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.
RepublicanIn office until January 1, 2027

Mark Lepak

Oklahoma State Representative, District 9 since 2014. Did not run for re-election in 2026; leaves office in January 2027.

Oklahoma State Representative, District 9

In office
12 yrs
Since 2014
Bills became law
20
161 sponsored, 2025–2026 session
Votes missed
6.1%
Chamber median 7.0%
With party
93%
On votes splitting the parties
Last margin
+44.7
Won 2022

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

Committees

As of 2026-10.

  • Banking, Financial Services and Pensions · chair
  • Energy
  • Government Oversight

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

Legislation

2025–2026 session · 161 sponsored · 20 became law
BillIntroCmteHouseSenateLaw
SB 1307 Oklahoma Historical Society; removing certain prohibition on use of funds. Effective date.
Became law May 2026
SB 1425 Health care; repealing provisions related to the Health Care Workforce Resources Board. Effective date.
Became law May 2026
SB 1423 Oklahoma Hospital Advisory Council; eliminating the Advisory Council. Effective date.
Became law May 2026
SB 2180 Foreign lobbying; creating the Foreign Principal Lobbying Oversight Act. Effective date.
Became law May 2026
SB 1303 Workers' compensation; transferring property and records. Effective date. Emergency.
Became law May 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Lepak sits in the Oklahoma House of Representatives

Lepak is closer to the center than 49% of the chamber's Republicans.

Dem. medianRep. medianLepakMore liberalMore conservative

Closest: Collin Duel, John Kane, Brad Boles

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:59 PM ET

With Lepak’s party

  • Votes with the chamber's Republicans93%

Black tick: the average of Republicans in the Oklahoma House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

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

Career

Offices held, and every time Lepak 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
2022Oklahoma House of Representatives, District 9WonR+44.7
2020Oklahoma House of Representatives, District 9Won—
2018Oklahoma House of Representatives, District 9WonR+37.5
2016Oklahoma House of Representatives, District 9Won—
2014Oklahoma House of Representatives, District 9Won—

Source: 99chambers results archive

Seats Lepak has held

Source: 99chambers results archive

Who Lepak has run against

  • Ann Marie Kennedy (D) · 2022 general, won
  • Clay Layton (D) · 2018 general, won

Source: 99chambers results archive

How we know Lepak

One person, matched across every source we use.

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