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South Dakota ballot
Photo of Mike Derby

Mike Derby

RepublicanIncumbent

Business owner

Mike Derby is a Republican candidate for South Dakota House of Representatives District 34 (2 seats) in the 2026 election. They are the incumbent.

From the candidate’s public filings

Background

Mike Derby earned a B.S. in business administration from the University of South Dakota.[1] Derby's career experience includes owning a business.[2] He has served as the board chair of the Rapid City Area Chamber of Commerce.[1]

Bachelor's:
University of South Dakota

Campaign themes

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Mike Derby did not complete [the profile publisher]'s 2024 Candidate Connection survey.

Mike Derby did not complete [the profile publisher]'s 2022 Candidate Connection survey.

Mike Derby did not complete [the profile publisher]'s 2020 Candidate Connection survey.

On the 2026 ballot

Links

Compiled from the candidate’s published profile as of September 30, 2026.

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