Our Community Uniquely situated at the hub of three states; Iowa, Nebraska and South Dakota, the Sioux City Metropolitan Statistical Area (MSA) actually includes the four counties of Woodbury in Iowa, Dakota and Dixon in Nebraska and Union in South Dakota. Here in the tri-state area, we're proud of our historical background, our rich traditions and our Midwestern values and lifestyle. If you're planning to visit or relocate to our community, here are some helpful websites: Siouxland Chamber of Commerce (IA, NE, SD) - www.siouxlandchamber.com City of Sioux City (IA) - www.sioux-city.org South Sioux City (NE) - www.southsiouxcity.org North Sioux City (SD) - www.northsiouxcity-sd.gov Downtown Sioux City Partners (IA) - www.downtownsiouxcity.com Sioux City Tourism (IA) - www.siouxcitytourism.com South Sioux City Chamber of Commerce (NE) - www.southsiouxchamber.org