Rio Arriba County
County in New Mexico
Rio Arriba County is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 40,363. Its county seat is Tierra Amarilla. Its northern border is the Colorado state line. Wikipedia
Cities: Tierra Amarilla, Chama, Abiquiu, and more
County seat: Tierra Amarilla
Population: 40,048 (2022)
Area: 5,896 mi˛
Congressional district: 3rd
Largest city: Espaņola
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