San Juan County, NM Population

Overview

122,912

Total Population

36.4

Median age

50.33%

Female population %

98.7:100

Gender ratio (M:F)

10-14 years

Largest age group

58.0

Total dependency ratio

White

Largest racial group

26,308

Hispanic population

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

TABLE OF CONTENTS

Age

San Juan County's population is young compared to the rest of the country:

The median age in San Juan County is 36.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
San Juan County's population under 18 was 26.44%, compared to the 22.51% nationwide.
San Juan County's elderly or the senior population (over 65 age) was 14.94% as compared to 16.04% nationwide.
Of the total population in San Juan County, 21.76% were under the age of 15, 19.84% aged 15 to 29, 43.46% aged 30 to 64, 13.03% aged 65 to 84, and 1.90% were 85 years of age and older.

There are 822 more females than males in San Juan County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.33% females and 49.67% males in San Juan County, NM.
The San Juan County, NM gender ratio is 98.7:100 i.e. 98.7 men to 100 women (0.987).
For male population, the largest age group is 10-14 years with a population of 5,191.
For the female population, the largest age group is 10-14 years with a population of 5,303.

San Juan County's population has become increasingly diverse:

Racial distribution of San Juan County population: 46.98% are White, 0.84% are Black or African American, 39.05% are American Indian and Alaska Native, 0.74% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 5.85% are some other race and 6.49% are multiracial.
San Juan County's racial breakdown clearly shows that there is no majority of any race in the county.
By ethnicity, 26,308 is Hispanic or Latino (of any race), and 96,604 (78.60% of the total population) is Non-Hispanic.
The largest racial group in San Juan County is White with a population of 57,748 (46.98% of the total population).

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

The peak population was 130,209 in the year 2010
From 2000 to 2010, San Juan County's population increased by 16,180 (14.19%), as compared to the national growth of 9.63%.
From 2010 to 2020, San Juan County's population decreased by 8,841 (6.79%), 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, San Juan County's population was lowest in year 2000 at 114,029.