San Juan County, Washington Population and Demographics

In this article, we'll explore the population statistics for San Juan County, Washington, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in San Juan County, Washington. The most basic data is the total population, which is the total number of people living in San Juan County, Washington. The estimated population of San Juan County, Washington is 17,631 people, with a median age of 56.5.

We can look at the total population in San Juan County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
17,631
+4%
+8.69%
2020
16,953
+0.98%
-
2019
16,788
+1.91%
-
2018
16,473
+1.55%
-
2017
16,221
 - -

Population of San Juan County, Washington by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
87.8%
89%
 -1.35%
Black/African American
0.7%
0.6%
 +16.67%
Native
0.6%
0.8%
 -25.00%
Hispanic
6.7%
6%
 +11.67%
Asian
1.3%
1.3%
 0.00%
Hawaiian/Pacific Islander
0.1%
0.2%
 -50.00%
Two Or More Races
2.7%
1.9%
 +42.11%
Other
0.1%
0.2%
 -50.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of San Juan County, Washington by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 56.5 -0.35% 56.2 -0.35% 56.8 0%
2020 56.7 +0.18% 56.4 +0.18% 56.8 0%
2019 56.6 +0.89% 56.3 +1.08% 56.8 +0.71%
2018 56.1 +0.72% 55.7 +0.91% 56.4 +0.53%
2017 55.7 - 55.2 - 56.1 -

The median age of San Juan County, Washington gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 550 -0.63% 614 -4.16% 545 588
10 to 19 712 +3.64% 647 +7.23% 737 693
20 to 29 561 +8% 599 +10.54% 607 663
30 to 39 619 +34.49% 615 +41.01% 860 907
40 to 49 883 +2.26% 1,010 -13.09% 900 881
50 to 59 1,305 -11.21% 1,457 -10.56% 1,163 1,308
60 to 69 1,589 +10.92% 1,877 +8.37% 1,767 2,039
70+ 1,598 +25.25% 1,585 +20.53% 2,040 1,933

Median Household Income

The latest median household income of San Juan County, Washington is $68,577.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for San Juan County.

  • Under 25
    $25,000.00
  • 25 to 44
    $63,750.00
  • 45 to 64
    $77,730.00
  • 65 and over
    $67,783.00

Average Household Income

Whenever we ask what is the average household income in San Juan County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in San Juan County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of San Juan County, Washington is currently $110,926.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

11.03% of households in San Juan County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of San Juan County against other areas.

  • Less than $24,999
    16.73%
  • $25,000 to $49,999
    19.31%
  • $50,000 to $74,999
    17.63%
  • $75,000 to $99,999
    12.44%
  • $100,000 to $149,999
    15.30%
  • $150,000 to $199,999
    7.56%
  • $200,000 or more
    11.03%

Per Capita Income

The per capita income in San Juan County is $52,881.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of San Juan County by the total population of San Juan County.

This is different from the average or mean income because it includes and accounts for all people in San Juan County, Washington, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in San Juan County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    22.34%
  • Bachelor's degree
    45.02%
  • Some college or associate's degree
    8.55%
  • High school diploma or equivalent
    22.44%
  • Less than high school diploma
    1.64%

Employment

Employment rates are all based around the total population in San Juan County that are over the age of 16.

The total population of San Juan County over the age of 16 is 15,612.

Of those people, a total of 52.70% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in San Juan County is 51.10%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 544 40.60% 1.40%
20 to 24 years 611 76.60% 3.20%
25 to 29 years 659 83.20% 5.20%
30 to 34 years 788 83.00% 1.70%
35 to 44 years 1,854 80.50% 4.20%
45 to 54 years 1,951 82.40% 3.70%
55 to 59 years 1,426 68.30% 2.60%
60 to 64 years 1,844 56.20% 2.20%
65 to 74 years 3,827 27.60% 1.20%
75 years and over 2,108 8.40% 3.40%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in San Juan County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 14,337 51.70% 3.10%
Black or African American 106 84.90% 0.00%
American Indian and Alaska Native 101 60.40% 0.00%
Asian 216 37.00% 3.80%
Native Hawaiian and Other Pacific Islander 15 46.70% 0.00%
Other 282 84.00% 3.40%
Two or more races 555 63.80% 2.90%
Hispanic or Latino 831 77.00% 6.10%
Not Hispanic or Latino 13,989 51.20% 2.80%

Occupations

In this section we can look at the most common occupations in San Juan County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in San Juan County is 7,976, with median earnings of $38,332.00.

Women in San Juan County, Washington earning approximately 61.00% of the men's earnings.

