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United States · Election results history · 1972 Senate · Delaware
Election 1972 Results

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1972 US Senate election in Delaware

Joe Biden (Democrat) beat J. Caleb Boggs (Republican) in Delaware in 1972, 50.5% to 49.1%, a margin of 1.4 points and 3,162 votes.

Delaware changed party: in 1966 it went Republican, for J. Caleb Boggs.

Democrats led in 2 of the 3 counties as they stood then and Republicans in 1. The largest, New Castle, cast 168,955 votes and went to the Democrat by 1.0 point. The closest was Sussex, where 59 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Joe Biden won Democratic 116,006 50.5%
J. Caleb Boggs Republican 112,844 49.1%
All other candidates 978 0.4%
Total229,828

Every county

CountyDemocratRepublicanOthersTotalMargin
New Castle 85,017 50.3% 83,273 49.3% 665 168,955 D+1.0
Sussex 16,391 49.7% 16,450 49.9% 152 32,993 R+0.2
Kent 14,598 52.4% 13,121 47.1% 161 27,880 D+5.3

Counties as they stood in 1972; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Delaware Senate elections we hold

YearWinnerMargin
2024 Lisa Blunt Rochester (D) D+17.1
2020 Christopher A Coons (D) D+21.5
2018 Thomas R Carper (D) D+22.1
2014 Christopher A. Coons (D) D+13.6
2012 Thomas R. Carper (D) D+37.5
2008 Joseph R. Biden Jr. (D) D+29.4
2006 Tom Carper (D) D+39.7
2002 Joseph R. Biden Jr. (D) D+17.4
2000 Thomas R. Carper (D) D+11.8
1996 Joseph R. Biden Jr. (D) D+21.9
1994 William V. Roth, Jr. (R) R+13.3
1990 Joseph R. Biden Jr. (D) D+26.8
1988 William V. Roth, Jr. (R) R+24.1
1984 Joseph R. Biden Jr. (D) D+20.2
1982 William V. Roth, Jr. (R) R+11.0
1978 Joseph R. Biden Jr. (D) D+16.9
1976 William V. Roth, Jr. (R) R+12.2
1972 Joe Biden (D) D+1.4
1970 William Roth (R) R+18.7
1966 J. Caleb Boggs (R) R+18.2
1964 John J. Williams (R) R+3.5
1960 J. Caleb Boggs (R) R+1.4
1958 John Williams (R) R+6.6
1954 J. Allen Frear Jr. (D) D+13.9
1952 John J. Williams (R) R+9.0
1948 J. Allen Frear Jr. (D) D+2.6
1946 John J. Williams (R) R+10.3
1942 Clayton D. Buck (R) R+9.2
1940 James M. Tunnell (D) D+3.3
1936 James H. Hughes (D) D+11.6
1934 John G. Townsend Jr. (R) R+7.1
1930 Daniel O. Hastings (R) R+9.1
1928 John G. Townsend Jr. (R) R+21.9
1924 T.Coleman du Pont (R) R+18.7
1922 Thomas F. Bayard Jr. (D) D+0.4
1918 L. Heisler Ball (R) R+3.3
1916 Josiah O. Wolcott (D) D+4.9