City council
Diamond Bar City Council
Schedule confirmed · checked November 3, 2026
Key facts
- Population (2020 Census)
- 55,072
- Incorporated
- April 18, 1989
- Regular meetings
- 1st and 3rd Tuesdays, 6:30 p.m.
County services here, such as public health and social services, are governed by the LA County Board of Supervisors.
Recent decisions
We have not explained a Diamond Bar City Council decision yet. Is a vote coming up? Send the agenda item to [email protected].