The 5 largest ethnic groups in Rio Arriba County, NM are Other (Hispanic) (30.1%), Two+ (Hispanic) (22.2%), American Indian & Alaska Native (Non-Hispanic) (15.6%), White (Non-Hispanic) (14.1%), and White (Hispanic) (13.8%).
None of the households in Rio Arriba County, NM reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.8% of the residents in Rio Arriba County, NM are U.S. citizens.
The largest universities in Rio Arriba County, NM are Northern New Mexico College (249 degrees awarded in 2022).
Rio Arriba County, NM borders Archuleta County, CO, Conejos County, CO, Los Alamos County, NM, Mora County, NM, Sandoval County, NM, San Juan County, NM, Santa Fe County, NM, and Taos County, NM.