Crossword clues for the word: SIOUXFALLS The word SIOUXFALLS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for SIOUXFALLS Showing 1 to 7 of 7 results Clue(s) "Its motto is ""Gateway to the Plains""" Biggest city in South Dakota Largest city in the Dakotas Most populous city in South Dakota Seat of South Dakota's Minnehaha County South Dakota's largest city South Dakota's most populous city