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A Jewel in the Hills of SoCal

Diamond Bar exudes a peaceful and well-maintained atmosphere. The city is characterized by its spacious homes, tree-lined streets, and numerous parks, creating a welcoming environment for families and individuals alike. Residents take pride in their community, fostering a strong sense of belonging.

Downtown Diamond Bar
COMMUNITY GUIDE · DIAMOND BAR
Diamond Bar, Los Angeles County

City Snapshot

Population

55,072

County

Los Angeles County

Timezone

America/Los_Angeles

Median Income

$106,881

Quick Numbers

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Emergency Services

Poison Control

Suicide & Crisis Lifeline

Domestic Violence Hotline

Child Abuse Hotline

Veterans Crisis Line

Kaiser Permanente Diamond Bar Medical Offices

Pomona Valley Hospital Medical Center

This Week

Renée Neufville of Zhané, 6th Day, Do What I Want & More

2026-06-14

Archer Oh Invades The Observatory

2026-06-14 at 1:30 AM

AC/DC, Creed Tributes and more at the Arrow Room

2026-06-14 at 1:30 AM

'68

2026-06-14 at 2:00 AM

80's EXPLOSION! TRIBUTES to HUEY LEWIS + BILLY IDOL + B-52s + DEVO

2026-06-14 at 2:00 AM

Community Leaders

View All
A
Adam Schiff

U.S. Senator

Democrat Party

A
Alejandro Padilla

U.S. Senator

Democrat Party

Gavin Newsom
Gavin Newsom

Governor

Democratic Party