Tontitown is a city in northern Washington County, Arkansas, United States. The community is located in the Ozark Mountains and was founded by Italian settlers in 1898. Known for its grapes and wines, Tontitown has hosted the Tontitown Grape Festival continuously since 1898. It is part of the Northwest Arkansas region, serving as a bedroom community for larger neighbors Fayetteville and Springdale. The town experienced a 160% growth in population between the 2000 and 2010 censuses.