The following is a list of events of the year 2025 in Delaware.

Incumbents State government Governor: until 7 January: John Carney (D) 7 January-21 January: Bethany Hall-Long (D) starting 21 January: Matt Meyer (D)

Events January 3 – Sarah McBride takes office as U.S. Representative for Delaware's at-large district, making her the first transgender member of congress. February 15 – 2025 Delaware Senate District 1 special election 2025 Delaware Senate District 5 special election August 1 – Recreational cannabis sales begin in Delaware. September 18 – Delaware joins nine other states in the Northeast Public Health Collaborative, a collaborative health agency among Northeastern states. December 23 – A gunman kills a Delaware State Trooper at a DMV office south of Wilmington. A responding police officer fatally shoots the gunman.

See also 2025 in the United States

References