The 2024 District of Columbia Democratic presidential primary was held on June 4, 2024, as part of the Democratic Party primaries for the 2024 presidential election.

52 delegates to the 2024 Democratic National Convention will be allocated to presidential candidates.

[1] Incumbent President Joe Biden announced his bid for a second term on April 25, 2023.

[2] Biden won the primary.

Three candidates filed for the Democratic presidential primary ballot before the deadline:[3]