The Ballot Brief
Pennington County, South Dakota

South Dakota Senate District 27

3 candidates are tracked for South Dakota Senate District 27 on the November 3, 2026 ballot: Celestine Stadnick, Peri Pourier and Anthony Kathol. Candidate information follows official Pennington County election filings; verify with the official election office linked below.

About this race

Celestine Stadnick (Democratic), Peri Pourier (Independent), Anthony Kathol (Republican) are on the November 3, 2026 ballot for South Dakota Senate District 27. The Legislature's 2026 session roster shows no sitting member among these candidates. 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.

South Dakota › Pennington County › South Dakota Senate District 27

Celestine Stadnick

Democratic

Top priorities
  • Protecting South Dakota's land, water, and natural resources for future generations, including opposing large-scale data center and mining projects that could threaten water sources
  • Expanding vocational and technical training, including certified trades programs before high school graduation
  • First-time homebuyer programs to help families achieve homeownership

Per the campaign site.

Biography

Celestine Stadnick is a Democrat and school principal seeking a seat representing South Dakota Senate District 27, per South Dakota Public Broadcasting and her campaign site. She has worked as an educator for 12 years and holds a master's degree in Educational Administration and Leadership, per her campaign site. Stadnick grew up on the Pine Ridge Reservation and in Switzerland, per her campaign site.

Campaign site (opens in a new tab)

Peri Pourier

Independent

Biography

Peri Pourier is running as an independent for South Dakota Senate District 27 while currently serving in the South Dakota House of Representatives, per the South Dakota Legislature and South Dakota Public Broadcasting. She is an entrepreneur and an Oglala Lakota tribal member who has served in the state House since entering office in 2018, per South Dakota Public Broadcasting. No campaign website was found as of September 20, 2026.

Anthony Kathol

Republican

Top priorities
  • Strengthening rural health care systems and public infrastructure
  • Supporting first responders and local law enforcement
  • An education system that prioritizes student achievement and accountability

Per the campaign site.

Biography

Anthony Kathol is a Republican running for South Dakota Senate District 27, per his campaign site. He is a former commissioned officer of the United States Public Health Service who has also worked as an educator, small-business owner, and registered professional engineer, per his campaign site. Kathol, who lives in Martin, South Dakota, is a commissioned lay minister, per his campaign site.

Campaign site (opens in a new tab)
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Questions about this race

Who is running for South Dakota Senate District 27 in 2026?

3 candidates are tracked for South Dakota Senate District 27 on the November 3, 2026 ballot: Celestine Stadnick, Peri Pourier and Anthony Kathol. Candidate information follows official Pennington County election filings; verify with the official election office linked below.

When is the South Dakota Senate District 27 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
South Dakota Senate District 32South Dakota Senate District 33South Dakota Senate District 34See all 14 Pennington County races
Candidate profiles
Celestine Stadnick, full profilePeri Pourier, full profileAnthony Kathol, full profileOfficial South Dakota election office