Population By Race and Ethnicity in San Juan, WA in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the 17,826 population of San Juan County, Washington comprised of 1,311 people who identified as Hispanic (7.35%), and 16,515 people who identified as Non-Hispanic (92.65%).

Race: The White Alone population was the largest racial group in San Juan County, Washington with a population of 16,739 (93.9%); Two Or More Races population was the second largest racial group with a population of 434 (2.44%); and Asian Alone was the third largest racial group with a population of 293 (1.64%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in San Juan County, Washington in 2020, with a population of 15,582 (87.41%); the second largest ethnic group was White Alone - Hispanic with a population of 1,157 (6.49%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 375 (2.1%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in San Juan, Washington.

You can find similar information for other Washington counties, and for Washington.

See this for other years:
Hispanics and Non Hispanics in San Juan, WA in 2020
Total Population:
Race in San Juan, WA in 2020
Total Population:
Ethnicity in San Juan, WA in 2020
Total Population:
Population By Race in San Juan , WA in 2020
Race Population Percentage
Black or African American Alone 141 0.79%
White Alone 16,739 93.9%
American Indian and Alaska Native Alone 192 1.08%
Asian Alone 293 1.64%
Native Hawaiian And Pacific Islander Alone 27 0.15%
Two Or More Races 434 2.44%
Population By Ethnicity in San Juan , WA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 21 0.12%
White Alone - Hispanic 1,157 6.49%
American Indian and Alaska Native Alone - Hispanic 59 0.33%
Asian Alone - Hispanic 12 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.02%
Two Or More Races - Hispanic 59 0.33%
Black or African American Alone - Non Hispanic 120 0.67%
White Alone - Non Hispanic 15,582 87.41%
American Indian and Alaska Native Alone - Non Hispanic 133 0.75%
Asian Alone - Non Hispanic 281 1.58%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 24 0.14%
Two Or More Races - Non Hispanic 375 2.1%