Welcome to Sioux County Elections

The Election Department in the Auditor’s Office is responsible for every aspect of conducting an election from voter registration to the final count of the votes. This site is designed to be a resource for residents looking to learn how to vote, find their elected officials, learn about becoming a candidate, or find past or upcoming election information.

Election Information:

04-12-2021 – Chatsworth Special Election

Chatsworth will be holding a special election on Tuesday, May 25. You can view the sample ballot here.

02-19-2018 – Voter ID Law

Click here to to learn more about the new Voter ID Laws.

09-29-16 – Resources for Disabled Voters and Disabled Veterans

Click here for resources for disabled voters and disabled veterans.

Upcoming Elections:

Chatsworth Special Election

May 25, 2021
Polls Open: 7:00am to 8:00pm

City/School Elections

November 2, 2021
Polls Open: 7:00am to 8:00pm

Frequently Asked Questions:

Sioux County Voter Registration

Updated February 2021 - Source





No Party




Total Registered Active Voters: 22,431