PA Legislature 2026

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House District 29

Collar counties · currently held by D (Tim Brennan)

Forecast

100%
chance Timothy Patrick Brennan (D) wins
Democrat
Timothy Patrick Brennan
Republican
Sean Patrick Duffy
Rating
Safe D
Expected margin
D+27.4 (90% range D+14.8 to D+40.1)
Chance of flipping
0.1%
Tipping-point chance
0.2% (chance this seat decides control)

How the forecast was built

Statewide generic legislative margin (environment)D+6.6
+ District partisan lean+16.6
= Fundamentals before candidatesD+23.3
+ Incumbency advantage+2.8
+ Incumbent's past over-performance (shrunk)+1.2
+ Campaign finance (log receipts ratio)+1.3
= Fundamentals marginD+28.6
No public district polls
External ratings prior (weight 25%)-1.2
Final expected marginD+27.4

District-level error SD 6.5 pts; total with statewide and regional error ≈ 7.7 pts.

Inputs

Partisan lean (current lines)

RaceDistrictStatewideLeanWeight
2024 PresidentD+15.1R+1.8+16.90.45
2022 GovernorD+30.8D+15.0+15.80.2
2022 U.S. SenateD+17.1D+5.0+12.10.2
2020 PresidentD+17.2D+1.1+16.00.15

Last legislative result (2024): D+13.7 vs a statewide legislative environment of R+8.2 → lean +19.1, blended at 30%.

Candidates & money

Incumbent
Tim Brennan (D) — running
Receipts (cycle)
D $143,690 · R $21,885

Past results in this district

YearDemocratRepublicanMargin
2024Timothy Patrick BrennanSteven MekanikD+13.7
2022Timothy Patrick BrennanDiane SmithD+15.5
2020Marlene KatzMeghan SchroederR+11.4

External ratings

SourceRatingImplied P(Dem)WeightAs of
state_navigateSafe D (solid d)100%0.252026-10-15

Ratings are blended as a prior, not copied: they moved this seat's expected margin by -1.2 points.