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United States Senate election in Delaware, 2024 (September 10 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 9, 2024
Primary: September 10, 2024
General: November 5, 2024
Pre-election incumbent:
Tom Carper (Democratic)
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: Safe Democratic
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, 2024
See also
U.S. Senate, Delaware
U.S. Senate • At-large
Delaware elections, 2024
U.S. Congress elections, 2024
U.S. Senate elections, 2024
U.S. House elections, 2024

A Democratic Party primary took place on September 10, 2024, in Delaware to determine which Democratic candidate would run in the state's general election on November 5, 2024.

Lisa Blunt Rochester advanced from the Democratic primary for U.S. Senate Delaware.

Thirty-four of 100 seats in the U.S. Senate were up for election in 2024, including one special election. At the time of the election, Democrats had a 51-49 majority.[1] Of the seats up for election in 2024, Democrats held 19, Republicans held 11, and independents held four. As of May 2024, eight members of the U.S. Senate had announced they were not running for re-election.

Candidate filing deadline Primary election General election
July 9, 2024
September 10, 2024
November 5, 2024


Heading into the election, the incumbent was Tom Carper (Democrat), who was first elected in 2000.

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.[2]

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

Democratic primary election

The Democratic primary election was canceled. Lisa Blunt Rochester advanced from the Democratic primary for U.S. Senate Delaware.

Withdrawn or disqualified candidates

Candidate profiles

There were no candidate profiles created for this race. Candidate profiles would have appeared here as candidates completed Ballotpedia's Candidate Connection survey.

Voting information

See also: Voting in Delaware

Election information in Delaware: Sep. 10, 2024, election.

What was the voter registration deadline?

  • In-person: Aug. 17, 2024
  • By mail: Postmarked by Aug. 17, 2024
  • Online: Aug. 17, 2024

Was absentee/mail-in voting available to all voters?

No

What was the absentee/mail-in ballot request deadline?

  • In-person: Sep. 9, 2024
  • By mail: Received by Sep. 6, 2024
  • Online: Sep. 6, 2024

What was the absentee/mail-in ballot return deadline?

  • In-person: Sep. 10, 2024
  • By mail: Received by Sep. 10, 2024

Was early voting available to all voters?

N/A

What were the early voting start and end dates?

Aug. 28, 2024 to Sep. 8, 2024

Were all voters required to present ID at the polls? If so, was a photo or non-photo ID required?

N/A

When were polls open on Election Day?

7:00 p.m. - 8:00 p.m. (EST)


Campaign finance

Name Party Receipts* Disbursements** Cash on hand Date
Lisa Blunt Rochester Democratic Party $9,934,497 $9,790,040 $144,457 As of December 31, 2024

Source: Federal Elections Commission, "Campaign finance data," 2024. 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

The table below details filing requirements for U.S. Senate candidates in Delaware in the 2024 election cycle. For additional information on candidate ballot access requirements in Delaware, click here.

Filing requirements for U.S. Senate candidates, 2024
State Office Party Signatures required Signature formula Filing fee Filing fee formula Filing deadline Source
Delaware U.S. Senate Ballot-qualified party N/A N/A $10,440 Fixed number 7/9/2024 Source
Delaware U.S. Senate Unaffiliated 7,124 1% of all eligible voters N/A N/A 9/3/2024 Source

Election analysis

Click the tabs below to view information about demographics, past elections, and partisan control of the state.

  • Presidential elections - Information about presidential elections in the state.
  • Statewide elections - Information about recent U.S. Senate and gubernatorial elections in the state.
  • State partisanship - The partisan makeup of the state's congressional delegation and state government.
  • Demographics - Information about the state's demographics and how they compare to the country as a whole.


See also: Presidential voting trends in Delaware and The Cook Political Report's Partisan Voter Index

Cook PVI by congressional district

Cook Political Report's Partisan Voter Index for Delaware, 2024
District Incumbent Party PVI
Delaware's At-Large Open (Lisa Blunt Rochester) Electiondot.png Democratic D+7


2020 presidential results by 2024 congressional district lines

2020 presidential results in congressional districts based on 2024 district lines, Delaware[3]
District Joe Biden Democratic Party Donald Trump Republican Party
Delaware's At-Large 58.8% 39.8%


2012-2020

How a state's counties vote in a presidential election and the size of those counties can provide additional insights into election outcomes at other levels of government including statewide and congressional races. Below, four categories are used to describe each county's voting pattern over the 2012, 2016, and 2020 presidential elections: Solid, Trending, Battleground, and New. Click [show] on the table below for examples:


Following the 2020 presidential election, 57.7% of Delawareans lived in New Castle County, the state's one Solid Democratic county, which voted for the Democratic presidential candidate in every election from 2012 to 2020, and 24.0% lived in Sussex County, the state's one Solid Republican county. Overall, Delaware was Solid Democratic, having voted for Barack Obama (D) in 2012, Hillary Clinton (D) in 2016, and Joe Biden (D) in 2020. Use the table below to view the total number of each type of county in Delaware following the 2020 election as well as the overall percentage of the state population located in each county type.

