General Law city
Incorporated: February 2, 1907
City Hall: 232 W Sierra Madre Blvd, Sierra Madre, California 91024
Population (2020 Census): 11,268 (Also see latest State Population Estimates and Earlier decennial Census Counts).
Population Under Age 18 (2020 Census): 18.9%
Population Density (2020 Census): 3,818.4 persons per square mile
Housing Units: 5,095
Persons Per Housing Unit: 2.2
Land Area: 2.95 square miles (7.64 square kilometers)
Water Area: 0.00 square miles (0.01 square kilometers)
Total Area: 2.96 square miles (7.67 square kilometers)
Geographic Coordinates (Latitude/Longitude): 34.168771 -118.050216
The name is Spanish for Mother Range. Nathaniel C. Carter gave it the name in 1881 when he subdivided part of the Rancho Santa Anita. The name had once been applied to the San Gabriel Mountains themselves since the days of the mission.
City in red below. Click on map for more detailed color map of county.