1980 Massachusetts Democratic presidential primary

The 1980 Massachusetts Democratic presidential primary was held on March 4, 1980. As part of the 1980 Democratic Party presidential primaries for the 1980 United States presidential election, this was the fourth primary since Iowa, Maine and New Hampshire. 112 pledged delegates to the 1980 Democratic National Convention were allocated to presidential candidates. U.S. Senator Ted Kennedy defeated incumbent President Jimmy Carter surprised by 78 pledged delegates and 590,404 popular votes. Kennedy defeated Carter in his home state.^[1]

Quick facts 112 pledged delegates to the, Candidate ...

1980 Massachusetts Democratic presidential primary

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112 pledged delegates to the 1980 Democratic National Convention
Candidate Ted Kennedy Jimmy Carter Home state Massachusetts Georgia Delegate count 78 34 Popular vote 590,404 260,391 Percentage 65.07% 28.70%
County results Municipality results Kennedy   40–50%   50–60%   60–70%   70–80%   80–90% Carter   30–40%   40–50%   50–60%   60–70%   70–80% Tie   40–50%

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This marked an incumbent President lost to a primary since the 1964 Democratic Party presidential primaries when President Lyndon Johnson lost to George Wallace in Washington D.C by unpleged delegates. Jimmy Carter perhaps became the last President who lost a primary while during incumbent until incumbent President Joe Biden lost to Jason Palmer in the 2024 American Samoa Democratic presidential caucus.^[2]