GOTV Intel

Pennsylvania Senate District 12

State Senate District 12

Covers part of Montgomery County.

Who Holds This Seat

Maria Collett

Democrat · State Senator

Holds This SeatOn the 2026 ballot

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Running in 2026

IncumbentNov 3 General
Maria Collett

Democrat · State Senator

Ballot
On the 2026 ballot
Last Change
Profile updated · Oct 3
Raised
Not on file
Cash on Hand
Not on file

No finance filing on record.

ProfileOrder a GOTV Intel Report
ChallengerNov 3 General
Robert F Costello III

Republican

Ballot
On the 2026 ballot
Last Change
Profile updated · Oct 3
Raised
Not on file
Cash on Hand
Not on file

No finance filing on record.

ProfileOrder a GOTV Intel Report

The District

Includes Blue Bell, Horsham, Montgomeryville, Fort Washington, Maple Glen, Lansdale, Plymouth Meeting (part), Spring House, Bryn Athyn, Willow Grove (part), Hatboro, Souderton and 4 more.

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143 precincts · District lines: State senate lines: U.S. Census Bureau (1:500,000 cartographic boundary) · Precinct lines: U.S. Census Bureau, 2020 TIGER/Line voting districts (VTD20)

Results in This District

ContestFirstSecondMarginVotes
2024 President132 precinctsPennsylvania Department of StateOfficial precinct returnsKamala D Harris & Tim Walz (D)88,350 · 57.0%Donald J Trump & Jd Vance (R)64,993 · 41.9%D+15.1155,014
2024 U.S. Senate132 precinctsPennsylvania Department of StateOfficial precinct returnsRobert P Casey Jr (D)86,983 · 56.2%Dave Mccormick (R)64,285 · 41.5%D+14.7154,722
2022 U.S. Senate132 precinctsPennsylvania Department of StateOfficial precinct returnsJohn Fetterman (D)72,502 · 59.0%Mehmet Oz (R)47,255 · 38.5%D+20.6122,811
2022 Governor132 precinctsPennsylvania Department of StateOfficial precinct returnsJosh Shapiro And Austin Davis (D)81,137 · 66.0%Douglas V Mastriano And Carrie Lewis Delrosso (R)39,915 · 32.5%D+33.5122,917
2020 President132 precinctsPennsylvania Department of StateOfficial precinct returnsJoseph Robinette Biden Jr (D)89,885 · 58.9%Donald J. Trump (R)61,182 · 40.1%D+18.8152,649

Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.

Past Results

State Senate District 12

2022 Pennsylvania General Election · Nov 8, 2022
CandidateVotesShare
Maria CollettDemocrat77,53259.8%
Robert DaviesRepublican52,03340.2%

Official precinct returns (PA Department of State bulk data; Philadelphia City Commissioners certified file) · Pennsylvania Department of State — official statewide precinct returns…