For 2026, the sales tax rate in Sweetwater County, Wyoming stands at 6% — a combination of the 4% state rate and 2% local levy. The county's 42,343 residents make it an important market in the region.
For a $500 purchase in Sweetwater County, the sales tax would be $30.00, bringing the total to $530.00.
Business Compliance in Sweetwater County
Businesses must register with the Wyoming Department of Revenue to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 42,343, Sweetwater County offers significant market potential for businesses of all sizes.