CalledUnofficial results
Pennsylvania House District 16
Pennsylvania House of Representatives · Pennsylvania
Robert Matzie won re-election by 21.4 points over John Costanza.
Robert MatzieDemocrat · winner · incumbent
60.7%14,528
John CostanzaRepublican
39.3%9,410
100% of the expected vote counted · 23,938 votes
Source: civicAPI unofficial results and race callsUpdated Nov 5, 2026, 3:57 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Robert MatzieJohn Costanza
$490.6K
Raised by the campaign
$1.3K
$471.7K
Spent by the campaign
$84
$34.8K
Cash on hand
$1.4K
Campaign money: Pennsylvania Department of State, through Oct 19, 2026; Pennsylvania Department of State, through Jun 8, 2026.
Source: Pennsylvania Department of State campaign filingsUpdated Jun 8, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Robert Matzie
- 86%
- John Costanza
- 14%
- Projected margin
- D+8.4