2026 forecast · Delaware at-large

Sarah McBride is all but certain to win Delaware's at-large District.

Sarah McBride vs Joseph Arminio. The model has McBride ahead by 28.4 points, winning 100 percent of 2,000 simulated elections.

Safe DModel D +28.4Updated October 22, 2026
Sarah McBride
Democrat
64.2%
268,478 projected votes
Joseph Arminio
Republican
35.8%
149,801 projected votes
100%McBride
0%Arminio
McBride all but certainEach square is one simulated election night, McBride wins about 100 of 100
RatingSafe D100% chance for McBride
Model marginD +28.4No polls in the race
80 percent rangeD +36.7 to D +20.12,000 simulations
Projected votes418,279McBride 64.2%

The district map

Every district in the state, shaded by its rating

Delaware districts

1 districts
Safe DLikely DLean DToss upLean RLikely RSafe R

Vote share

Each candidate's projected share and the range of 80 percent of simulations

Sarah McBrideDemocrat · 100% to win
64.2%
Joseph ArminioRepublican · 0% to win
35.8%

Scale runs from 25 to 75 percent. The dot is the forecast, the band is the 80 percent range and the brighter tick marks 50 percent.

Projected district vote

418,279 votes
CandidateVotesShare
Sarah McBride D268,47864.2%
Joseph Arminio R149,80135.8%
Total418,279100%

Each candidate's expected vote in the On Point simulation, at the forecast's projected turnout.

The trend

Each side's chance of winning over the forecast's recent updates

0%25%50%75%100%100% McBride0% Arminio15 updates agoToday

Polling

Every poll in the average, and how the model reads it

Polls of the race

PollsterSampleAgeMargin
On Point averageWeighted averageNo polls

Each margin is the poll as the pollster published it. The forecast counts every poll after its house effect and the undecided split, which is what the trail above shows; hover a margin for the counted value. Lean R and Lean D mark partisan leaning firms.

Model margin
McBride +28.4
Chance of winning
Sarah McBride100%
Joseph Arminio0%
Simulated vote
Sarah McBride64.2%
Joseph Arminio35.8%
How the model gets there
Partisan leanR +15.0
FundamentalsD +28.3
With pollsD +27.8
Early vote turnoutD +0.6
With early voteD +28.4

Read from 0 ballots cast so far in Delaware, against the party mix the forecast expected of them, with similar states and primary turnout. Early vote tracker

How we got here

From the state's partisan lean to the forecast, one stage at a time

D +34R +34Partisan leanthe state's baselineR +15.0Fundamentalsapproval, economy, candidatesD +28.3With pollsno pollsD +27.8With early voteturnout so farD +28.4
Methodology
Every county is rebuilt by simulating voters going to the polls, 2,000 times, from On Point Polling survey data, past results, and the polling average. How the model works.