Wyoming is the least populous state, and low density sets the shipping question

A shipping tier plan that treats distance as a cost line

1. Before you set a threshold

   Pull your last ten Wyoming deliveries from your carrier account and write down what each cost you to ship, as planning advice and not a state rule. With about 6.06 residents per square mile by our arithmetic, addresses are far apart, so the ten costs will spread more than a set from a dense state does. If the highest is far above the median, a free shipping tier set to the median will lose money on the farthest orders.

   Source: U.S. Census Bureau: State Area Measurements (2010) and Vintage 2025 estimates, density is our computation

2. When you size the tier

   Work one example with your own numbers. Assume the median Wyoming parcel costs you 9 dollars to ship and your gross margin is 45 percent: a 60 dollar order earns 27 dollars of margin before shipping, so free shipping takes a third of it, while a 120 dollar order earns 54 dollars and gives up one sixth. The tier belongs at the order value where giving up that cost still leaves the margin you need. All three figures are assumptions for the arithmetic.

3. When you quote tax

   Charge the combined rate for the delivery address. The Legislature lists the state rate as 4 percent with a 0 to 3 percent local option, and the Department of Revenue says the local taxes come in several kinds, including a resort district tax for Teton Village and Grand Targhee. The Division's Tax Rates page links a rate chart and says its address lookup is still being built, so check the chart for an address before you assume the state rate. This is not tax advice.

   Source: Wyoming Department of Revenue: Wyoming Sales and Use Tax Distribution (August 22, 2025)

4. Memorial Day to Labor Day, May 31 to Sept. 6, 2027

   The Park Service says over 80 percent of Devils Tower visits fall in this window. Treat it as a month-level demand season for outdoor and travel products shipped to Wyoming addresses, and review your tier on the Monday before it starts. We do not have a source for how park visits change online orders, so measure your own order dates before you spend on it.

   Source: U.S. Office of Personnel Management: Federal holidays (2027)

5. When your Wyoming sales grow

   Check the remote seller test once a year. The enrolled act sets it at gross revenue from deliveries into Wyoming above 100,000 dollars in the current or the preceding calendar year, with no transaction count after July 1, 2024. The act's text says every vendor, a term that includes a remote seller to the extent provided by section 39-15-501, must obtain a sales tax license, so a store that crosses the line should ask the Department of Revenue how to register.

   Source: Wyoming Legislature: Enrolled Act No. 38, House of Representatives (HB0197, 2024)

Build it with the Shipping discount tiers template.

Requires: Growth plan or higher.

Questions merchants ask

What is Wyoming's sales tax rate?

The Wyoming Legislature's summary of the state's taxes lists the sales and use tax as 4 percent statewide with a 0 to 3 percent local option. The Department of Revenue's presentation to the Joint Revenue Interim Committee says the local share is generally 1 to 2 percent, and the Excise Tax Division's rate chart has the combined rate for each jurisdiction. This is not tax advice; confirm with the Wyoming Department of Revenue.

When does an out-of-state store have to collect Wyoming sales tax?

Under W.S. 39-15-501 as amended by Enrolled Act No. 38 in 2024, a seller without a physical presence in Wyoming remits sales tax once its gross revenue from goods, admissions or services delivered into the state exceeds 100,000 dollars in the current or the immediately preceding calendar year. The act repealed subsection (a)(ii) and took effect July 1, 2024. This is not tax advice.

Is there one tool that gives the rate for a Wyoming address?

Not yet, according to the Excise Tax Division. Its Tax Rates page links a rate chart and a jurisdiction table and says it is currently working on an address lookup search. Use the chart until the lookup is published, and check the page again before you rely on a memory of a rate.

Why does density matter for a free shipping offer?

Wyoming has about 6.06 residents per square mile of land by our arithmetic on two Census tables, second-lowest after Alaska. Distance between customers makes the cost of one delivery vary more, so a tier set to an average can lose money on the far orders. This is planning advice from us, and your own carrier data is the test.

Does a Wyoming resort district tax apply to an online order?

The Department of Revenue's presentation names a resort district tax for Teton Village and Grand Targhee but says nothing about shipments to those places, so we cannot say whether it applies to a delivered order. Ask the Department of Revenue about your own case before you assume it does not.

