Altadena, California

Altadena, California
Altadena, California
Census-designated place
	Aerial view of Altadena and Eaton Canyon
	Flag
	Location of Altadena in Los Angeles County, California
	Altadena, California Location in the United States
	Coordinates: 34°11′19″N 118°8′5″W / 34.18861°N 118.13472°W
Country	United States
State	California
County	Los Angeles
Area
• Total	8.48 sq mi (21.97 km2)
• Land	8.46 sq mi (21.92 km2)
• Water	0.02 sq mi (0.04 km2) 0.19%
Elevation	1,358 ft (414 m)
Population (2020)
• Total	42,846
• Density	5,061.55/sq mi (1,954.26/km2)
	2016 estimate: 45,001
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
ZIP Codes	91001, 91003
Area code	626
FIPS code	06-01290
GNIS feature IDs	1652662, 2407732

Altadena (pronunciation^ⓘ) is an unincorporated area^[3]^[4] and census-designated place in the Verdugo Mountains^[5] region of Los Angeles County, California, approximately 14 miles (23 km) from downtown Los Angeles, and directly north of the city of Pasadena, California. The population was 42,777 at the 2010 census, up from 42,610 at the 2000 census.

^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
^ "Altadena". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved October 19, 2014.
^ Los Angeles County publication: "Unincorporated Areas within the County of Los Angeles", Altadena listed by Los Angeles County government office, as an unincorporated city Archived May 27, 2010, at the Wayback Machine, "Los Angeles County publication: 'Unincorporated Areas within the County of Los Angeles'", verified September 27, 2010
^ Los Angeles County Office of Unincorporated Area Services, Altadena listed by Los Angeles County government office, as an unincorporated area Archived January 8, 2011, at the Wayback Machine, "Los Angeles County Office of Unincorporated Area Services", verified September 27, 2010
^ "Verdugos". Mapping L.A. Archived from the original on August 13, 2013. Retrieved May 20, 2021.