2024 District of Columbia Republican presidential primary

2024 District of Columbia Republican presidential primary

March 1–3, 2024

19 Republican National Convention delegates
 
Candidate Nikki Haley Donald Trump
Home state South Carolina Florida
Delegate count 19 0
Popular vote 1,279 676
Percentage 62.85% 33.22%

The 2024 District of Columbia Republican presidential primary was held from March 1 to 3, 2024, as part of the Republican Party primaries for the 2024 presidential election. 19 delegates to the 2024 Republican National Convention were allocated on a winner-take-all basis. Nikki Haley won the primary with a nearly 30-point lead against Donald Trump, with all delegates going to her. It was Haley's first win nationwide in the primaries and marked the first time a woman won a Republican presidential primary in U.S. history. It is also the only primary Trump lost in both of his contested presidential bids.