San Juan County, New Mexico
San Juan County (Spanish: Condado de San Juan) is a county located in the U.S. state of New Mexico. As of the 2020 census, its population was 121,661, making it the fifth-most populous county in New Mexico. Its county seat is Aztec. The county was created in 1887.
San Juan County is part of the Farmington, New Mexico, metropolitan statistical area. It is in the state's northwest corner and includes the New Mexico portion of the Four Corners.