Primary
Primary election: Tuesday, September 15, 2026 in 12 days
Full calendar and every race: Delaware primary guide
Race Overview
These polls test pre-primary pairings. The primary is Tuesday, September 15, 2026; nominees are not locked. The PollingSource average is an average of those polls, not a forecast.
Candidates
Primary field — nominees are not locked until Tuesday, September 15, 2026.
Average reflects all polls from the last 30 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
No polls in the last 90 days.
Questions About This Race
Who is winning the 2026 Delaware Senate race?
The primary is Tuesday, September 15, 2026; nominees are not locked. Listed poll pairings are pre-primary tests, not a general-election matchup. There is no PollingSource average for a locked general pairing yet.
Is the 2026 Delaware Senate race competitive?
No — the expert consensus rates it Safe D for Democrats.
When is the 2026 Delaware Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 30 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
Three-term incumbent
Independent Expenditures Updated just now
Top Spenders
- NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE Dem-aligned $11,559
- SIERRA CLUB INDEPENDENT ACTION Dem-aligned $10
Full outside-spending research — every committee, every race →