Rio Arriba County, NM Population

Overview

40,347

Total Population

41.5

Median age

50.61%

Female population %

97.6:100

Gender ratio (M:F)

55-59 years

Largest age group

62.8

Total dependency ratio

White

Largest racial group

28,784

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Rio Arriba County's population is old compared to the rest of the country:

The median age in Rio Arriba County is 41.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rio Arriba County's population under 18 was 23.18%, compared to the 22.51% nationwide.
Rio Arriba County's elderly or the senior population (over 65 age) was 19.52% as compared to 16.04% nationwide.
Of the total population in Rio Arriba County, 19.07% were under the age of 15, 17.78% aged 15 to 29, 43.63% aged 30 to 64, 17.21% aged 65 to 84, and 2.31% were 85 years of age and older.

There are 495 more females than males in Rio Arriba County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.61% females and 49.39% males in Rio Arriba County, NM.
The Rio Arriba County, NM gender ratio is 97.6:100 i.e. 97.6 men to 100 women (0.976).
For male population, the largest age group is 55-59 years with a population of 1,701.
For the female population, the largest age group is 55-59 years with a population of 1,580.

Rio Arriba County's population has become increasingly diverse:

Racial distribution of Rio Arriba County population: 41.39% are White, 0.56% are Black or African American, 15.81% are American Indian and Alaska Native, 0.51% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 27.38% are some other race and 14.34% are multiracial.
Rio Arriba County's racial breakdown clearly shows that there is no majority of any race in the county.
By ethnicity, 28,784 is Hispanic or Latino (of any race), and 11,563 (28.66% of the total population) is Non-Hispanic.
The largest racial group in Rio Arriba County is White with a population of 16,699 (41.39% of the total population).

Rio Arriba County's population has already reached its peak and is showing a trend of decline:

The peak population was 41,223 in the year 2000
From 2000 to 2010, Rio Arriba County's population decreased by 937 (2.27%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rio Arriba County's population decreased by 17 (0.04%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Rio Arriba County's population was lowest in year 2019 at 38,883.