Sioux Falls (Lakota: Íŋyaŋ Okábleča Otȟúŋwahe; "Stone Shatter City") is the largest city in the U.S. state of South Dakota. It is the county seat of Minnehaha County, and also extends into Lincoln County to the south. It is the 47th fastest-growing city in the United States and the fastest-growing metro area in South Dakota, with a population increase of 22 etween 2000 and 2010.