Taxes are very reasonable in Thermopolis and are designed to facilitate the success of businesses and residents alike. The State of Wyoming has no personal income, corporate income, or inventory taxes. There is a retail sales tax of 5%. Current local taxes include a residentail property tax of 9.5% market value, and an industrial property tax of 11.5%. There is a City Mill Levy of 8 mills, and a County Mill Levy of 12 mills.