San Juan County, WA Population

Overview

17,631

Total Population

56.5

Median age

51.11%

Female population %

95.6:100

Gender ratio (M:F)

65-69 years

Largest age group

79.5

Total dependency ratio

White

Largest racial group

1,181

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in San Juan County is 56.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
San Juan County's population under 18 was 13.01%, compared to the 22.51% nationwide.
San Juan County's elderly or the senior population (over 65 age) was 33.66% as compared to 16.04% nationwide.
Of the total population in San Juan County, 10.63% were under the age of 15, 11.11% aged 15 to 29, 44.60% aged 30 to 64, 31.51% aged 65 to 84, and 2.16% were 85 years of age and older.

There are 393 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 51.11% females and 48.89% males in San Juan County, WA.
The San Juan County, WA gender ratio is 95.6:100 i.e. 95.6 men to 100 women (0.956).
For male population, the largest age group is 70-74 years with a population of 981.
For the female population, the largest age group is 65-69 years with a population of 1,081.

San Juan County's population has become increasingly diverse:

Racial distribution of San Juan County population: 90.49% are White, 0.93% are Black or African American, 0.73% are American Indian and Alaska Native, 1.32% are Asian, 0.09% are Native Hawaiian and other Pacific Islander, 2.23% are some other race and 4.21% are multiracial.
San Juan County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,181 is Hispanic or Latino (of any race), and 16,45 (93.30% of the total population) is Non-Hispanic.
The largest racial group in San Juan County is White with a population of 15,954 (90.49% of the total population).

San Juan County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 18,662 in the year 2022
From 2000 to 2010, San Juan County's population increased by 1,697 (12.05%), as compared to the national growth of 9.63%.
From 2010 to 2020, San Juan County's population increased by 2,044 (12.95%), 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 14,086.