and Storm Lake approximately 20 miles south. Sioux Rapids is also about 45 minutes south of Okoboji. Notable people Guy Gabrielson (1891–1976) New Jersey Republican politician. Ira Noel Gabrielson (1889–1977) American naturalist and entomologist. Fleta Jan Brown Spencer (1882-1938), composer and songwriter, born near Sioux Rapids. References External links Sioux Rapids, Iowa city website City-Data Comprehensive Statistical Data and more about Sioux Rapids Cities in Buena Vista County, Iowa Cities in Iowa