General Law city
Incorporated: December 15, 1887
City Hall: 415 South Ivy Ave, Monrovia, California 91016
City Telephone: (626) 932-5550
Website: www.cityofmonrovia.org
Population (2010 Census): 36,590 (2000 Census: 36,929; 1990 Census: 35,758). For latest State Population Estimates, click here.
Population Density (2010 Census): 2,689.5 persons per square mile
Population Age 65+ (2010 Census): 11.6% (2000 Census: 10.4%; 1990 Census: 10.8%)
Population Under Age 18 (2010 Census): 23.3% (2000 Census: 27.4%; 1990 Census: 25.7%)
Land Area: 13.61 square miles (35.24 square kilometers)
Water Area: 0.11 square miles (0.28 square kilometers)
Named for William N. Monroe, a railroad construction engineer who purchased the land and laid out the town in 1886.
City in red below. Click on map for more detailed color map of county.
