RepublicanIn office since Nov 2024

Eric Tilleman

Montana State Representative, District 23 since 2024. Ran in 1 election in 2024, winning 1. Re-elected in 2026. Next on the ballot in 2028.

Montana State Representative, District 23

In office
1 yr
Since 2024
Bills became law
13
15 sponsored, 2025–2026 session
Votes missed
0.0%
Chamber median 0.2%
With party
75%
On votes splitting the parties
Last margin
+2.8
Won 2026
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Agriculture
  • Education
  • State Administration
  • State Administration and Veterans' Affairs Interim

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

Legislation

2025–2026 session · 15 sponsored · 13 became law
BillIntroCmteHouseSenateLaw
HB 917 Revise campaign finance laws
Appropriations · Became law May 2025
HB 898 Generally revise laws related to LLC operating agreements
Appropriations · Became law May 2025
HB 745 Require background checks for certain school employees and volunteers
Education - K-12 · Became law May 2025
HB 624 Revise agriculture laws related to beehives
Agriculture · Became law May 2025
HB 356 Allow livestock loss reimbursement for black bear predation
Fish · Became law May 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Tilleman sits in the Montana House of Representatives

Tilleman is closer to the center than 81% of the chamber's Republicans.

Dem. medianRep. medianTillemanMore liberalMore conservative

Closest: Julie Darling, Ed Buttrey, Marta Bertoglio

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

With Tilleman’s party

  • Votes with the chamber's Republicans75%

Black tick: the average of Republicans 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: Tilleman’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

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

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

Career

Offices held, and every time Tilleman 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.

YearRaceResultMarginSeat+/−
2026Montana House of Representatives, District 23WonR+2.8R+11.0−8.2
2024Montana House of Representatives, District 23WonR+15.6R+11.0+4.6

Source: 99chambers results archive; 2026: Montana Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$23.4K
Spent
$24.3K

Source: Montana Commissioner of Political Practices filings through Oct 6, 2026Updated Nov 1, 2026, 9:16 AM ET

Campaign committees

Open committees can still raise and spend money.

Tilleman, Eric
State
Active

Source: Montana Commissioner of Political Practices filings through Oct 6, 2026Updated Nov 1, 2026, 9:16 AM ET

How we know Tilleman

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET