Rosemead is a city located in Los Angeles County, California, in the United States. According to the 2020 United States census, the city had a reported population of 51,185 residents.
The city is situated in the west San Gabriel Valley and is part of a cluster of cities that includes Alhambra, Arcadia, Temple City, Monterey Park, San Marino, and San Gabriel. This region is characterized by a growing Asian-American population.