Senate District 16
Lehigh Valley · currently held by R (Jarrett Coleman)
Forecast
61%
chance Mark E Pinsley (D) wins
- Democrat
- Mark E Pinsley
- Republican
- Jarrett Charles Coleman
- Rating
- Tilt D
- Expected margin
- D+1.7 (90% range R+8.9 to D+12.2)
- Chance of flipping
- 61.1%
- Tipping-point chance
- 15.6% (chance this seat decides control)
How the forecast was built
| Statewide generic legislative margin (environment) | D+6.6 |
| + District partisan lean | -7.2 |
| = Fundamentals before candidates | R+0.6 |
| + Incumbency advantage | -2.8 |
| + Incumbent's past over-performance (shrunk) | +0.5 |
| + Target-list signal (pull toward even) | +1.5 |
| = Fundamentals margin | R+1.4 |
| District polls (2, average D+2.7, weight 70%) | +2.8 |
| External ratings prior (weight 33%) | +0.3 |
| Final expected margin | D+1.8 |
District-level error SD 4.9 pts; total with statewide and regional error ≈ 6.4 pts.
Inputs
Partisan lean (current lines)
| Race | District | Statewide | Lean | Weight |
|---|---|---|---|---|
| 2024 President | R+9.1 | R+1.8 | -7.3 | 0.45 |
| 2022 Governor | D+7.2 | D+15.0 | -7.9 | 0.2 |
| 2022 U.S. Senate | R+2.9 | D+5.0 | -7.9 | 0.2 |
| 2020 President | R+7.1 | D+1.1 | -8.2 | 0.15 |
Last legislative result (2022): R+8.3 vs a statewide legislative environment of D+0.7 → lean -6.2, blended at 30%.
Candidates & money
- Incumbent
- Jarrett Coleman (R) — running
- Receipts
- no matched PA DoS filings for both sides
- Target lists
- DLCC, PA_Senate_Dems, other
Past results in this district
| Year | Democrat | Republican | Margin |
|---|---|---|---|
| 2022 | Mark E Pinsley | Jarrett Charles Coleman | R+8.3 |
District polls
| Pollster | Sponsor | End | n | Margin | Adjusted | Weight |
|---|---|---|---|---|---|---|
| State Navigate | none (State Navigate polling fund) | 2026-10-14 | 1855 | D+3.0 | D+3.0 | 83% |
| State Navigate | none (State Navigate polling fund) | 2026-09-20 | 1031 | D+1.0 | D+1.0 | 17% |
External ratings
| Source | Rating | Implied P(Dem) | Weight | As of |
|---|---|---|---|---|
| state_navigate | Toss-up (toss-up) | 66% | 0.25 | 2026-10-15 |
| ballotpedia | Toss-up (Battleground district) | 50% | 0.08 | 2026-10-15 |
Ratings are blended as a prior, not copied: they moved this seat's expected margin by +0.3 points.