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United States Senate elections, 2024

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2024 U.S. Senate Elections

Election Date
November 5, 2024

U.S. Senate Elections by State
Arizona • California • Connecticut • Delaware • Florida • Hawaii • Indiana • Maine • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Jersey • New Mexico • New York • North Dakota • Ohio • Pennsylvania • Rhode Island • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

U.S. House Elections

Elections to the U.S. Senate will be held on November 5, 2024, and 33 of the 100 seats are up for regular election. Special elections may be held to fill vacancies that occur in the 118th Congress.

Of the 33 regularly scheduled elections in 2024, 21 seats were held by Democrats and 10 seats were held by Republicans as of July 2020.

Those elected to the U.S. Senate in the 33 regular elections on November 5, 2024, will begin their six-year terms on January 3, 2025.

Click here for coverage of U.S. Senate elections in 2020.

Partisan balance

Democrats gained a net total of three seats in the 2020 Senate elections. This brought their caucus total to 50, including two independents who caucus with Democrats. Republicans held the other 50 seats following the elections.

The chart below shows historical partisan breakdown information for the chamber.

Seats up for election

There are 33 U.S. Senate seats up for regular election in 2024—21 seats held by Democrats and 10 held by Republicans as of July 2020.

The map below shows what seats are up for election and the current incumbent in each race.

Table last updated: July 29, 2020

2024 Senate elections
State Pre-election
Year first elected Last election
margin of victory
(percentage points)
Arizona Democratic Party Kyrsten Sinema 2018 2.4
California Democratic Party Dianne Feinstein 1992 8.4
Connecticut Democratic Party Christopher Murphy 2012 20.2
Delaware Democratic Party Thomas Carper 2000 22.2
Florida Republican Party Rick Scott 2018 0.2
Hawaii Democratic Party Mazie Hirono 2012 42.4
Indiana Republican Party Mike Braun 2018 5.9
Massachusetts Democratic Party Elizabeth Warren 2012 24.1
Maryland Democratic Party Benjamin Cardin 2006 34.6
Maine Independent Angus King 2012 19.1
Michigan Democratic Party Debbie Stabenow 2000 6.5
Minnesota Democratic Party Amy Klobuchar 2006 24.1
Missouri Republican Party Josh Hawley 2018 5.8
Mississippi Republican Party Roger Wicker 2006 19
Montana Democratic Party Jon Tester 2006 3.5
North Dakota Republican Party Kevin Cramer 2018 10.8
Nebraska Republican Party Deb Fischer 2012 19.1
New Jersey Democratic Party Robert Menendez 2006 11.2
New Mexico Democratic Party Martin Heinrich 2012 23.6
Nevada Democratic Party Jacky Rosen 2018 5
New York Democratic Party Kirsten Gillibrand 2008 64
Ohio Democratic Party Sherrod Brown 2006 6.8
Pennsylvania Democratic Party Robert Casey 2006 13.1
Rhode Island Democratic Party Sheldon Whitehouse 2006 23.1
Tennessee Republican Party Marsha Blackburn 2018 10.8
Texas Republican Party Ted Cruz 2012 2.6
Utah Republican Party Mitt Romney 2018 31.7
Virginia Democratic Party Tim Kaine 2012 16
Vermont Independent Bernard Sanders 2006 39.9
Washington Democratic Party Maria Cantwell 2000 16.8
Wisconsin Democratic Party Tammy Baldwin 2012 10.8
West Virginia Democratic Party Joe Manchin 2010 3.3
Wyoming Republican Party John Barrasso 2006 36.9

Seats that changed party hands in 2018

See also: United States Senate elections, 2018

In 2018—the last time these 33 seats were up for election—six seats changed party hands. Republicans picked up four seats and Democrats picked up two seats.

Senate seats that changed party hands, 2018
State Pre-election incumbent 2018 winner Margin of victory
(percentage points)
Arizona Republican Party Jeff Flake Democratic Party Kyrsten Sinema 2.4
Florida Democratic Party Bill Nelson Republican Party Rick Scott 0.2
Indiana Democratic Party Joe Donnelly Republican Party Mike Braun 5.9
Missouri Democratic Party Claire McCaskill Republican Party Josh Hawley 5.8
North Dakota Democratic Party Heidi Heitkamp Republican Party Kevin Cramer 10.8
Nevada Republican Party Dean Heller Democratic Party Jacky Rosen 5

Historical comparison

Important dates and deadlines

This section will provide important dates throughout the 2024 congressional election cycle, including filing deadlines, primaries, and campaign finance reporting deadlines, when available.

Wave elections

See also: Wave elections (1918-2016)

In a July 2018 report, Ballotpedia defined wave elections as the 20 percent of elections in the last 100 years resulting in the greatest seat swings against the president's party. U.S. Senate waves from 1918 to 2016 are listed in the table below.

U.S. Senate wave elections
Year President Party Election type Senate seats change Senate majority[1]
1932 Hoover R Presidential -13 D (flipped)
1958 Eisenhower R Second midterm -12 D
1980 Carter D Presidential -11 R (flipped)
1946 Truman D First midterm -10 R (flipped)
1942 Roosevelt D Third midterm -9 D
2014 Obama D Second midterm -9 R (flipped)
1986 Reagan R Second midterm -8 D (flipped)
2008 George W. Bush R Presidential -8 D
1926 Coolidge R First midterm[2] -7 R
1930 Hoover R First midterm -7 R

See also

External links


  1. Denotes the party that had more seats in the U.S. Senate following the election.
  2. Calvin Coolidge's (R) first term began in August 1923 after the death of President Warren Harding (R), who was first elected in 1920. Before he had his first midterm in 1926, Coolidge was re-elected as president in 1924.