Diamond Bar, California

Diamond Bar, California
Diamond Bar, California
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 / 34.00167°N 117.82083°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.diamondbarca.gov

Diamond Bar is a city in eastern Los Angeles County, California, United States.^[7] At the 2010 census it had a population of 55,544,^[8] and in 2019 the population was estimated to be 55,720.^[9] 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.

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.^[10]

Northern Diamond Bar is a part of the Pomona Unified School District.^[11] Southern Diamond Bar is a part of the Walnut Valley Unified School District.^[12] The city is also served by International Polytechnic High School.^[13] It also has the first hydrogen fueling station to be built in Southern California,^[14] near the South Coast Air Quality Management District building.

^ "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved August 25, 2014.
^ "Council Members". City of Diamond Bar. Archived from the original on February 6, 2015. Retrieved December 16, 2014.
^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
^ "Diamond Bar". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved February 26, 2015.
^ "USPS – ZIP Code Lookup – Find a ZIP+ 4 Code By City Results". Retrieved January 18, 2007.
^ "Number Administration System – NPA and City/Town Search Results". Archived from the original on September 26, 2007. Retrieved January 18, 2007.
^ "Diamond Bar Country". diamonbarcountry.com. Retrieved July 31, 2015.
^ "Geographic Identifiers: 2010 Census Summary File 1 (G001), Diamond Bar city, California". American FactFinder. U.S. Census Bureau. Archived from the original on February 13, 2020. Retrieved September 4, 2019.
^ "Population and Housing Unit Estimates". Retrieved May 21, 2020.
^ "Google Maps". Google Maps. Retrieved January 26, 2017.
^ "Pomona Unified". Edline. Archived from the original on January 28, 2015. Retrieved January 26, 2017.
^ "Best School Districts for Your Buck in Southern California". NerdWallet. Archived from the original on July 27, 2015. Retrieved July 31, 2015.
^ "iPoly High School / Homepage". www.ipolyhighschool.org.
^ "AQMD Celebrates Grand Opening of the First Hydrogen Highway Network Fueling Station in Southern California" (Press release). South Coast Air Quality Management District. August 13, 2004. Archived from the original on May 10, 2008. Retrieved May 10, 2008.

[1] "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved August 25, 2014.

[cc-2] "Council Members". City of Diamond Bar. Archived from the original on February 6, 2015. Retrieved December 16, 2014.

[CenPopGazetteer2020-3] "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.

[4] "Diamond Bar". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved February 26, 2015.

[5] "USPS – ZIP Code Lookup – Find a ZIP+ 4 Code By City Results". Retrieved January 18, 2007.

[6] "Number Administration System – NPA and City/Town Search Results". Archived from the original on September 26, 2007. Retrieved January 18, 2007.

[http://www.diamondbarcountry.com/-7] "Diamond Bar Country". diamonbarcountry.com. Retrieved July 31, 2015.

[Census_2010-8] "Geographic Identifiers: 2010 Census Summary File 1 (G001), Diamond Bar city, California". American FactFinder. U.S. Census Bureau. Archived from the original on February 13, 2020. Retrieved September 4, 2019.

[USCensusEst2019-9] "Population and Housing Unit Estimates". Retrieved May 21, 2020.

[10] "Google Maps". Google Maps. Retrieved January 26, 2017.

[11] "Pomona Unified". Edline. Archived from the original on January 28, 2015. Retrieved January 26, 2017.

[nerdwallet.com-12] "Best School Districts for Your Buck in Southern California". NerdWallet. Archived from the original on July 27, 2015. Retrieved July 31, 2015.

[13] "iPoly High School / Homepage". www.ipolyhighschool.org.

[14] "AQMD Celebrates Grand Opening of the First Hydrogen Highway Network Fueling Station in Southern California" (Press release). South Coast Air Quality Management District. August 13, 2004. Archived from the original on May 10, 2008. Retrieved May 10, 2008.

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