Historical voting trends

Delaware presidential election results (1900-2020)

  • 15 Democratic wins
  • 16 Republican wins
Year 1900 1904 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 2004 2008 2012 2016 2020
Winning Party R R R D R R R R R D D D R R R D D R R D R R R D D D D D D D D

This section details the results of the five most recent U.S. Senate and gubernatorial elections held in the state.

U.S. Senate elections

See also: List of United States Senators from Delaware

The table below details the vote in the five most recent U.S. Senate races in Delaware.

U.S. Senate election results in Delaware
Race Winner Runner up
2020 59.4%Democratic Party 37.9%Republican Party
2018 60.0%Democratic Party 37.8%Republican Party
2014 55.8%Democratic Party 42.4%Republican Party
2012 66.4%Democratic Party 29.0%Republican Party
2010 56.6%Democratic Party 40.0%Republican Party
Average 59.6 37.4

Gubernatorial elections

See also: Governor of Delaware

The table below details the vote in the five most recent gubernatorial elections in Delaware.

Gubernatorial election results in Delaware
Race Winner Runner up
2020 59.5%Democratic Party 38.6%Republican Party
2016 58.3%Democratic Party 39.2%Republican Party
2012 69.3%Democratic Party 28.6%Republican Party
2008 67.5%Democratic Party 32.1%Republican Party
2004 50.9%Democratic Party 45.8%Republican Party
Average 61.1 36.9
See also: Party control of Delaware state government

Congressional delegation

The table below displays the partisan composition of Delaware's congressional delegation as of May 2024.

Congressional Partisan Breakdown from Delaware
Party U.S. Senate U.S. House Total
Democratic 2 1 3
Republican 0 0 0
Independent 0 0 0
Vacancies 0 0 0
Total 2 1 3

State executive

The table below displays the officeholders in Delaware's top four state executive offices as of May 2024.

State executive officials in Delaware, May 2024
Office Officeholder
Governor Democratic Party John Carney Jr.
Lieutenant Governor Democratic Party Bethany Hall-Long
Secretary of State Democratic Party Jeffrey W. Bullock
Attorney General Democratic Party Kathy Jennings

State legislature

Delaware State Senate

Party As of February 2024
     Democratic Party 15
     Republican Party 6
     Other 0
     Vacancies 0
Total 21

Delaware House of Representatives

Party As of February 2024
     Democratic Party 26
     Republican Party 15
     Other 0
     Vacancies 0
Total 41

Trifecta control

The table below shows the state's trifecta status from 1992 until the 2024 election.

Delaware Party Control: 1992-2024
Sixteen years of Democratic trifectas  •  No Republican trifectas
Scroll left and right on the table below to view more years.

Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Governor R D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D
Senate D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D
House R R R R R R R R R R R R R R R R R D D D D D D D D D D D D D D D D

The table below details demographic data in Delaware and compares it to the broader United States as of 2022.

Demographic Data for Delaware
Delaware United States
Population 989,948 331,449,281
Land area (sq mi) 1,948 3,531,905
Race and ethnicity**
White 63.8% 65.9%
Black/African American 22% 12.5%
Asian 4.1% 5.8%
Native American 0.3% 0.8%
Pacific Islander 0% 0.2%
Other (single race) 3.3% 6%
Multiple 6.5% 8.8%
Hispanic/Latino 9.9% 18.7%
Education
High school graduation rate 91.2% 89.1%
College graduation rate 34.5% 34.3%
Income
Median household income $79,325 $75,149
Persons below poverty level 7.5% 8.8%
Source: population provided by U.S. Census Bureau, "Decennial Census" (2020). Other figures provided by U.S. Census Bureau, "American Community Survey" (5-year estimates 2017-2022).
**Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here.

See also

External links

Footnotes

  1. ↑ Two Independents caucused with the Democratic Party. Another independent, Sen. Kyrsten Sinema, counted toward the Democratic majority for committee purposes.
  2. ↑ Del. Code Online, "§ 3110. Qualifications of voters," accessed October 28, 2025
  3. ↑ Daily Kos, "Daily Kos Elections' presidential results by congressional district for 2020, 2016, and 2012," accessed December 15, 2023


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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