Incorporated: August 5, 1903
City Hall: 240 W Huntington Dr, Arcadia, California 91007
Population (2020 Census): 56,681 (Also see latest State Population Estimates and Earlier decennial Census Counts).
Population Under Age 18 (2020 Census): 20.0%
Population Density (2020 Census): 5,187.2 persons per square mile
Housing Units: 20,511
Persons Per Housing Unit: 2.8
Land Area: 10.93 square miles (28.30 square kilometers)
Water Area: 0.21 square miles (0.54 square kilometers)
Total Area: 11.14 square miles (28.85 square kilometers)
Geographic Coordinates (Latitude/Longitude): 34.132689 -118.036347
Named by Herman A. Unruh, a manager of the San Gabriel Valley Railroad about 1888. Possibly named after Dona Arcadia Bandini Stearns who was famed for her beauty or named after a rural district in Greece famed in poetry for its rural simplicity.
City in red below. Click on map for more detailed color map of county.
See our Arcadia postcards: