La Quinta is a desert resort city in Riverside County, California, United States. Located between Indian Wells and Indio, it is one of the nine …La Quinta is a desert resort city in Riverside County, California, United States. Located between Indian Wells and Indio, it is one of the nine cities of the Coachella Valley. The population was 37,467 at the 2010 census, up from 23,694 at the 2000 census.