Political party strength in Delaware

Delaware is a state in the Mid-Atlantic region of the United States. The Government of Delaware is composed of the executive branch, legislative branch, and judicial branch. Delaware's executive branch has five elected offices, they are Governor, [Lieutenant Governor of Delaware|Governor of Delaware|Lieutenant Governor], Attorney General, State Treasurer, Auditor of Accounts, and Insurance Commissioner. The state legislature is made of the Delaware House of Representatives and Delaware Senate. From 1776 to 1792, the position of Governor was known as President.
Additionally, the state sends two senators and one representative to the United States Congress. All three seats are elected at-large. As of the 2024 House of Representatives election, the state's representative is Sarah McBride, the first openly transgender person elected to Congress.
In the 1960s and 1970s the state's politics were dominated by the Republican party. In the 1980s the state began to shift towards the Democratic party. Writing for The News Journal, William B. Golin credited the shift towards the Democratic party to the upset victory of then-County Councilman Joe Biden in the 1972 United States Senate election.