Diamond Bar
A city in Los Angeles County, California — population 54,880 as of 2020.
Extreme Heat Warning — Extreme Heat Warning issued July 31 at 9:01PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Air Quality Alert — Air Quality Alert issued July 30 at 4:02PM PDT by NWS Los Angeles/Oxnard CA
Extreme Heat Warning — Extreme Heat Warning issued July 31 at 9:01PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Heat Advisory — Heat Advisory issued July 31 at 9:01PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Extreme Heat Warning — Extreme Heat Warning issued July 31 at 9:01PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Heat Advisory — Heat Advisory issued July 31 at 9:01PM PDT until August 2 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Coastal Flood Advisory — Coastal Flood Advisory issued July 31 at 8:31PM PDT until August 1 at 3:00AM PDT by NWS Los Angeles/Oxnard CA
High Surf Advisory — High Surf Advisory issued July 31 at 8:31PM PDT until August 1 at 5:00PM PDT by NWS Los Angeles/Oxnard CA
Tonight
69°F
Mostly Clear
Saturday
94°F
Sunny
Saturday Night
69°F
Mostly Clear
Sunday
91°F
Sunny
News around Los Angeles County
WMNF 88.5
July 24SOTD 7/24/26 Count the Roses by Zzzahara
The WMNF Song of the Day for July 24, is 2026 is “Count the Roses” by Zzzahara. There is something completely bewitching about the way Zzzahara turns hard, hidden feelings into sweet daydreams. Born and raised in Los Angeles, this singer-songwriter and guitarist (Zahara Jaime)…
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Diamond Bar by the numbers
Population
54,880Population figure, 2020
Households & income
- Area
- 14.88 sq mi (38.53 km²), 0.01 sq mi water
- Median age
- 45.7
- Households
- 18,005
- Persons per household
- 3
- Median household income
- $108,281
- Median house value
- $902,200
Municipal office
- Office
- CITY MANAGERS OFFICE
- Address
- 21810 COPLEY DRIVE, DIAMOND BAR, CA 91765