The Ballot Brief
Minnehaha County, South Dakota

South Dakota House District 11

4 candidates are tracked for South Dakota House District 11 on the November 3, 2026 ballot: Sonja Mentzer, Tracey Quint, Brian Mulder and Keri K. Weems. Candidate information follows official Minnehaha County election filings; verify with the official election office linked below.

About this race

Sonja Mentzer (Democratic), Tracey Quint (Libertarian), Brian Mulder (Republican), Keri K. Weems (Republican) are on the November 3, 2026 ballot for South Dakota House District 11. Voters choose two. Brian Mulder and Keri K. Weems 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: Brian Mulder, Keri K. Weems.

South Dakota › Minnehaha County › South Dakota House District 11

Sonja Mentzer

Democratic

Top priorities
  • Regulating data centers to protect natural resources
  • Expanding affordable and available child care, including afterschool programs
  • Removing the sales tax on groceries to address the cost of living

Per the South Dakota Public Broadcasting.

Biography

Sonja Mentzer works as a business manager for a transportation company, per South Dakota Public Broadcasting. Mentzer is running for South Dakota House District 11, per the campaign site, which describes the campaign's approach as compassion, integrity and hard work.

Campaign site (opens in a new tab)

Tracey Quint

Libertarian

Biography

Tracey Quint is the Libertarian nominee for South Dakota House District 11 on the November 3, 2026 ballot, per the South Dakota Secretary of State's 2026 general-election candidate list. No campaign website was found as of September 20, 2026.

Brian Mulder

Republican Incumbent

Top priorities
  • Keeping taxes low while funding education and services for disabled and elderly residents
  • Making South Dakota affordable and a good place to raise a family

Per the South Dakota Public Broadcasting.

Biography

Brian Mulder currently serves in the South Dakota House of Representatives for District 11 and works as a nonprofit director, per the South Dakota Legislature member directory. Mulder has chaired the House Health and Human Services Committee and served on the Executive Board, per South Dakota Public Broadcasting. No campaign website was found as of September 20, 2026.

Keri K. Weems

Republican Incumbent

Top priorities
  • Transparent decision making and responsible stewardship of taxpayer dollars
  • Policies that empower individuals, families and local businesses

Per the campaign site.

Biography

Keri K. Weems currently serves in the South Dakota House of Representatives for District 11, per the South Dakota Legislature member directory. Weems works as an independent contractor and has held leadership roles in the private and nonprofit sectors, per the 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 11 in 2026?

4 candidates are tracked for South Dakota House District 11 on the November 3, 2026 ballot: Sonja Mentzer, Tracey Quint, Brian Mulder and Keri K. Weems. Candidate information follows official Minnehaha County election filings; verify with the official election office linked below.

When is the South Dakota House District 11 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 Minnehaha 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 Minnehaha County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Minnehaha County ballot

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

Also on your ballot
South Dakota House District 13South Dakota House District 14South Dakota House District 15See all 22 Minnehaha County races
Candidate profiles
Sonja Mentzer, full profileTracey Quint, full profileBrian Mulder, full profileKeri K. Weems, full profileOfficial South Dakota election office