Snohomish County, Washington Population and Demographics

In this article, we'll explore the population statistics for Snohomish 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 Snohomish County, Washington. The most basic data is the total population, which is the total number of people living in Snohomish County, Washington. The estimated population of Snohomish County, Washington is 820,024 people, with a median age of 38.2.

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

Year Population Change 5-Year Change
2021
820,024
+1.04%
+6.23%
2020
811,572
+1.6%
-
2019
798,808
+1.55%
-
2018
786,620
+1.91%
-
2017
771,904
 - -

Population of Snohomish 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
66.8%
71.2%
 -6.18%
Black/African American
3.3%
2.6%
 +26.92%
Native
0.7%
0.8%
 -12.50%
Hispanic
10.8%
9.8%
 +10.20%
Asian
11.6%
9.9%
 +17.17%
Hawaiian/Pacific Islander
0.4%
0.5%
 -20.00%
Two Or More Races
5.9%
5%
 +18.00%
Other
0.5%
0.1%
 +400.00%

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 Snohomish 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 38.2 +0.53% 37.6 +0.8% 38.8 -0.26%
2020 38 0% 37.3 +0.27% 38.9 0%
2019 38 +0.53% 37.2 +0.54% 38.9 +0.52%
2018 37.8 0% 37 +0.27% 38.7 -0.26%
2017 37.8 - 36.9 - 38.8 -

The median age of Snohomish 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 50,222 +4.15% 46,857 +5.77% 52,336 49,617
10 to 19 49,360 +4.29% 47,582 +2.27% 51,498 48,664
20 to 29 52,977 -0.5% 49,112 +1.39% 52,690 49,781
30 to 39 57,519 +12.44% 54,588 +13.6% 65,011 62,387
40 to 49 54,593 +6.11% 53,120 +1.36% 57,995 53,827
50 to 59 56,691 -0.83% 56,049 -4.07% 56,224 53,790
60 to 69 39,654 +18.21% 43,197 +14.72% 47,356 49,890
70+ 26,062 +15.45% 34,321 +12.14% 30,293 38,665

Median Household Income

The latest median household income of Snohomish County, Washington is $95,618.00.

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 Snohomish County.

  • Under 25
    $62,564.00
  • 25 to 44
    $103,747.00
  • 45 to 64
    $111,701.00
  • 65 and over
    $60,382.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Snohomish 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 Snohomish County, Washington is currently $117,726.00.

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.

13.55% of households in Snohomish 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 Snohomish County against other areas.

  • Less than $24,999
    9.63%
  • $25,000 to $49,999
    12.99%
  • $50,000 to $74,999
    15.68%
  • $75,000 to $99,999
    13.98%
  • $100,000 to $149,999
    21.92%
  • $150,000 to $199,999
    12.25%
  • $200,000 or more
    13.55%

Per Capita Income

The per capita income in Snohomish County is $44,338.00.

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

This is different from the average or mean income because it includes and accounts for all people in Snohomish 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 Snohomish 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
    14.15%
  • Bachelor's degree
    37.54%
  • Some college or associate's degree
    13.62%
  • High school diploma or equivalent
    31.71%
  • Less than high school diploma
    2.98%

Employment

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

The total population of Snohomish County over the age of 16 is 655,093.

Of those people, a total of 67.50% 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 Snohomish County is 64.10%.

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 37,184 37.80% 14.30%
20 to 24 years 45,325 81.20% 8.20%
25 to 29 years 57,146 83.90% 3.70%
30 to 34 years 63,738 82.00% 4.20%
35 to 44 years 120,612 82.80% 4.00%
45 to 54 years 110,053 84.30% 3.20%
55 to 59 years 54,831 77.10% 3.40%
60 to 64 years 54,954 61.30% 3.10%
65 to 74 years 70,943 28.10% 3.60%
75 years and over 40,307 6.20% 6.30%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Snohomish 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 480,762 66.50% 4.10%
Black or African American 22,074 74.40% 4.80%
American Indian and Alaska Native 5,180 55.80% 6.60%
Asian 78,095 70.10% 4.70%
Native Hawaiian and Other Pacific Islander 3,063 63.10% 3.90%
Other 22,173 73.90% 3.20%
Two or more races 43,746 69.10% 7.00%
Hispanic or Latino 58,809 73.00% 4.10%
Not Hispanic or Latino 457,402 66.10% 4.20%

Occupations

In this section we can look at the most common occupations in Snohomish 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 Snohomish County is 419,759, with median earnings of $53,630.00.

Women in Snohomish County, Washington earning approximately 66.40% of the men's earnings.

