Rio Rancho (Spanish: Río Rancho) is the largest city and economic hub of 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 and also one of the fastest expanding cities in New Mexico. As of the 2010 census, Rio Rancho had a population of 87,521. The name Rio Rancho derives from Los Ranchos (the ranches) that stretched along the Rio Grande in the Albuquerque Basin, and throughout historic Nuevo México, including those in neighboring Corrales.
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