Charles Mix County, South Dakota

South Dakota House District 21

2 candidates are tracked for South Dakota House District 21 on the November 3, 2026 ballot: Jim Halverson and Marty Overweg. Candidate information follows official Charles Mix County election filings; verify with the official election office linked below.

About this race

Jim Halverson (Republican), Marty Overweg (Republican) are on the November 3, 2026 ballot for South Dakota House District 21. Voters choose two. Jim Halverson and Marty Overweg are sitting members, 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. Sitting officeholders on the ballot: Jim Halverson, Marty Overweg.

South Dakota › Charles Mix County › South Dakota House District 21

Jim Halverson

Republican Incumbent

Top priorities

Create jobs and housing opportunities for young people.
Address labor, housing and childcare shortages through state-local partnerships.
Defend constitutional rights, including Second Amendment rights.

Per the campaign site.

Biography

Jim Halverson is a journeyman electrician at H&O Electric with more than 40 years of community involvement, per his campaign site. He is seeking reelection to the District 21 House seat, running unopposed, per South Dakota Public Broadcasting. His campaign site lists building housing and jobs, strengthening labor and childcare access, and protecting constitutional rights among his priorities.

Campaign site (opens in a new tab)

Marty Overweg

Republican Incumbent

Biography

Marty Overweg is an ag businessman and farmer with seven years of legislative experience, per South Dakota Public Broadcasting. He is running unopposed for reelection to the District 21 House seat, per South Dakota Public Broadcasting. No campaign website was found as of September 21, 2026.

Next on your ballotSouth Dakota Senate District 21

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Voting info and more

Questions about this race

Who is running for South Dakota House District 21 in 2026?

When is the South Dakota House District 21 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 Charles Mix 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 Charles Mix County and state election office filings. Bios and priorities carry their attribution inline.

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

The rest of your Charles Mix County ballot

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

See all 2 Charles Mix County races

Candidate profiles

Jim Halverson, full profile Marty Overweg, full profile Official South Dakota election office