The sales tax rate in Colorado is currently set at 2.9 percent. However, it is important to note that this state-level tax can be supplemented by local jurisdictions, which may impose additional sales tax rates. As a result, the total sales tax rate can vary depending on the city or county in which a purchase is made. Some areas may have a combined total sales tax rate that exceeds 10 percent when both state and local taxes are considered. To find the specific sales tax rate applicable to a particular location, one can refer to the Colorado Department of Revenue, which provides detailed information on its current web page. It is always a good idea to verify the most up-to-date rates, as these can change from time to time.