DemocratIn office since

Jennifer Mazzocco

Pennsylvania State Representative, District 42. Re-elected in 2026. Next on the ballot in 2028.

Pennsylvania State Representative, District 42Born 1984

Bills became law
1
4 sponsored, 2025–2026 session
Votes missed
0.0%
Chamber median 0.0%
With party
99%
On votes splitting the parties
Next election
2028
Nov 7, 2028
Elections
1
2026
Won
1
generals, primaries and specials

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

Committees

As of 2026-10.

  • Communications and Technology
  • Environmental and Natural Resource Protection
  • Finance
  • Transportation

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

Legislation

2025–2026 session · 4 sponsored · 1 became law
BillIntroCmteHouseSenateLaw
HB 2473 An Act repealing obsolete laws related to insurance.
Became law Oct 2026
HB 2455 An Act amending the act of April 9, 1929 (P.L.177, No.175), known as The Administrative Code of 1929, in…
Passed House Jul 2026
HB 2550 An Act amending the act of March 4, 1971 (P.L.6, No.2), known as the Tax Reform Code of 1971, providing for…
Passed House Jun 2026
HB 2792 An Act amending the act of December 15, 1986 (P.L.1585, No.174), known as the Private Licensed Schools Act,…
Introduced Sep 2026

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

Voting record

2025–2026 session · placement by roll-call votes

Where Mazzocco sits in the Pennsylvania House of Representatives

Mazzocco is closer to the center than 85% of the chamber's Democrats.

Dem. medianRep. medianMazzoccoMore liberalMore conservative

Closest: Ryan Bizzarro, Matt Bradford, Rob Matzie

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

With Mazzocco’s party

  • Votes with the chamber's Democrats99%
  • Cosponsorships of the other party's bills6%

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

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

Career

Offices held, and every time Mazzocco 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+/−
2026Pennsylvania House of Representatives, District 42Won—D+29.9—

Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$70.5K
Spent
$68.6K
Cash
$5.6K

Source: Pennsylvania Department of State filings through Oct 19, 2026Updated Nov 1, 2026, 1:41 AM ET

Campaign committees

Open committees can still raise and spend money.

FRIENDS OF JEN MAZZOCCO
State
Active
MAZZOCCO, JENNIFER L
State
Active
MAZZOCCO, JENNIFER L
State
Active

Source: Pennsylvania Department of State filings through Oct 19, 2026Updated Nov 1, 2026, 1:41 AM ET

How we know Mazzocco

One person, matched across every source we use.

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