Welcome to the official website for Sioux County, Iowa. We are "Putting the People of Sioux County First", and we hope you find the information you are looking for on our site.
Listings of candidates for the 2014 Sioux County General Elections can be found at the bottom of this webpage.
A tentative agenda has been posted for the Tuesday, September 2, 2014 Board of Supervisors meeting. View the agenda here.
County offices will be closed on Monday, September 1, 2014 for Labor Day.
Effective June 1, 2014, a signed and dated Bill of Sale will be required on all vehicle transfers unless an Iowa dealer has submitted the paperwork. This includes all motor vehicles and trailers.