Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
DemocratIn office until January 1, 2027

Katie Sullivan

Montana State Representative, District 93 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

Montana State Representative, District 93

In office
7 yrs
Since 2018
Bills became law
1
5 sponsored, 2025–2026 session
Votes missed
0.6%
Chamber median 0.2%
With party
93%
On votes splitting the parties
Last margin
+23.9
Won 2024

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Business and Labor
  • Human Services
  • Judicial Standards Nominations Special Select
  • Legislative Council
  • Rules
  • Rules
  • Transportation

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

Legislation

2025–2026 session · 5 sponsored · 1 became law
BillIntroCmteHouseSenateLaw
HB 397 Revise laws related to privacy in mental health digital service
Health Care Services · Became law May 2025
HB 907 Generally revise fish and game laws
Fish · Failed in committee May 2025
HB 263 Generally revise digital asset mining and data center ratemaking laws
Energy · Failed in committee May 2025
HB 945 Create the early childhood education and child care infrastructure grant program
Appropriations · Failed in committee May 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Sullivan sits in the Montana House of Representatives

Sullivan is closer to the center than 24% of the chamber's Democrats.

Dem. medianRep. medianSullivanMore liberalMore conservative

Closest: Shelly Fyant, Jamie Isaly, Eric Matthews

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET

With Sullivan’s party

  • Votes with the chamber's Democrats93%

Black tick: the average of Democrats in the Montana House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillSullivanDem. majorityRep. majorityResult
Apr 28, 2025SB 118: Generally revise student data laws to enhance privacyNoNoYesFailed 33–67
Apr 25, 2025SB 151: Direct the director of the public defender's office to create units for family defense and…YesYesNoFailed 49–50
Apr 25, 2025SB 321: Provide tax credits for children and child careYesYesNoFailed 46–53
Apr 24, 2025SB 322: Increase business equipment tax exemptionNoNoYesFailed 48–52

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

Career

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

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.

YearRaceResultMargin
2024Montana House of Representatives, District 93WonD+23.9
2022Montana House of Representatives, District 89WonD+24.4
2020Montana House of Representatives, District 89WonD+20.2
2018Montana House of Representatives, District 89WonD+24.8
2000Montana House of Representatives, District 38LostR+54.4

Source: 99chambers results archive

Seats Sullivan has held

Source: 99chambers results archive

Who Sullivan has run against

  • Roy Handley (R) · 2024 general, won
  • Gary Wanberg (R) · 2022 general, won
  • Gary D. Wanberg (R) · 2020 general, won
  • David Moore (R) · 2018 general, won
  • Brad Newman (D) · 2000 general, lost

Source: 99chambers results archive

How we know Sullivan

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET