Monrovia is a city in the foothills of the San Gabriel Mountains in the San Gabriel Valley of Los Angeles County, California, United States. Monrovia is the fourth-oldest general-law city in Los Angeles County and the L.A. Basin (after Los Angeles, Santa Monica, and Pasadena, all now charter cities ). Incorporated in 1887, it has grown from a sparse community of orange ranches to a residential community of over 37,000. The population was 37,931 at the 2020 census.

Hear every story as you drive

4.8 Stars · 800+ Ratings