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United States Senate election in Delaware, 2026 (September 15 Democratic primary)

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U.S. Senate, Delaware
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Democratic primary
Republican primary
General election
Election details
Filing deadline: July 14, 2026
Primary: September 15, 2026
General: November 3, 2026
How to vote
Poll times:

7 a.m. to 8 p.m.
Voting in Delaware

Race ratings
Cook Political Report: Solid Democratic
DDHQ and The Hill: Pending
Inside Elections: Solid Democratic
Sabato's Crystal Ball: Safe Democratic
Ballotpedia analysis
U.S. Senate battlegrounds
U.S. House battlegrounds
Federal and state primary competitiveness
Ballotpedia's Election Analysis Hub, 2026
See also
U.S. Senate, Delaware
U.S. Senate • At-large
Delaware elections, 2026
U.S. Congress elections, 2026
U.S. Senate elections, 2026
U.S. House elections, 2026

A Democratic Party primary takes place on September 15, 2026, in Delaware to determine which Democratic candidate will run in the state's general election on November 3, 2026.

Candidate filing deadline Primary election General election
July 14, 2026
September 15, 2026
November 3, 2026


Heading into the election, the incumbent is Chris Coons (Democrat), who was first elected in 2010.

A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. Delaware utilizes a closed primary process, in which the selection of a party's candidates in an election is limited to registered party members.[1][2][3]

For information about which offices are nominated via primary election, see this article.

This page focuses on Delaware's United States Senate Democratic primary. For more in-depth information on the state's Republican primary and the general election, see the following pages:

Candidates and election results

Note: The following list includes official candidates only. Ballotpedia defines official candidates as people who:

  • Register with a federal or state campaign finance agency before the candidate filing deadline
  • Appear on candidate lists released by government election agencies

Democratic primary election

Democratic primary for U.S. Senate Delaware

Incumbent Chris Coons is running in the Democratic primary for U.S. Senate Delaware on September 15, 2026.

Candidate
Image of Chris Coons
Chris Coons

Incumbents are bolded and underlined.

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Candidate profiles

There are currently no candidate profiles created for this race. Candidate profiles will appear here as they are created. Encourage the candidates in this race to complete Ballotpedia's Candidate Connection survey so that their profile will appear here. You can ask candidates in this race to fill out the survey by clicking their names below:

Voting information

See also: Voting in Delaware

Ballotpedia will publish the dates and deadlines related to this election as they are made available.

Campaign finance

Name Party Receipts* Disbursements** Cash on hand Date
Chris Coons Democratic Party $4,027,804 $2,826,769 $3,041,548 As of June 30, 2025

Source: Federal Elections Commission, "Campaign finance data," 2026. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).

* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee."
** According to the FEC, a disbursement "is a purchase, payment, distribution, loan, advance, deposit or gift of money or anything of value to influence a federal election," plus other kinds of payments not made to influence a federal election.

Ballot access

This section will contain information on ballot access related to this state's elections when it is available.

See also

External links

Footnotes

  1. ↑ National Conference of State Legislatures, "State Primary Election Types," accessed July 22, 2024
  2. ↑ State of Delaware, "Primary Election," accessed July 22, 2024
  3. ↑ Delaware.gov, "TITLE 15 Elections, CHAPTER 49. Conduct of Election § 3110 Qualifications of voters," accessed July 22, 2024


Delaware's current delegation to the United States Congress
Senators
Lisa Blunt Rochester (D)
Chris Coons (D)
Representatives
Democratic Party (3)


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