General Law city
Incorporated: November 13, 1911
City Hall: 116 East Foothill Blvd, Glendora, California 91741
Population (2020 Census): 52,558 (Also see latest State Population Estimates and Earlier decennial Census Counts).
Population Under Age 18 (2020 Census): 20.3%
Population Density (2020 Census): 2,693.9 persons per square mile
Housing Units: 18,637
Persons Per Housing Unit: 2.8
Land Area: 19.51 square miles (50.53 square kilometers)
Water Area: 0.15 square miles (0.40 square kilometers)
Total Area: 19.66 square miles (50.92 square kilometers)
Geographic Coordinates (Latitude/Longitude): 34.144964 -117.847804
George Whitcomb chose the name in 1887, combining the word glen (a narrow valley) and the last two syllables of his wife’s name Ledora.
City in red below. Click on map for more detailed color map of county.