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.
The Sioux County Board of Supervisors will be meeting Tuesday, June 18, 2013. View the tentative agenda here.
The Assessor's Office has temporarily moved to the 2nd floor of the Public Health building due to construction in the Courthouse.
A tax sale will be held in the Board of Supervisors room at 10:00 AM on Monday, June 17, 2013. The registration forms can be found on the Treasurer's page here.
Currently there are road construction projects on county roads northeast of Hawarden on 390th St, northwest of Sioux Center on 360th St, and northwest of Orange City on Ibex Ave. Click here to see the maps. Please use the detours listed.