Race2026 cycle · RunoffsPrimary day 15 Sep 2026Updated

Cite this page

DonorAlpha, “Delaware Senate primary 2026”, https://donoralpha.com/races/delaware-senate-primary-2026?e=c2026&el=runoff, updated .

Delaware Senate primary 2026

No. 63 of 68 Senate races in the 2026 cycle

This race is in the 2026 primaries.

The short version

In the 2026 Delaware Senate primary, 2 outside groups spent $11,569: $11,569 supporting Christopher Coons (D).

$11,569

outside money

supporting Christopher Coons (D)
$11,569

Outside money supporting and opposing each candidate

Both sides on one scale
← OpposingSupporting →
  • Christopher Coons Democrat

    $11,569

    $11,569 supporting Christopher Coons

The long version

The candidates

What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.

Week by week

Outside money each week, supporting and opposing the candidates, all candidates combined.

Week of 24 Aug 2026

Supporting $11,559

Supporting candidatesOpposing candidates

The groups on each side

The biggest outside groups in this race, by what they spent supporting or opposing each candidate.

Spent supporting a candidate

  1. Sierra Club Independent Actionsupporting Christopher Coons$10

Who’s connected to whom

The groups that spent supporting or opposing the candidates.

Groups that spentCandidatesNational Association of Realtors Political Action Committee spent $11,559 supporting Christopher Coons · $11,559Sierra Club Independent Action spent $10 supporting Christopher Coons · $10National Association ofRealtors Political ActionCommitteeNational Association of Realtors Political Action CommitteeGroup · $11,559Sierra Club IndependentActionSierra Club Independent ActionGroup · $10Christopher CoonsChristopher CoonsCandidate · $11,569
  • National Association of Realtors Political Action Committee spent supporting Christopher Coons · $11,559
  • Sierra Club Independent Action spent supporting Christopher Coons · $10
GaveSpent supportingSpent opposingSwipe to see the whole map.
  • National Association of Realtors Political Action Committee spent $11,559 supporting Christopher Coons$11,559
For reporters, researchers and the professionally curious

Go deeper

The paperwork behind this race, all of it. Free with an email sign-in.

The paperwork

Sign in free with your email

It’s free. We only want your email address. We’ll never ask you to chip in $5.