Sioux Falls ( soo FAWLZ) is the most populous city in the U.S. state of South Dakota. It is the county seat of Minnehaha County and also extends into northern Lincoln County. The population was 192,517 at the 2020 census and estimated at 209,289 in 2024, while the Sioux Falls metropolitan area with an estimated 308,000 residents accounts for more than one-third of the state's population. Chartered in 1856 on the banks of the Big Sioux River, the city is situated in the rolling hills at the junction of Interstates 29 and 90. History.
https://en.wikipedia.org/wiki/Sioux_Falls,_South_Dakota