San Juan County, WA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
18,266
Male
8,984
49.2%
Female
9,282
50.8%
Median Age
56.7 yrs
Avg Household Size
2.0
Foreign Born
7.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher44.1%
High School or Higher57.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.9%
Disability
0.0%
Non-English Home
3.7%
Married
53.3%
San Juan County, WA has a population of 18,266 according to 2023 Census Bureau estimates. The median age is 56.7 years. The largest racial or ethnic group is White at 88.3% of the population. 44.1% of residents hold a bachelor's degree or higher. 7.3% of residents are foreign-born.