Related reading

• Flat Rate vs Free Shipping Threshold
• Free Shipping Threshold: The Formula
• Shipping Costs and Margin: A Worked Model

Dates to plan around

1. May 31, 2027 to Sep 6, 2027Devils Tower peak window, Memorial Day to Labor Day (NPS: over 80 percent of visits)National Park Service: Devils Tower National Monument, Basic Information
2. Jul 23, 2027 to Aug 1, 2027Cheyenne Frontier Days, July 23 to Aug. 1, 2027 (as posted by the organizer)Cheyenne Frontier Days: home page (Internet Archive snapshot of Sept. 17, 2026)

The year at a glance

Facts and sources

• The Wyoming Legislature's Legal and Budget/Fiscal Divisions list the sales tax and the use tax each as 4 percent statewide with a 0 to 3 percent local option in their June 3, 2025 summary of the state's tax rates and collections.

  Wyoming Legislative Service Office: Wyoming Statutory Tax Structure, Title 39 (June 3, 2025) (accessed October 11, 2026)

• Enrolled Act No. 38 (HB0197, 2024 budget session) amended W.S. 39-15-501 so that a seller without a physical presence in Wyoming remits sales tax once its gross revenue from tangible personal property, admissions or services delivered into the state exceeds 100,000 dollars in the current or the immediately preceding calendar year; its section 2 repeals subsection (a)(ii) of that statute, and section 3 makes the act effective July 1, 2024.

  Wyoming Legislature: Enrolled Act No. 38, House of Representatives (HB0197, 2024) (accessed October 11, 2026)

• The Department of Revenue's August 22, 2025 presentation to the Joint Revenue Interim Committee names five local sales and use tax types besides the statewide 4 percent, the general purpose, specific purpose, economic development and municipal option taxes and a resort district tax for Teton Village and Grand Targhee, and describes the local share of the sales and use tax as generally 1 to 2 percent.

  Wyoming Department of Revenue: Wyoming Sales and Use Tax Distribution (August 22, 2025) (accessed October 11, 2026)

• The Excise Tax Division's Tax Rates page links a sales and use tax rate chart and a jurisdiction table, and states that the division is currently working on its address lookup search.

  Wyoming Department of Revenue, Excise Tax Division: Tax Rates (accessed October 11, 2026)

• The Census Bureau's Vintage 2025 state estimates put Wyoming at 588,753 residents on July 1, 2025, the lowest of the 50 states by our sort, with Vermont next at 644,663 and Alaska third at 737,270.

  U.S. Census Bureau: Vintage 2025 state population estimates (rank is our sort) (accessed October 11, 2026)

• Wyoming has 97,093 square miles of land area and 97,813 square miles in total.

  U.S. Census Bureau: State Area Measurements (2010) (accessed October 11, 2026)

• Dividing the Vintage 2025 resident population by the 2010 land area gives Wyoming 6.06 residents per square mile, second-lowest of the 50 states after Alaska at 1.29, with Montana third at 7.86; the figures are our arithmetic on the two Census tables.

  U.S. Census Bureau: State Area Measurements (2010) and Vintage 2025 estimates, density is our computation (accessed October 11, 2026)

• The Census Bureau's Vintage 2025 estimate for Cheyenne is 66,507 residents, against an April 2020 estimates base of 65,386.

  U.S. Census Bureau: Annual Estimates of the Resident Population for Incorporated Places (Vintage 2025, SUB-EST2025) (accessed October 11, 2026)

• The National Park Service says Yellowstone National Park welcomed 4,762,988 recreation visits in 2025, in a release dated March 17, 2026.

  National Park Service: Yellowstone National Park Sees 4,762,988 Visits in 2025 (accessed October 11, 2026)

• The National Park Service's basic information page for Devils Tower National Monument says the park sees around 500,000 visitors per year and that over 80 percent of visitors come between Memorial Day and Labor Day.

  National Park Service: Devils Tower National Monument, Basic Information (accessed October 11, 2026)

• The Office of Personnel Management's 2027 table lists Memorial Day as Monday, May 31 and Labor Day as Monday, September 6, which bound the Memorial Day to Labor Day window in 2027.

  U.S. Office of Personnel Management: Federal holidays (2027) (accessed October 11, 2026)

• Cheyenne Frontier Days' home page, as the Internet Archive saved it on September 17, 2026, prints the 2027 dates as July 23-August 1, 2027.

  Cheyenne Frontier Days: home page (Internet Archive snapshot of Sept. 17, 2026) (accessed October 11, 2026)