The Ballot Brief
Pennington County, South Dakota

South Dakota House District 34

3 candidates are tracked for South Dakota House District 34 on the November 3, 2026 ballot: Victor Diego Dominquez, Becky J Drury and Mike Derby. Candidate information follows official Pennington County election filings; verify with the official election office linked below.

About this race

Victor Diego Dominquez (Democratic), Becky J Drury (Republican), Mike Derby (Republican) are on the November 3, 2026 ballot for South Dakota House District 34. Voters choose two. Mike Derby is the sitting member, per the Legislature's 2026 session roster. Party nominees were chosen at the June 2, 2026 primary, per the South Dakota Secretary of State's 2026 general-election candidate list.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Voters choose 2; the top 2 finishers win seats. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Mike Derby, is on the ballot.

South Dakota › Pennington County › South Dakota House District 34

Victor Diego Dominquez

Democratic

Top priorities
  • Prioritizes workforce development, affordable housing access, education quality and rural healthcare expansion, along with responsible spending and infrastructure investment.

Per South Dakota Public Broadcasting.

Biography

Victor Diego Dominquez grew up on the Pine Ridge Reservation and now lives in Rapid City, per South Dakota Public Broadcasting. Dominquez previously served in the U.S. Army National Guard, per South Dakota Public Broadcasting. No campaign website was found as of September 20, 2026.

Becky J Drury

Republican

Top priorities
  • Supports continued backing for public education and affordable housing initiatives, and backs Ellsworth Air Force Base.

Per the campaign site.

Biography

Becky J Drury previously represented District 34 in the South Dakota House after being appointed by Governor Noem to the seat during the 2024 session, and served as House majority whip, per Drury's campaign site. Drury holds a master's degree in administration, has a background in telecommunications, and works as a paralegal, per South Dakota Public Broadcasting. Drury also previously served on the Rapid City Council, per South Dakota Public Broadcasting.

Campaign site (opens in a new tab)

Mike Derby

Republican Incumbent

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)
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Questions about this race

Who is running for South Dakota House District 34 in 2026?

3 candidates are tracked for South Dakota House District 34 on the November 3, 2026 ballot: Victor Diego Dominquez, Becky J Drury and Mike Derby. Candidate information follows official Pennington County election filings; verify with the official election office linked below.

When is the South Dakota House District 34 election in South Dakota?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for South Dakota are on the South Dakota election hub at theballotbrief.com.

How do I see my exact Pennington County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Pennington County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official South Dakota election office, or see the full Pennington County sample ballot and your exact ballot by address.

The rest of your Pennington County ballot

14 tracked races in Pennington County, South Dakota. Landed here from another county's search? Look up your own ballot below.

Also on your ballot
Pennington County Commissioner, District 1Pennington County Commissioner, District 5South Dakota Senate District 27See all 14 Pennington County races
Candidate profiles
Victor Diego Dominquez, full profileBecky J Drury, full profileMike Derby, full profileOfficial South Dakota election office