Rio Rancho is the largest and most populous city in Sandoval County, part of the expansive Albuquerque metropolitan area, in the U.S. state of New Mexico. A small portion of the city extends into northern Bernalillo County.
It is the third-largest city in New Mexico, and one of the most rapidly growing. As of the 2020 census, Rio Rancho had a population of 104,046.
