El Monte is a city in Los Angeles County, California, United States. The city lies in the San Gabriel Valley, east of the city of Los Angeles. El Monte's slogan is "Welcome to Friendly El Monte" and is historically known as "The End of the Santa Fe Trail". As of the 2020 census, the city had a total population of 109,450, down from 113,475 at the 2010 census. As of 2020, El Monte was the 64th-largest city in California.