El Monte is a residential, industrial, and commercial city in Los Angeles County, California, United States. The city's slogan is "Welcome to Friendly El Monte," and historically is known as "The End of the Santa Fe Trail." As of the 2010 census, the city had a total population of 113,475, down from 115,965 at the 2000 census. As of 2010, El Monte is the 228th largest city in the United States, and is the 51st largest city in California. El Monte Lies in the San Gabriel Valley region East of the city of Los Angeles.