La Mirada is a city in southeast Los Angeles County, California, United States, and is one of the Gateway Cities. The population was 48,527 at the 2010 census, up from 46,783 at the 2000 census. The city of La Mirada was listed on CNN Money Magazine's "Best Place to Live" list. La Mirada placed 34th on the list, with the La Mirada Theatre for the Performing Arts and the Splash! La Mirada Regional Aquatics Center as two of its main attributes.