New Hampshire Senate

Current Read

New Hampshire’s open Senate seat begins as a Democratic-leaning battleground, though the margin depends heavily on which Republican emerges.

Democrats still benefit from the state’s recent presidential blue streak, and Chris Pappas gives them the cleaner open-seat baseline. But with Jeanne Shaheen retiring, the race is no longer safely off the board, especially if Republicans land on a stronger statewide fit than Scott Brown.

The Democratic lane remains stronger than the national environment alone would imply, though the state is still small enough to move quickly under pressure.

Live forecast

56%Democratic win

Median D+4

Updated Mar 31, 5:20 PM PDT

Simulated outcomes

Each run represents one modeled New Hampshire Senate outcome across turnout, persuasion, and late-break scenarios.

Likely range D+1 to D+8 · 1,200 modeled runs

Likely range

Median

Current interpretation

New Hampshire leans Democratic overall, but the seat is competitive enough that nominee quality still matters a great deal.

The shaded band marks the range where the model clusters the most likely finishes for this scenario set.

What moved recently

Mar 31, 5:20 PM PDT

New Hampshire still leans Democratic, but a stronger GOP field tightens the range

The Democratic lane remains stronger than the national environment alone would imply, though the state is still small enough to move quickly under pressure.

Simulated outcomes

Inside the district twin

How the modeled New Hampshire electorate sorts the Senate open seat

TwinPolls models New Hampshire as a synthetic electorate of 500 voters, grouped into the blocs doing the most work in an open-seat Senate race with a large independent vote.

500 synthetic personas

Select a bloc to see how that slice of the district twin is carrying the forecast.

Democratic vote engine

New Hampshire metro core

Dense metro bloc that supplies the biggest Democratic margins in the statewide model.

Share of twin

20% · 100

Lean

D+42

Stability

Medium

Persuadability

Low

Why it matters

This bloc is the main Democratic counterweight to conservative geography elsewhere in the state. The model mostly moves it through turnout depth rather than persuasion.

District twin

Race read

What is holding New Hampshire Senate, and what could still tighten it

The baseline is firm, but the tightening paths are concrete. These are the forces doing the most work in the current read.

Holding · High

Pappas gives Democrats a credible open-seat baseline

The Democratic edge starts with Chris Pappas being the best-known and most obviously general-election-tested candidate in the field.

Risk · High

Sununu would make this seat much tighter than Brown does

Public reads against Scott Brown look comfortable for Democrats, but a John Sununu nomination compresses the race much closer to a true toss-up.

Holding · Medium

New Hampshire still starts from a blue presidential baseline

Democrats have won the state’s presidential popular vote in each of the last six elections, which keeps the open seat leaning their way absent a stronger GOP nominee.

Risk · Medium

Independent voters keep the race more elastic than the topline suggests

Because the state has a large independent bloc, late movement or nominee-specific appeal can shift the center faster than in a more partisan seat.