Just 5 miles West of Rapid City, in the beautiful Piedmont Valley sits the quiet community of Black Hawk. This small town is home to roughly 3,000, an elementary school and mostly residential developments. Sharing the same zip code (57718) is Summerset, SD which is of the newest towns in South Dakota, incorporated in 2005. Summerset has an estimated population of 2,000 residents. These sister towns are close in proximity to Sturgis & Rapid City, with easy access to I-90.