RepublicanIn office since Nov 2020

Trish Ladner

South Dakota State Representative, District 30 since 2020. Re-elected in 2026. Next on the ballot in 2028.

South Dakota State Representative, District 30Born 1953

Official website Wikipedia

In office: 6 yrs; Since 2020
Bills became law: 20; 36 sponsored, 2025–2026 session
Votes missed: 3.3%; Chamber median 0.8%
With party: 71%; On votes splitting the parties
Last margin: +1.8; Won 2026
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

Local Government · vice chair
Agriculture and Natural Resources

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 36 sponsored · 20 became law

BillIntroCmteHouseSenateLaw

HB 1200 make an appropriation for victim services provided by nonprofit organizations.
Appropriation · Became law Mar 2026

SB 132 modify provisions related to the South Dakota Veterans Council.
State Affairs and Government · Became law Mar 2026

HB 1066 revise a provision related to theft by a contractor, subcontractor, or supplier.
Crimes · Became law Mar 2026

SB 131 revise the season in which a nonprofit organization may host a special pheasant hunt for disabled veterans…
Game, Fish, Parks and Forestry · Became law Mar 2026

HB 1161 amend provisions related to changing rooms, sleeping quarters, and restrooms.
Personal Rights and Obligations · Became law Mar 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Ladner sits in the South Dakota House of Representatives

Ladner is closer to the center than 58% of the chamber's Republicans.

Closest: Brian Mulder, Scott Moore,

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:01 PM ET

With Ladner’s party

Votes with the chamber's Republicans71%

Black tick: the average of Republicans in the South Dakota House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Ladner’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Date	Bill	Ladner	Rep. majority	Dem. majority	Result
Mar 30, 2026	HB 1138: require the licensure of non-medical home care agencies, and to provide a penalty therefor.	Yes	Yes	Yes	Failed 36–27
Mar 30, 2026	HB 1077: consider a cultivated-protein food product to be adulterated food.	No	Yes	No	Failed 32–32
Mar 9, 2026	SB 245: create the homeowner property tax reduction fund, and to transfer moneys to the homeowner…	Yes	Yes	No	Passed 42–27
Mar 5, 2026	SB 159: revise requirements pertaining to the minimum age for marriage.	No	Yes	Yes	Passed 40–27
Mar 5, 2026	SB 179: permit a court to commit a juvenile adjudicated delinquent for certain weapons offenses to…	Yes	Yes	No	Passed 42–25

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Ladner was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

202020212022202320242025202620272028South Dakota House of Representatives, District 30

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	South Dakota Legislative District 30	Won	R+1.8	R+46.6	−44.8
2024	South Dakota House of Representatives, District 30	Won	D+1.6	—	—
2022	South Dakota House of Representatives, District 30	Won	R+3.5	—	—
2020	South Dakota House of Representatives, District 30	Won	R+1.4	—	—