Snohomish County, Washington Population 2024

848,163

Snohomish County, Washington's estimated 2024 population is 848,163 with a growth rate of 0.48% in the past year according to the most recent United States census data. Snohomish County, Washington is the 3rd largest county in Washington. The 2010 population was 715,522 and has seen a growth of 18.54% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029868,3734,0420.47%
2028864,3314,0420.47%
2027860,2894,0420.47%
2026856,2474,0420.47%
2025852,2054,0420.48%
2024848,1634,0420.48%
2023844,1214,0420.48%
2022840,0794,0420.48%
2021836,0376,1680.74%
2020829,8697,4560.91%
2019822,4138,3061.02%
2018814,10711,0461.38%
2017803,06115,1751.93%
2016787,88617,8642.32%
2015770,02212,5371.66%
2014757,48513,1631.77%
2013744,32212,0831.65%
2012732,23910,0901.4%
2011722,1496,6270.93%
2010715,522
1990465,642127,92237.88%
1980337,72072,48427.33%
1970265,23693,03754.03%
1960172,19960,61954.33%
1950111,58022,82625.72%
194088,7549,89312.54%
193078,86111,17116.5%
192067,6908,48114.32%
191059,20935,259147.22%
190023,95015,436181.3%
18908,5147,127513.84%
18801,387788131.55%
1870599-867,774-99.93%
showing: 33 rows
2024 Growth Rate
0.48% (4,042)
County Website
Snohomish County
County Seat
2020 Population
829,869
Area
2087 mi²
Density
406 people/mi²
Growth Since 2020
2.2% (18,294)
Founded
January 14, 1861

Snohomish County, Washington Population 2024

Population by Race

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Race
Population
Percentage (of total)
White570,66168.89%
Asian101,57612.26%
Two or more races80,6349.73%
Other race35,0794.23%
Black or African American28,6623.46%
Native American7,8190.94%
Native Hawaiian or Pacific Islander3,9060.47%
showing: 7 rows

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Snohomish County, Washington Population by Race

Snohomish County, Washington Population Pyramid 2024

Snohomish County, Washington Median Age

38.3

Total

37.8

Male

39

Female

Snohomish County, Washington Adults

There are 643,814 adults, (116,864 of whom are seniors) in Snohomish County, Washington.

Snohomish County, Washington Age Dependency

57.2

Age Dependency Ratio

22.2

Old Age Dependency Ratio

35

Child Dependency Ratio

Snohomish County, Washington Sex Ratio

Female409,99549.5%
Male418,34250.5%

Snohomish County, Washington Population by Age

Snohomish County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All307,6432.6668.631.4
Married167,0103.2681.418.6
Non Family95,7831.3453.946.1
Female29,1543.1949.250.8
Male15,6963.257.242.8
showing: 5 rows

3.13

Average Family Size

2.66

Average Household Size

68.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Snohomish County, Washington Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Snohomish County, Washington Educational Attainment by Sex (over 25)

Snohomish County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 95.12%.

The highest rate of bachelors degrees is among asian people with a rate of 54.5%.

Snohomish County, Washington Educational Attainment by Race

All

Male

Female

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$61,177

Average Earnings

$72,899

Average Male

$49,732

Average Female

Snohomish County, Washington Earnings by Educational Attainment

Snohomish County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Snohomish County, Washington Language

77.15% of Snohomish County, Washington residents speak only English, while 22.85% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 8.15% of the population.

Snohomish County, Washington Language

Snohomish County, Washington Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White536,38834,5166.43%
Hispanic90,14310,73211.91%
Multiple79,0978,40710.63%
Asian100,8737,6927.63%
Other34,3354,53813.22%
Black27,9133,30111.83%
Native7,46379310.63%
Islander3,85770518.28%
showing: 8 rows

7.6%

Overall Poverty Rate

6.72%

Male Poverty Rate

8.49%

Female Poverty Rate

Poverty in Snohomish County, Washington

The race most likely to be in poverty in Snohomish County, Washington is Islander, with 18.28% below the poverty level.

The race least likely to be in poverty in Snohomish County, Washington is White, with 6.43% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.14%. Among those working part-time, it was 8.42%, and for those that did not work, the poverty rate was 16.42%.

Snohomish County, Washington Poverty

rate

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Rate
Poverty
Less Than 9th Grade17.57%
High School9.62%
Some College6.92%
Bachelors or Greater3.47%
showing: 4 rows

Snohomish County, Washington Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed22.52%
Male Unemployed15.14%
Female Employed3.2%
Male Employed2.55%
showing: 4 rows

Snohomish County, Washington Poverty Rate by Employment Status and Sex

Snohomish County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Snohomish County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.1%

Overall Marriage Rate

54.1%

Male Marriage Rate

52.1%

Female Marriage Rate

Snohomish County, Washington Married by Age and Sex

male

female

Snohomish County, Washington Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Snohomish County, Washington Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Snohomish County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

48,569

Number of Veterans

43,776

Male Veterans

4,793

Female Veterans

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Snohomish County, Washington Veterans by War

count

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Snohomish County, Washington Veterans by Age

count

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Snohomish County, Washington Veterans by Race

Snohomish County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.62%

Veteran Poverty Rate

23.62%

Veteran Disability Rate

Snohomish County, Washington Veterans by Education

LaborForceParticipation

67.4%

Labor Force Participation

64%

Employment Rate

4.4%

Unemployment Rate

Snohomish County, Washington Employment by Age

LaborForceParticipation

Snohomish County, Washington Employment by Race

LaborForceParticipation

Snohomish 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

49.74%

Born in Snohomish County, Washington

82.26%

Native Born

17.74%

Foreign Born

8.52%

Non Citizen

9.22%

Naturalized

Place of Birth

82.26% of Snohomish County, Washington residents were born in the United States, with 49.74% having been born in Washington. 8.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Snohomish County, Washington Place of Birth

Sources