San Juan County, Washington Population 2023

18,394

San Juan County, Washington's estimated 2023 population is 18,394 with a growth rate of 1.11% in the past year according to the most recent United States census data. San Juan County, Washington is the 32nd largest county in Washington. The 2010 population was 15,769 and has seen a growth of 16.65% since that time.

Note: data after 2020 is projected based on recent growth

San Juan County, Washington Population 2023

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

San Juan County, Washington Population by Race

San Juan County, Washington Population Pyramid 2023

San Juan County, Washington Median Age

56.7

Total

56.4

Male

56.8

Female

San Juan County, Washington Adults

There are 14,749 adults, (5,682 of whom are seniors) in San Juan County, Washington.

San Juan County, Washington Age Dependency

87

Age Dependency Ratio

62.7

Old Age Dependency Ratio

24.3

Child Dependency Ratio

San Juan County, Washington Sex Ratio

Female8,74051.55%
Male8,21348.45%

San Juan County, Washington Population by Age

San Juan County, Washington Renter vs Owner Occupied by Household Type

2.39

Average Family Size

1.98

Average Household Size

74.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Juan County, Washington Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Juan County, Washington Educational Attainment by Sex (over 25)

San Juan County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among native american people with a rate of 93.22%.

The highest rate of bachelors degrees is among white people with a rate of 49.9%.

San Juan County, Washington Educational Attainment by Race

All

Male

Female

$37,543

Average Earnings

$48,614

Average Male

$28,643

Average Female

San Juan County, Washington Earnings by Educational Attainment

San Juan County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Juan County, Washington Language

93.81% of San Juan County, Washington residents speak only English, while 6.19% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.62% of the population.

San Juan County, Washington Language

San Juan County, Washington Poverty by Race

rate

11.19%

Overall Poverty Rate

8.36%

Male Poverty Rate

11.83%

Female Poverty Rate

Poverty in San Juan County, Washington

The race most likely to be in poverty in San Juan County, Washington is Other, with 46.18% below the poverty level.

The race least likely to be in poverty in San Juan County, Washington is White, with 10.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.47%. Among those working part-time, it was 11.73%, and for those that did not work, the poverty rate was 15.57%.

San Juan County, Washington Poverty

San Juan County, Washington Poverty Rate by Education

San Juan County, Washington Poverty Rate by Employment Status and Sex

San Juan County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

San Juan County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.2%

Overall Marriage Rate

61.7%

Male Marriage Rate

57.0%

Female Marriage Rate

San Juan County, Washington Married by Age and Sex

male

female

San Juan County, Washington Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

San Juan County, Washington Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Juan County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,350

Number of Veterans

1,270

Male Veterans

80

Female Veterans

San Juan County, Washington Veterans by War

San Juan County, Washington Veterans by Age

count

San Juan County, Washington Veterans by Race

San Juan County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.76%

Veteran Poverty Rate

27.8%

Veteran Disability Rate

San Juan County, Washington Veterans by Education

LaborForceParticipation

53.2%

Labor Force Participation

51.9%

Employment Rate

2.1%

Unemployment Rate

San Juan County, Washington Employment by Age

LaborForceParticipation

San Juan County, Washington Employment by Race

LaborForceParticipation

San Juan County, Washington Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

32.2%

Born in San Juan County, Washington

87.91%

Native Born

7.4%

Foreign Born

3.98%

Non Citizen

3.42%

Naturalized

Place of Birth

87.91% of San Juan County, Washington residents were born in the United States, with 32.2% having been born in Washington. 3.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

San Juan County, Washington Place of Birth

Sources