases: merchandise is taxable; textbook treatment follows Wyoming's rules (see above)
  • Game day tickets: admissions taxability varies by state; parking is often a nontaxable service

How Riverton's Rate Compares to Nearby Cities

Riverton shoppers and businesses routinely cross into Lander, Dubois, Casper and beyond — and in Wyoming, the combined rate can change at those lines. Of the tracked neighbors, Casper charges 6.000%, Jackson charges 7.000% and Thermopolis charges 6.000% versus Riverton's 5.000%.

  • Lander (15 mi S): outside our tracked Wyoming city set — verify its current combined rate before invoicing deliveries there
  • Dubois (75 mi NW): outside our tracked Wyoming city set — verify its current combined rate before invoicing deliveries there
  • Casper (120 mi E): combined rate 6.000% see the Casper page
  • Jackson (160 mi NW): combined rate 7.000% see the Jackson page
  • Thermopolis (60 mi NE): combined rate 6.000% see the Thermopolis page

Deliveries are taxed by the destination rules Wyoming applies, not by where the store sits — when an order ships across one of these city lines, re-check the rate for the exact address.

Economic Nexus & Compliance for Remote Sellers

Since South Dakota v. Wayfair, a seller with no premises, staff or stock anywhere near Riverton can still be required to register in Wyoming and charge 5.000% on what it ships here — presence stopped being the trigger and volume took over. The thresholds that decide it are in the table below; what they do not tell you is that crossing them obliges you to collect at the buyer's local rate, not a state average, which is why Riverton and its neighbours have to be priced separately. The registration mechanics and the trailing-twelve-month counting rules are in the economic nexus guide.

Taxing AuthorityWY Dept of Revenue / Fremont County
State Sourcing ModelWyoming sales tax is administered by the Wyoming Department of Revenue.
Economic Nexus Threshold$100,000 in gross sales, revenue-only with no transaction test, measured over the current or previous calendar year. Transaction test repealed effective July 1, 2024.
Rate at this address4.000% state + 1.000% local = 5.000%
Local jurisdictionFremont County · 1 ZIP code
Filing FrequencyMonthly, Quarterly, or Annually (determined by state-assigned brackets)
Standard Due DateTypically on or before the 20th of the month following the filing period

Audit & Compliance Warning: Because combined tax rates combine state and local tax components, calculating tax based purely on ZIP codes can lead to errors. Many ZIP codes span multiple municipal boundaries with differing rates. For precise auditing, always use address-level geo-lookup.

Use Tax, Registration & Resale Rules for Riverton Businesses

Three obligations follow the 5.000% rate around Riverton: untaxed out-of-state purchases delivered here owe matching use tax — $50.00 on a $1,000 order — self-assessed to WY Dept of Revenue / Fremont County; sellers with physical presence or economic nexus must register before collecting; and wholesale sales need a valid resale certificate on file at transaction time. Filing mechanics, exemption certificates, and audit preparation are covered in the Wyoming sales tax guide.

Energy Equipment & Renewable Incentives

Riverton's energy sector may qualify for equipment exemptions on drilling, production, pipeline, and renewable energy equipment. Federal ITC/PTC credits also available for qualified projects.

Medical Equipment & Prescription Tax Exemptions

Prescription drugs are exempt from sales tax in Wyoming. Medical equipment purchased by licensed providers in Riverton may qualify for exemptions — verify with WY Dept of Revenue / Fremont County.

Other Cities in Wyoming

Need to calculate sales tax for another location in Wyoming? Choose a city below to view the exact rate breakdown.

Quick Lookup:Afton sales tax calculator (or view Afton sales tax rate)Buffalo sales tax calculator (or view Buffalo sales tax rate)Casper sales tax calculator (or view Casper sales tax rate)

For informational purposes only. Tax rates change frequently — verify with your state's Department of Revenue before filing. This tool is not a substitute for professional tax advice.

· Rate source metadata is tracked in the TaxesLedger tax data registry.

M. Imtinan Farooq — Data Engineer focused on financial data systems

Data methodology reviewed by M. Imtinan FarooqData Engineer focused on financial data systems.

Imtinan specializes in financial data systems and multi-state US sales tax modeling. With hands-on experience building data pipelines that attach source metadata, confidence labels, and verification status to tax records, he helps keep TaxesLedger rates auditable and easier to refresh. This is an educational calculator, not tax, accounting, or legal advice. LinkedIn

Data Sources: State DORs · Canada Revenue Agency · EU VAT authorities · Tax Foundation references

2026 sales tax rates by state

Select a state to see its detailed 2026 sales tax calculator and formula.

