Rio Arriba County Demographics

A map of Rio Arriba County's Population by Race

Rio Arriba County, New Mexico had a population of 40,363 in 2020. It was 14.7% White, 0.4% Black, 0.6% Asian, 67.3% Hispanic, 15.7% Native American/Other, and 1.3% Multiracial. This map presents the population of Rio Arriba County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Rio Arriba County is the 13th most populous county of the 33 counties in New Mexico.

Rio Arriba County's White Population

5,945 residents of Rio Arriba County identify as White, or 14.7%. This makes the White share of the population of Rio Arriba County considerably less than the White share of the population of New Mexico (36.5% White). Of the 33 counties in New Mexico, Rio Arriba County is ranked #32 in terms of White residents as a share of the population.

Rio Arriba County is less White than neighboring Los Alamos County (69.2% White), Archuleta County (76.2% White), Sandoval County (42.6% White), Conejos County (46.4% White), and Taos County (39.7% White).

Rio Arriba County's Black Population

160 residents of Rio Arriba County identify as Black, or 0.4%. This makes the Black share of the population of Rio Arriba County roughly similar to the Black share of the population of New Mexico (1.8% Black). Of the 33 counties in New Mexico, Rio Arriba County is ranked #26 in terms of Black residents as a share of the population.

Rio Arriba County is more Black than neighboring Archuleta County (0.3% Black), and Conejos County (0.2% Black). Rio Arriba County is less Black than neighboring Los Alamos County (0.8% Black), and Sandoval County (1.9% Black).

Rio Arriba County's Asian Population

233 residents of Rio Arriba County identify as Asian, or 0.6%. This makes the Asian share of the population of Rio Arriba County roughly similar to the Asian share of the population of New Mexico (1.7% Asian). Of the 33 counties in New Mexico, Rio Arriba County is ranked #21 in terms of Asian residents as a share of the population.

Rio Arriba County is more Asian than neighboring Conejos County (0.3% Asian). Rio Arriba County is less Asian than neighboring Los Alamos County (6.3% Asian), Archuleta County (0.8% Asian), and Sandoval County (1.6% Asian).

Rio Arriba County's Hispanic Population

27,159 residents of Rio Arriba County identify as Hispanic, or 67.3%. This makes the Hispanic share of the population of Rio Arriba County larger than the Hispanic share of the population of New Mexico (47.7% Hispanic). Of the 33 counties in New Mexico, Rio Arriba County is ranked #4 in terms of Hispanic residents as a share of the population.

Rio Arriba County is more Hispanic than neighboring Los Alamos County (17.7% Hispanic), Archuleta County (16.2% Hispanic), Sandoval County (38.7% Hispanic), Conejos County (50.7% Hispanic), and Taos County (50.5% Hispanic).

Rio Arriba County's Native American/Other Population

6,324 residents of Rio Arriba County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 15.7%. This makes the Native American/Other share of the population of Rio Arriba County slightly larger than the Native American/Other share of the population of New Mexico (9.5% Native American/Other). Of the 33 counties in New Mexico, Rio Arriba County is ranked #4 in terms of Native American/Other residents as a share of the population.

Rio Arriba County is more Native American/Other than neighboring Los Alamos County (1.4% Native American/Other), Archuleta County (1.9% Native American/Other), Sandoval County (11.9% Native American/Other), Conejos County (0.9% Native American/Other), and Taos County (6.1% Native American/Other).

Rio Arriba County's Multiracial Population

542 residents of Rio Arriba County identify as Multiracial, or 1.3%. This makes the Multiracial share of the population of Rio Arriba County roughly similar to the Multiracial share of the population of New Mexico (2.8% Multiracial). Of the 33 counties in New Mexico, Rio Arriba County is ranked #33 in terms of Multiracial residents as a share of the population.

Rio Arriba County is less Multiracial than neighboring Los Alamos County (4.6% Multiracial), Archuleta County (4.7% Multiracial), Sandoval County (3.3% Multiracial), Conejos County (1.5% Multiracial), and Taos County (2.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.