RepublicanIn office since Nov 2020

Milou Mackenzie

Pennsylvania State Representative, District 131 since 2020. Ran for re-election in 2026; the count goes on.

Pennsylvania State Representative, District 131

Official website Wikipedia

In office: 6 yrs; Since 2020
Bills became law: 0; 25 sponsored, 2025–2026 session
Votes missed: 0.0%; Chamber median 0.0%
With party: 92%; On votes splitting the parties
Last margin: +14.5; Won 2024

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

Committees

As of 2026-10.

Children and Youth
Education
Housing and Community Development
Human Services

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

Legislation

2025–2026 session · 25 sponsored · 0 became law

BillIntroCmteHouseSenateLaw

HB 1992 An Act amending the act of March 4, 1971 (P.L.6, No.2), known as the Tax Reform Code of 1971, providing for…
Introduced Oct 2025

HB 1275 An Act selecting, designating and adopting the Pennsylvania March as the official march of the Commonwealth…
Introduced Apr 2025

HB 1039 An Act amending the act of May 25, 1945 (P.L.1050, No.394), known as the Local Tax Collection Law, further…
Introduced Mar 2025

HB 987 An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School Code of 1949, in…
Introduced Mar 2025

HB 904 An Act providing for school-to-work programs; establishing the CareerBound Program; providing for the…
Introduced Mar 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Mackenzie sits in the Pennsylvania House of Representatives

Mackenzie is closer to the center than 55% of the chamber's Republicans.

Closest: Michael Stender, Dane Watro, Josh Kail

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:00 PM ET

With Mackenzie’s party

Votes with the chamber's Republicans92%
Cosponsorships of the other party's bills22%

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

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

Date	Bill	Mackenzie	Rep. majority	Dem. majority	Result
Oct 19, 2026	SB 908: An Act amending the act of August 15, 1961 (P.L.987, No.442), known as the Pennsylvania…	No	No	Yes	Passed 128–75
Oct 19, 2026	SB 1260: An Act providing for licensure of electrical contractors, electricians, residential…	No	No	Yes	Passed 116–87
Oct 5, 2026	HB 2380: An Act amending Title 66 (Public Utilities) of the Pennsylvania Consolidated Statutes, in…	No	No	Yes	Passed 116–86
Sep 29, 2026	HB 280: An Act amending the act of June 3, 1937 (P.L.1333, No.320), known as the Pennsylvania…	No	No	Yes	Passed 115–88
Jun 15, 2026	HB 2084: An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School…	No	No	Yes	Passed 119–83

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

Career

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

202020212022202320242025202620272028Pennsylvania House of Representatives, District 131

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	Pennsylvania House District 131	Counting	D+2.3	R+10.2	−12.5
2024	Pennsylvania House of Representatives, District 131	Won	R+14.5	—	—
2022	Pennsylvania House of Representatives, District 131	Won	R+9.8	—	—
2020	Pennsylvania House of Representatives, District 131	Won	R+8.5	—	—