San Juan County, New Mexico

county in New Mexico, United States

San Juan County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 121,661,[1] making it the fifth-most populous county in New Mexico. Its county seat is Aztec.[2] The county was created in 1887.[3]


  1. "QuickFacts: San Juan County, New Mexico". United States Census Bureau. Retrieved August 16, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. "New Mexico: Consolidated Chronology of State and County Boundaries". New Mexico Atlas of Historical County Boundaries. The Newberry Library. 2007. Archived from the original on August 22, 2016. Retrieved January 2, 2015.