Welcome to the Mahaska County Elections Website.

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.

Upcoming & Recent Elections

Jun
2
2026 Primary Election Primary Election
Election Information Sample Ballot(s)
Nov
4
City/School Election City/School Election
Unofficial Results Sample Ballot(s) Candidate List
Aug
5
Oskaloosa City Council Special Election Special Election
Official Results Sample Ballot(s)

News

Public Testing of Voting Equipment

October 20, 2025

Voting Location Change - Ward 4
Oskaloosa Special Election
All News

FAQ

Q.

Can I update my voter registration over the phone?

A.

No. All updates to voter registration must be made in writing or online through the Iowa DOT if you have an Iowa driver’s license.

Q.

I just registered and received a card in the mail but there is a mistake on it; what do I do now?

A.

If you notice a mistake on your voter card please contact the Auditor’s Office and/or submit a new registration form to correct your information.

All Frequently Asked Questions

Mahaska County Voter Registration

Updated January 19, 2026
Republican
7,390
No Party
4,253
Democratic
2,082
Other
134
Total Registered Voters: 13,859
Register to Vote
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