Elections to Weymouth and Portland Borough Council were held on 10 June 2004. The whole council was up for election with boundary changes since the last election in 2003 increasing the number of seats by 1. The council stayed under no overall control.

• 2004 Weymouth and Portland election result
• Ward results Archived 8 January 2007 at the Wayback Machine
• Golden plan for borough^{[permanent dead link]}