Diamond Bar, California
Diamond Bar is a city in eastern Los Angeles County, California, United States. At the 2010 census it had a population of 55,544, and in 2019 the population was estimated to be 55,720. It is named after the "diamond over a bar" branding iron registered in 1918 by ranch owner Frederic E. Lewis (1884–1963). The city features a public Los Angeles County golf course.
Diamond Bar, California | |
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City | |
A residential area among the hills of Diamond Bar City | |
Flag | |
Location of Diamond Bar in Los Angeles County, California | |
Diamond Bar, California Location in the United States | |
Coordinates: 34°0′6″N 117°49′15″W | |
Country | United States |
State | California |
County | Los Angeles |
Incorporated | April 18, 1989 |
Named for | Diamond Bar Ranch |
Government | |
• Mayor | Stan Liu |
• Mayor Pro Tem | Chia Yu Teng |
• City Council | Andrew Chou Ruth M. Low Steve Tye |
Area | |
• Total | 14.88 sq mi (38.53 km2) |
• Land | 14.87 sq mi (38.51 km2) |
• Water | 0.01 sq mi (0.01 km2) 0.04% |
Elevation | 696 ft (212 m) |
Population (2020) | |
• Total | 55,072 |
• Density | 3,703.56/sq mi (1,429.91/km2) |
Time zone | UTC−8 (Pacific) |
• Summer (DST) | UTC−7 (PDT) |
ZIP Codes | 91765, 91789 (91789 is shared with Walnut, CA) |
Area code | 909 |
FIPS code | 06-19192 |
GNIS feature IDs | 1660549, 2410334 |
Website | www |
Located at the junction of the Pomona and Orange freeways, Diamond Bar is primarily residential with shopping centers interspersed throughout the city. It is surrounded by the cities of Brea, Walnut, Chino Hills, Pomona, City of Industry, and the unincorporated areas of Rowland Heights and South Diamond Bar.
Northern Diamond Bar is a part of the Pomona Unified School District. Southern Diamond Bar is a part of the Walnut Valley Unified School District. The city is also served by International Polytechnic High School. It also has the first hydrogen fueling station to be built in Southern California, near the South Coast Air Quality Management District building.