Rio Arriba County, county in New Mexico, United States. As of 2020 county had an estimated population of 38,521 inhabitants. The county was created 172 years ago in 1852. Its county seat is Tierra Amarilla.
There are 1 city/town in Rio Arriba County, NM. The largest city of Rio Arriba County is Española with a population of 9,981.
List of cities, towns, neighborhoods & other populated places in Rio Arriba County.
City Name | Title | Population |
---|---|---|
Española | City primarily in Rio Arriba County, New Mexico, in the United States | 9,981 |