Population Earnings
Total 7,976 $38,332.00
Male 4,146 $49,113.00
Female 3,830 $29,979.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 1,131 $54,020.00
Business and Financial 274 $72,500.00
Computer and Mathematical 120 $81,667.00
Architecture and Engineering 119 $99,886.00
Life, Physical, and Social Science 111 $79,375.00
Community and Social Service 139 $44,010.00
Legal 115 $132,344.00
Educational and Library 480 $37,955.00
Arts, Design, Entertainment, Sports, and Media 399 $33,207.00
Healthcare Practitioners 290 $57,778.00
Healthcare Support 275 $20,868.00
Firefighters and Protective Service 83 $36,563.00
Law Enforcement 61 $103,125.00
Food Preparation and Serving 476 $21,875.00
Building and Grounds Cleaning 567 $25,440.00
Personal Care and Service 178 $20,000.00
Sales 653 $36,050.00
Office and Administrative Support 660 $33,342.00
Farming, Fishing, and Forestry 132 $44,167.00
Construction and Extraction 799 $47,096.00
Installation, Maintenance, and Repair 237 $42,891.00
Production 295 $32,313.00
Transportation and Material Moving 226 $39,286.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 620 $58,289.00 511 $49,620.00
Business and Financial 143 $79,250.00 131 $40,938.00
Computer and Mathematical 101 $105,417.00 19 $50,750.00
Architecture and Engineering 113 $105,250.00 6 $40,833.00
Life, Physical, and Social Science 75 $131,750.00 36 $30,167.00
Community and Social Service 52 $54,000.00 87 $37,083.00
Legal 67 $228,250.00 48 $44,000.00
Educational and Library 143 $56,875.00 337 $34,417.00
Arts, Design, Entertainment, Sports, and Media 135 $38,162.00 264 $30,750.00
Healthcare Practitioners 73 $75,750.00 217 $52,426.00
Healthcare Support 43 $15,694.00 232 $21,319.00
Firefighters and Protective Service 68 $36,250.00 15 $38,125.00
Law Enforcement 46 $110,769.00 15 $36,875.00
Food Preparation and Serving 232 $24,722.00 244 $20,147.00
Building and Grounds Cleaning 316 $33,500.00 251 $19,276.00
Personal Care and Service 29 $39,583.00 149 $16,927.00
Sales 259 $52,550.00 394 $27,857.00
Office and Administrative Support 131 $17,174.00 529 $33,903.00
Farming, Fishing, and Forestry 96 $51,250.00 36 $22,000.00
Construction and Extraction 750 $47,813.00 49 $31,250.00
Installation, Maintenance, and Repair 213 $44,766.00 24 $21,731.00
Production 177 $47,344.00 118 $17,000.00
Transportation and Material Moving 168 $53,214.00 58 $32,115.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 8,378 households in San Juan County, with an average household size of 2.08 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 5,235 families in San Juan County with an average family size of 2.49 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 4,377 255 603 3,143
Average Household Size 2.58 2.76 2.67 1.23
Total Families 4,377 255 603 0
Average Household Size 2.52 2.33 2.37 0

Poverty

Of the 5,235 families in San Juan County, 8.40% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in San Juan County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 13,739 housing units in San Juan County, Washington.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 8,378 60.98%
Vacant 5,361 39.02%

12.29% of the total 13,739 housing units in San Juan County are rental units. This is approximately 1,688 properties.

For owner-occupied housing units, a total of 6,363 are occupied by the owner - or 46.31% of the total.

Rental Rates

The median rent for a property in San Juan County is $1,201.00.

In the chart below, we can look at the number of rental properties in San Juan County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    327
  • Less than $500
    117
  • $500 to $999
    483
  • $1,000 to $1,499
    529
  • $1,500 to $1,999
    406
  • $2,000 to $2,499
    120
  • $2,500 to $2,999
    16
  • $3,000 or more
    17

Property Value

The median value of a property in San Juan County is $572,600.00.

Just like with rental rates, we can look at the number of properties in San Juan County that fall into a particular value range.

  • Less than $50,000
    138
  • $50,000 to $99,999
    108
  • $100,000 to $149,999
    115
  • $150,000 to $199,999
    164
  • $200,000 to $299,999
    578
  • $300,000 to $499,999
    1,640
  • $500,000 to $999,999
    2,451
  • $1,000,000 or more
    1,169

Property Age

We can also look at the age of properties in San Juan County. The chart below shows the number of properties in San Juan County that fall into a particular age range.

  • 1939 or earlier
    671
  • 1940 to 1949
    249
  • 1950 to 1959
    559
  • 1960 to 1969
    988
  • 1970 to 1979
    2,379
  • 1980 to 1989
    2,285
  • 1990 to 1999
    2,815
  • 2000 to 2009
    2,796
  • 2010 to 2013
    970
  • 2014 or later
    27

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in San Juan County that have a particular number of vehicles available.

  • No vehicles available
    344
  • 1 vehicle available
    2,493
  • 2 vehicles available
    3,143
  • 3 or more vehicles available
    2,398

Commuting to Work

In this section, we can also look at how people in San Juan County get to work. The chart below shows the number of people in San Juan County that commute to work in a particular way.

16.1 minutes is the average travel time to work for people in San Juan County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    748
  • 5 to 9 minutes
    1,476
  • 10 to 14 minutes
    1,463
  • 15 to 19 minutes
    1,331
  • 20 to 24 minutes
    629
  • 25 to 29 minutes
    200
  • 30 to 34 minutes
    236
  • 35 to 39 minutes
    24
  • 40 to 44 minutes
    24
  • 45 to 59 minutes
    83
  • 60 to 89 minutes
    135
  • 90 or more minutes
    132

Summary

We've covered a LOT of demographic and population data for San Juan County, Washington in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in San Juan County, Washington

We have data for 4 places in San Juan County, Washington. Click on a place below to see more information about the demographics of that place.