McPherson County, South Dakota

South Dakota Senate District 23

One candidate is tracked for South Dakota Senate District 23 on the November 3, 2026 ballot: Mark Lapka. Candidate information follows official McPherson County election filings; verify with the official election office linked below.

About this race

Mark Lapka (Republican) is the only candidate on the November 3, 2026 ballot for South Dakota Senate District 23; unopposed candidates still appear on South Dakota ballots, so the race is on the ballot but is not contested. Mark Lapka 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. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Mark Lapka, is on the ballot. One name is on the ballot for this seat.

South Dakota › McPherson County › South Dakota Senate District 23

Mark Lapka

Republican Incumbent

Top priorities

Focus on data centers and state budgeting
Increase government transparency
Address school funding in the district

Per the South Dakota Public Broadcasting.

Biography

Mark Lapka is the incumbent state senator for South Dakota Senate District 23, per the South Dakota Legislature's official roster. He is a farmer and rancher who was elected to the Senate in 2024 and has served as vice chair of the Senate Appropriations Committee, per South Dakota Public Broadcasting. No campaign website was found as of September 20, 2026.

Next on your ballotSouth Dakota House District 23

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Voting info and more

Questions about this race

Who is running for South Dakota Senate District 23 in 2026?

When is the South Dakota Senate District 23 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 McPherson 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 McPherson 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 McPherson County sample ballot and your exact ballot by address.

The rest of your McPherson County ballot

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

See all 2 McPherson County races

Candidate profiles

Mark Lapka, full profile Official South Dakota election office