StateState RateAvg. LocalCombined
Alabama4.00%5.46%9.46%
Alaska0.00%1.82%1.82%
Arizona5.60%2.77%8.37%
Arkansas6.50%2.98%9.48%
California7.25%1.78%9.03%
Colorado2.90%4.82%7.72%
Connecticut6.35%0.00%6.35%
Delaware0.00%0.00%0.00%
Florida6.00%1.05%7.05%
Georgia4.00%3.37%7.37%
Hawaii4.00%0.50%4.50%
Idaho6.00%0.02%6.02%
Illinois6.25%2.73%8.98%
Indiana7.00%0.00%7.00%
Iowa6.00%0.94%6.94%
Kansas6.50%2.21%8.71%
Kentucky6.00%0.00%6.00%
Louisiana5.00%5.13%10.13%
Maine5.50%0.00%5.50%
Maryland6.00%0.00%6.00%
Massachusetts6.25%0.00%6.25%
Michigan6.00%0.00%6.00%
Minnesota6.88%1.27%8.14%
Mississippi7.00%0.06%7.06%
Missouri4.22%4.10%8.33%
Montana0.00%0.00%0.00%
Nebraska5.50%1.46%6.96%
Nevada6.85%1.39%8.24%
New Hampshire0.00%0.00%0.00%
New Jersey6.63%0.00%6.63%
New Mexico4.88%2.81%7.68%
New York4.00%4.54%8.54%
North Carolina4.75%2.22%6.97%
North Dakota5.00%1.85%6.85%
Ohio5.75%1.48%7.23%
Oklahoma4.50%4.56%9.06%
Oregon0.00%0.00%0.00%
Pennsylvania6.00%0.34%6.34%
Rhode Island7.00%0.00%7.00%
South Carolina6.00%1.43%7.43%
South Dakota4.20%1.91%6.11%
Tennessee7.00%2.61%9.61%
Texas6.25%1.95%8.20%
Utah4.85%2.21%7.06%
Vermont6.00%0.24%6.24%
Virginia4.30%1.47%5.77%
Washington6.50%3.07%9.57%
Washington D.C.6.00%0.00%6.00%
West Virginia6.00%0.39%6.39%
Wisconsin5.00%0.72%5.72%
Wyoming4.00%1.39%5.39%

Frequently asked questions

Quick answers to the most common questions users ask.

What is the sales tax rate in Riverton, Wyoming?
Riverton's combined rate is 5%, consisting of Wyoming's 4% state rate and Fremont County's 1% add-on.
How much sales tax is charged on a $100 purchase in Riverton?
On a $100.00 purchase in Riverton, the sales tax is $5.00 ($5.00 = $100.00 × 0.05000), bringing the total to $105.00.
Are groceries taxed in Wyoming?
No. Most food for home consumption is exempt from Wyoming sales tax. Prepared food, candy, and soft drinks are taxable at the full combined rate.
Does Wyoming have a state income tax?
No. Wyoming has no state income tax. The state relies on sales tax, property tax, and mineral extraction taxes (coal, oil, gas).
Is sales tax higher in Riverton or Casper?
Casper charges the higher combined rate: Casper is at 6.000% versus Riverton's 5.000% — a 1.000 percentage-point difference on every taxable purchase across the line.
Are groceries taxed in Riverton?
Groceries and unprepared food items are exempt from Wyoming sales tax. Prepared foods and restaurant meals are generally taxed at the full combined rate of 5.000%.
What county is Riverton located in?
Riverton is located in Fremont, which may levy a local tax portion included in the combined rate of 5.000%.
Which ZIP codes are commonly associated with Riverton?
ZIP codes commonly associated with Riverton include: 82501. ZIP code boundaries can cross municipal lines, so verify the sales tax rate for the exact street address when filing.

More free tax tools to help with calculations, compliance, and business tax planning.

Comparison

Sales Tax by State

Compare 2026 state, county, and local sales tax rates side-by-side. Analyze combined tax brackets and identify states with zero sales tax.

Open tool
Business

Remove Sales Tax Calculator

Back out sales tax from receipts, business expenses, and invoices. Separate pre-tax revenue from tax liabilities with exact reverse calculations.

Open tool
Forward

Add Sales Tax Calculator

Add sales tax to any transaction. Instantly apply current 2026 rates for all 50 states to compute the correct tax amount and total price.

Open tool
Dining

Tip & Tax Calculator

Split dining bills, calculate tips, and apply sales tax in seconds. Perfect for groups, business lunches, and ensuring fair, itemized splits.

Open tool
Ecommerce

Multi-State Sales Tax Calculator

Calculate multi-state sales tax obligations in a single batch. Crucial for e-commerce sellers managing Wayfair economic nexus thresholds.

Open tool
Compliance

Economic Nexus Calculator

Check economic nexus against all 51 US sales tax jurisdictions at once. Enter your revenue and transaction count to see exactly where you may owe sales tax.

Open tool
Accounting

Sales Tax Reconciliation Calculator

Reconcile monthly gross receipts and isolate sales tax liabilities for state tax returns. Perfect for e-commerce, retail, and QuickBooks audits.

Open tool
Seasonal

Sales Tax Holiday Calculator

Track all active 2026 tax-free weekends and back-to-school sales tax holidays. Filter by state to maximize seasonal savings on apparel & electronics.

Open tool