Population Earnings
Total 419,759 $53,630.00
Male 229,695 $64,296.00
Female 190,064 $42,663.00

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 50,304 $90,608.00
Business and Financial 25,674 $74,436.00
Computer and Mathematical 22,362 $111,456.00
Architecture and Engineering 15,984 $104,936.00
Life, Physical, and Social Science 3,412 $64,731.00
Community and Social Service 6,681 $54,708.00
Legal 3,012 $75,234.00
Educational and Library 21,106 $42,619.00
Arts, Design, Entertainment, Sports, and Media 7,732 $46,832.00
Healthcare Practitioners 21,019 $66,342.00
Healthcare Support 14,955 $31,167.00
Firefighters and Protective Service 4,228 $57,126.00
Law Enforcement 3,039 $95,091.00
Food Preparation and Serving 19,276 $21,541.00
Building and Grounds Cleaning 12,409 $30,429.00
Personal Care and Service 10,679 $26,024.00
Sales 39,118 $41,265.00
Office and Administrative Support 44,157 $42,947.00
Farming, Fishing, and Forestry 1,673 $31,652.00
Construction and Extraction 24,553 $58,935.00
Installation, Maintenance, and Repair 16,918 $64,746.00
Production 23,799 $48,013.00
Transportation and Material Moving 14,559 $44,043.00

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 30,701 $105,798.00 19,603 $68,021.00
Business and Financial 11,045 $81,449.00 14,629 $69,595.00
Computer and Mathematical 17,469 $117,542.00 4,893 $90,143.00
Architecture and Engineering 13,611 $107,782.00 2,373 $87,072.00
Life, Physical, and Social Science 1,634 $64,627.00 1,778 $64,808.00
Community and Social Service 2,298 $57,675.00 4,383 $53,621.00
Legal 909 $108,299.00 2,103 $72,578.00
Educational and Library 5,319 $64,583.00 15,787 $37,356.00
Arts, Design, Entertainment, Sports, and Media 3,800 $61,218.00 3,932 $39,073.00
Healthcare Practitioners 5,519 $76,156.00 15,500 $63,852.00
Healthcare Support 2,630 $39,185.00 12,325 $29,637.00
Firefighters and Protective Service 3,505 $63,308.00 723 $31,007.00
Law Enforcement 2,456 $97,614.00 583 $77,841.00
Food Preparation and Serving 8,337 $24,576.00 10,939 $20,508.00
Building and Grounds Cleaning 8,092 $36,480.00 4,317 $21,410.00
Personal Care and Service 2,084 $27,018.00 8,595 $25,640.00
Sales 19,522 $57,862.00 19,596 $30,759.00
Office and Administrative Support 10,579 $47,811.00 33,578 $42,067.00
Farming, Fishing, and Forestry 1,301 $35,817.00 372 $20,217.00
Construction and Extraction 23,609 $58,588.00 944 $62,816.00
Installation, Maintenance, and Repair 15,971 $65,149.00 947 $49,131.00
Production 17,840 $52,876.00 5,959 $40,869.00
Transportation and Material Moving 12,027 $46,868.00 2,532 $33,924.00

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 302,970 households in Snohomish County, with an average household size of 2.67 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 209,871 families in Snohomish County with an average family size of 3.15 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 164,606 15,701 29,564 93,099
Average Household Size 3.27 3.23 3.22 1.33
Total Families 164,606 15,701 29,564 0
Average Household Size 3.23 2.78 2.88 0

Poverty

Of the 209,871 families in Snohomish County, 4.90% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Snohomish 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 318,604 housing units in Snohomish County, Washington.

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

Total Percentage
Occupied 302,970 95.09%
Vacant 15,634 4.91%

29.31% of the total 318,604 housing units in Snohomish County are rental units. This is approximately 93,377 properties.

For owner-occupied housing units, a total of 206,932 are occupied by the owner - or 64.95% of the total.

Rental Rates

The median rent for a property in Snohomish County is $1,641.00.

In the chart below, we can look at the number of rental properties in Snohomish 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
    2,661
  • Less than $500
    4,531
  • $500 to $999
    7,657
  • $1,000 to $1,499
    25,479
  • $1,500 to $1,999
    32,033
  • $2,000 to $2,499
    15,241
  • $2,500 to $2,999
    5,429
  • $3,000 or more
    3,007

Property Value

The median value of a property in Snohomish County is $483,000.00.

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

  • Less than $50,000
    4,523
  • $50,000 to $99,999
    3,168
  • $100,000 to $149,999
    2,198
  • $150,000 to $199,999
    4,270
  • $200,000 to $299,999
    17,055
  • $300,000 to $499,999
    79,468
  • $500,000 to $999,999
    86,695
  • $1,000,000 or more
    9,555

Property Age

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

  • 1939 or earlier
    16,283
  • 1940 to 1949
    7,063
  • 1950 to 1959
    16,750
  • 1960 to 1969
    32,509
  • 1970 to 1979
    45,070
  • 1980 to 1989
    48,420
  • 1990 to 1999
    62,756
  • 2000 to 2009
    56,656
  • 2010 to 2013
    31,974
  • 2014 or later
    1,123

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 Snohomish County that have a particular number of vehicles available.

  • No vehicles available
    13,943
  • 1 vehicle available
    76,906
  • 2 vehicles available
    120,068
  • 3 or more vehicles available
    92,053

Commuting to Work

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

32 minutes is the average travel time to work for people in Snohomish 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
    6,536
  • 5 to 9 minutes
    23,560
  • 10 to 14 minutes
    34,612
  • 15 to 19 minutes
    42,246
  • 20 to 24 minutes
    46,041
  • 25 to 29 minutes
    23,991
  • 30 to 34 minutes
    55,026
  • 35 to 39 minutes
    14,213
  • 40 to 44 minutes
    18,857
  • 45 to 59 minutes
    42,734
  • 60 to 89 minutes
    40,108
  • 90 or more minutes
    13,457

Summary

We've covered a LOT of demographic and population data for Snohomish 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 Snohomish County, Washington

We have data for 78 places in Snohomish County, Washington. Click on a place below to see more information about the demographics of that place.