Siouxland Real Estate by Sherry Kjos - Tri-state area of Iowa, Nebraska, and South Dakota. Specializing in first time home buyers in Woodbury County, the Siouxland communities of Sioux City, Sgt. Bluff, Le Mars, Merrill, Hinton, Iowa; South Sioux City and Dakota City, Nebraska; North Sioux City and Dakota Dunes, South Dakota.