Stefany Shaheen, 2026 New Hampshire 1st District House Democratic candidate
Stefany Shaheen
DEMOCRATIC
Former Portsmouth City Councilor
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New Hampshire 12026 HOUSE POLLS

Anthony DiLorenzo, 2026 New Hampshire 1st District House Republican candidate
Anthony DiLorenzo
REPUBLICAN
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2026 New Hampshire 1st District House Forecast:

The Pollsmax 2026 New Hampshire 1st District House forecast currently gives Democrat Stefany Shaheen a 88.4% chance of defeating Republican Anthony DiLorenzo. Pollsmax projects Shaheen to receive 55.1% of the vote compared with 44.9% for DiLorenzo, a projected Democratic margin of 10.2 percentage points. The model currently rates the race as Likely Democratic. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 New Hampshire 1st District House election features Democrat Stefany Shaheen and Republican Anthony DiLorenzo. The seat is open in 2026, but the race to fill it is not expected to be competitive. In 2024, Donald Trump won New Hampshire's 1st congressional district by 3.5%, and the election for the district's House seat is rated as likely Democratic in 2026.

Year
2026
Race
House
District
NH-1
Democratic candidate
Stefany Shaheen
Republican candidate
Anthony DiLorenzo
Incumbent / open seat
Open seat
Forecast rating
Likely D
Projected vote
55.1% D / 44.9% R
Projected margin
D +10.2
Forecast odds
88.4% D / 11.6% R
Forecast last updated
12:00 AM on September 30, 2026
Polling average
56.0% D / 35.0% R
Polling average margin
D +21.0
Polling last updated
12:00 AM on September 21, 2026
Polls included
1
Latest poll
University of New Hampshire — September 21, 2026