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South Dakota
Candidate profile

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Mike Derby

Republican · South Dakota · 2026 · Incumbent

Running for South Dakota House District 34, South Dakota

Biography

Mike Derby is a commercial real estate broker associate whose current District 34 term began in 2021, per South Dakota Public Broadcasting. Derby chairs the House Appropriations Committee and has served as a board member for Visit Rapid City, the Elevate Rapid City Diplomat Committee, and the Rapid City Area Chamber of Commerce, per Derby's campaign site.

Campaign site (opens in a new tab)

On the ballot

South Dakota House District 34South Dakota · 2026Pennington County sample ballot

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Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 14, 2026. Official sources are the final word on who appears on your ballot.

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