House District 12
Pittsburgh metro · currently held by D (Brandon Dukes)
Forecast
87%
chance Scott R Timko (R) wins
- Democrat
- Brandon Michael Dukes
- Republican
- Scott R Timko
- Rating
- Likely R
- Expected margin
- R+8.6 (90% range R+21.2 to D+4.2)
- Chance of flipping
- 87.0%
- 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 | -18.1 |
| = Fundamentals before candidates | R+11.4 |
| + Incumbency advantage | +2.8 |
| + Incumbent's past over-performance (shrunk) | -2.3 |
| + Campaign finance (log receipts ratio) | +0.9 |
| + Target-list signal (pull toward even) | +1.5 |
| = Fundamentals margin | R+8.5 |
| No public district polls | |
| External ratings prior (weight 25%) | -0.0 |
| Final expected margin | R+8.5 |
District-level error SD 6.5 pts; total with statewide and regional error ≈ 7.7 pts.
Inputs
Partisan lean (current lines)
| Race | District | Statewide | Lean | Weight |
|---|---|---|---|---|
| 2024 President | R+18.5 | R+1.8 | -16.8 | 0.45 |
| 2022 Governor | D+0.4 | D+15.0 | -14.6 | 0.2 |
| 2022 U.S. Senate | R+15.7 | D+5.0 | -20.7 | 0.2 |
| 2020 President | R+20.1 | D+1.1 | -21.2 | 0.15 |
Last legislative result (2024): R+29.7 vs a statewide legislative environment of R+8.2 → lean -18.7, blended at 30%.
Candidates & money
- Incumbent
- Brandon Dukes (D) — running
- Receipts (cycle)
- D $29,703 · R $8,655
- Target lists
- DLCC, other
Past results in this district
| Year | Democrat | Republican | Margin |
|---|---|---|---|
| 2024 | Robert L Vigue | Stephenie G. A. Scialabba | R+29.7 |
| 2022 | Robert Vigue | Stephenie G A Scialabba | R+24.5 |
| 2020 | Daniel B Smith Jr | Daryl D Metcalfe | R+23.3 |
External ratings
| Source | Rating | Implied P(Dem) | Weight | As of |
|---|---|---|---|---|
| state_navigate | Lean D (lean d) | 13% | 0.25 | 2026-10-15 |
Ratings are blended as a prior, not copied: they moved this seat's expected margin by -0.0 points.