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:

02-09-2021 – Alton Special Election

The city of Alton will be holding a special election on Tuesday, March 2. You can view the sample ballot here.

Polling Hours: 7am to 8pm
Poll Location: Community Building, 1101 3rd Ave, Alton, IA 51003
This election is for voters in the city limits of Alton

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:

Special Election for the City of Alton

March 2, 2021
Polls Open: 7:00am to 8:00pm
Sample Ballot

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