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Unincorporated Community in Los Angeles County
Population (2020 Census): 42,846 (Also see Earlier decennial Census Counts).
Population Under Age 18 (2020 Census): 18.6%
Population Density (2020 Census): 5,061.5 persons per square mile
Housing Units: 16,063
Persons Per Housing Unit: 2.7
Land Area: 8.47 square miles (21.92 square kilometers)
Water Area: 0.02 square miles (0.04 square kilometers)
Total Area: 8.48 square miles (21.96 square kilometers)
Geographic Coordinates (Latitude/Longitude): 34.192212 -118.135589

Community pinpointed in red below. Click on map for larger map of unincorporated communities in Los Angeles County.

Map showing location of the community of Altadena