Sammamish, Washington Population 2024

64,340

Sammamish Demographics

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

  • White: 55.22%
  • Asian: 35.78%
  • Two or more races: 6.49%
  • Black or African American: 1.44%
  • Other race: 0.64%
  • Native American: 0.33%
  • Native Hawaiian or Pacific Islander: 0.09%
Land Area (mi²)
20.4 sq mi
Density (mi²)
3,149.70/sq mi
Growth Since 2020
-4.6% (-3,104)
The current population of Sammamish, Washington is 64,340 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 67,444.

Population by Race

Race
Population
Percentage (of total)
White36,77155.22%
Asian23,82735.78%
Two or more races4,3246.49%
Black or African American9611.44%
Other race4250.64%
Native American2170.33%
Native Hawaiian or Pacific Islander610.09%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Sammamish Population by Race

Sammamish Population Pyramid 2024

Sammamish Median Age

39.3

Total

40

Male

38.6

Female

Sammamish Adults

There are 46,984 adults, (5,538 of whom are seniors) in Sammamish.

Sammamish Age Dependency

60.7

Age Dependency Ratio

13.4

Old Age Dependency Ratio

47.3

Child Dependency Ratio

Sammamish Sex Ratio

Female34,05751.15%
Male32,52948.85%

Sammamish Population by Age

Sammamish Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All22,2582.9984.215.8
Married17,3253.3190.29.8
Non Family2,9571.36535
Female1,3632.675446
Male6132.675.224.8

3.21

Average Family Size

2.99

Average Household Size

84.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sammamish Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5661.3%
Associates Degree2,4395.6%
Bachelors Degree17,29139.73%
Graduate Degree15,81036.33%
High School Graduate2,4085.53%
Less Than 9th Grade5081.17%
Some College4,50010.34%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sammamish Educational Attainment by Sex (over 25)

Sammamish Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White24,38124,01517,370
Asian15,18014,63713,220
2+ Races1,9841,8981,307
Hispanic1,4071,3561,123
Black637621345
Other Race315306191
Native American17814420
Islander535130

The highest rate of high school graduation is among white people with a rate of 98.5%.

The highest rate of bachelors degrees is among asian people with a rate of 87.09%.

Sammamish Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$130,375$174,784$76,963
Graduate Degree$164,656$198,017$102,260
High School Graduate$74,570$80,435$71,679
Less Than 9th Grade$47,347$51,250$0
Overall$126,464$171,456$78,950
Some College$60,995$75,625$44,385

$126,464

Average Earnings

$171,456

Average Male

$78,950

Average Female

Sammamish Earnings by Educational Attainment

Sammamish Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sammamish Language

62.59% of Sammamish residents speak only English, while 37.41% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 21.48% of the population.

Sammamish Language

Sammamish Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White35,4611,2893.63%
Asian23,8276382.68%
Multiple4,32448311.17%
Black88622425.28%
Hispanic2,3951074.47%
Native2173415.67%
Other425307.06%
Islander611016.39%

4.11%

Overall Poverty Rate

3.53%

Male Poverty Rate

4.67%

Female Poverty Rate

Poverty in Sammamish

The race most likely to be in poverty in Sammamish is Black, with 25.28% below the poverty level.

The race least likely to be in poverty in Sammamish is Asian, with 2.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.41%. Among those working part-time, it was 6.76%, and for those that did not work, the poverty rate was 6.63%.

Sammamish Poverty

rate

Rate
Poverty
Less Than 9th Grade21.79%
Some College7.67%
High School3.03%
Bachelors or Greater2.25%

Sammamish Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed11.89%
Female Unemployed6.6%
Female Employed3.38%
Male Employed1.11%

Sammamish Poverty Rate by Employment Status and Sex

Sammamish Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$232,188$278,772
Households$215,047$261,753
Married Families$247,515$-999,999,999
Non Families$101,250$139,049

mean

median

Income by Household Type

Sammamish Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

70.1%

Overall Marriage Rate

72.9%

Male Marriage Rate

67.4%

Female Marriage Rate

Sammamish Married by Age and Sex

male

female

Sammamish 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.

Sammamish Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sammamish Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,348

Number of Veterans

1,196

Male Veterans

152

Female Veterans

War
Veterans
Vietnam481
First Gulf War303
Second Gulf War281
Korea21
World War II8

Sammamish Veterans by War

count

Age Group
Veterans
35 to 54386
65 to 74371
55 to 64285
75+223
18 to 3483

Sammamish Veterans by Age

count

Name
Veterans
% of Total
White1,1204.09%
2+ Races1154.99%
Asian530.33%
Black365.63%
Hispanic251.64%
Islander1219.67%
Other Race123.39%

Sammamish Veterans by Race

Sammamish Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.38%

Veteran Poverty Rate

8.9%

Veteran Disability Rate

Sammamish Veterans by Education

LaborForceParticipation

69.2%

Labor Force Participation

67.2%

Employment Rate

2.8%

Unemployment Rate

Sammamish Employment by Age

LaborForceParticipation

Sammamish Employment by Race

LaborForceParticipation

Sammamish 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

33.13%

Born in Sammamish

64.88%

Native Born

35.12%

Foreign Born

19.47%

Non Citizen

15.65%

Naturalized

Place of Birth

64.88% of Sammamish residents were born in the United States, with 33.13% having been born in Washington. 19.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Sammamish Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202960,460-776-1.27%
202861,236-776-1.25%
202762,012-776-1.24%
202662,788-776-1.22%
202563,564-776-1.21%
202464,340-776-1.19%
202365,116-738-1.12%
202265,854-896-1.34%
202166,750-694-1.03%
202067,4441,5932.42%
201965,8512960.45%
201865,5555370.83%
201765,0181,1041.73%
201663,9145680.9%
201563,3461,0951.76%
201462,2511,1781.93%
201361,0731,0411.73%
201260,0321,2652.15%
201158,7671,1111.93%
201057,65600%
200034,104-26,356-43.59%

Sammamish Population by Year