El Monte is a residential, agricultural, and commercial town located in Los Angeles County, California, US. The town sits in the Valley of San Gabriel, east of Los Angeles. The slogan of El Monte is "Welcome to Pleasant El Monte" and is known traditionally as "The Santa Fe Trail's End." El Monte had been California's 51st largest city. It has a population estimated at 115,965 people. El Monte is located between the San Gabriel River and the Rio Hondo River; residents have reported that the area will develop everything.