Rio Arriba County, New Mexico's estimated population is 38,636 with a growth rate of -0.48% in the past year according to the most recent United States census data. Rio Arriba County, New Mexico is the 13th largest county in New Mexico.
40.92% of Rio Arriba County, New Mexico residents speak only English, while 59.08% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 48.07% of the population.
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
Born in New Mexico
Place of Birth
96.33% of Rio Arriba County, New Mexico residents were born in the United States, with 80.69% having been born in New Mexico. 2.28% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.