The term 'Sioux City Natives' refers to the people who are native to Sioux City, Iowa. The term can also be shortened to 'Iowans', which is a six-letter word that is often used in crossword puzzles. Sioux City is located in the northwest corner of Iowa and is home to many Native American tribes, including the Sioux, Otoe, and Ioway. These tribes have a long history in the area and continue to be an important part of the city's culture.