Oso, Washington Population 2024

385

Oso is a city located in Snohomish County Washington. Oso has a 2024 population of 385. Oso is currently growing at a rate of 10.32% annually and its population has increased by 59.75% since the most recent census, which recorded a population of 241 in 2020.

The average household income in Oso is $135,940 with a poverty rate of 0%. The median age in Oso is 18 years: 17.9 years for males, and 39.1 years for females.

Oso Demographics

According to the most recent ACS, the racial composition of Oso was:

  • White: 100%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
Land Area (mi²)
2.8 sq mi
Density (mi²)
137.30/sq mi
Growth Since 2020
59.75% (144)
The current population of Oso, Washington is 385 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 241.

Population by Race

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Race
Population
Percentage (of total)
White313100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Oso Population by Race

Oso Population Pyramid 2024

Oso Median Age

18

Total

17.9

Male

39.1

Female

Oso Adults

There are 156 adults, (40 of whom are seniors) in Oso.

Oso Age Dependency

169.8

Age Dependency Ratio

34.5

Old Age Dependency Ratio

135.3

Child Dependency Ratio

Oso Sex Ratio

Female15047.92%
Male16352.08%

Oso Population by Age

Oso Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All784.011000
Married784.011000
Male0000
Female0000
Non Family0000

4.01

Average Family Size

4.01

Average Household Size

100.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Oso Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade3421.79%
Associates Degree3220.51%
Bachelors Degree00%
Graduate Degree00%
High School Graduate2214.1%
Less Than 9th Grade00%
Some College6843.59%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Oso Educational Attainment by Sex (over 25)

Oso Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White1561220

The highest rate of high school graduation is among white people with a rate of 78.21%.

The highest rate of bachelors degrees is among white people with a rate of 0%.

Oso Educational Attainment by Race

Oso Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Oso Language

100% of Oso residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Oso Language

rate

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Rate
Poverty
Less Than 9th Grade0%
High School0%
Some College0%
Bachelors or Greater0%

Oso Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Oso Poverty Rate by Employment Status and Sex

Oso Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$153,482$135,940
Households$153,482$135,940
Married Families$153,482$-999,999,999
Non Families--

mean

median

Income by Household Type

Oso Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

73.2%

Overall Marriage Rate

57.8%

Male Marriage Rate

100.0%

Female Marriage Rate

Oso Married by Age and Sex

male

female

Oso Marriage

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

Oso Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Oso Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

12

Number of Veterans

12

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam12
Second Gulf War0
First Gulf War0
Korea0
World War II0

Oso Veterans by War

count

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Age Group
Veterans
65 to 7412
18 to 340
35 to 540
55 to 640
75+0

Oso Veterans by Age

count

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Name
Veterans
% of Total
White127.69%

Oso Veterans by Race

Oso Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

100%

Veteran Disability Rate

Oso Veterans by Education

LaborForceParticipation

71.7%

Labor Force Participation

71.7%

Employment Rate

0%

Unemployment Rate

Oso Employment by Age

LaborForceParticipation

Oso Employment by Race

LaborForceParticipation

Oso 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

71.57%

Born in Oso

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Oso residents were born in the United States, with 71.57% having been born in Washington. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Oso Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20243853610.32%
20233493611.5%
20223133914.23%
20212743313.69%
2020241-85-26.07%
20193264917.69%
20182776530.66%
2017212-81-27.65%
20162936226.84%
201523110989.34%
20141221412.96%
20131082530.12%
201283-155-65.13%
20112385832.22%
201018000%

Oso Population by Year