Sammamish, Washington Population 2024

64,340
30K40K50K60K70K200020022004200620082010201220142016201820202022202420262028YearPopulation

Sammamish Demographics

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

  • White: 53.08%
  • Asian: 36.64%
  • Two or more races: 7.47%
  • Black or African American: 1.53%
  • Other race: 0.78%
  • Native American: 0.41%
  • 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)
White35,22953.08%
Asian24,32236.64%
Two or more races4,9617.47%
Black or African American1,0141.53%
Other race5180.78%
Native American2740.41%
Native Hawaiian or Pacific Islander570.09%
53.08%36.64%7.47%Race

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

010203040506070804K3.5K3K2.5K2K1.5K1K500005001K1.5K2K2.5K3K3.5K4KMaleFemale

Sammamish Median Age

39.4

Total

40.1

Male

38.8

Female

Sammamish Adults

There are 46,901 adults, (5,899 of whom are seniors) in Sammamish.

Sammamish Age Dependency

61.9

Age Dependency Ratio

14.4

Old Age Dependency Ratio

47.5

Child Dependency Ratio

Sammamish Sex Ratio

Female33,80950.94%
Male32,56649.06%

Sammamish Population by Age

Sammamish Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All22,096383.416.6
Married17,1893.3490.89.2
Non Family3,0551.335842
Female1,3162.653.546.5
Male5362.6366.833.2

3.23

Average Family Size

3

Average Household Size

83.4%

Rate of Home Ownership

77.79%5.96%13.83%Households by Type

Married

Male

Female

NonFamily

MarriedAllMaleNon FamilyFemale00.10.20.30.40.50.60.70.80.91

owner

renter

Sammamish Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree02K4K6K8K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade7171.65%
Associates Degree2,4865.73%
Bachelors Degree17,37140.04%
Graduate Degree16,01436.92%
High School Graduate2,1394.93%
Less Than 9th Grade4801.11%
Some College4,1729.62%
9.62%5.73%40.04%36.92%Over 25 Education

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

WhiteAsianHispanicBlackIslander2+ RacesOther RaceNative American0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White23,46322,99917,015
Asian15,62315,12513,646
2+ Races2,3202,1991,539
Hispanic1,5771,5211,309
Black677648354
Other Race333310179
Native American20617932
Islander393720

The highest rate of high school graduation is among white people with a rate of 98.02%.

The highest rate of bachelors degrees is among asian people with a rate of 87.35%.

Sammamish Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$50,000$100,000$150,000$200,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$136,648$186,142$78,973
Graduate Degree$174,880$212,199$116,635
High School Graduate$71,786$65,972$77,137
Less Than 9th Grade$48,894$53,083$0
Overall$133,820$180,770$82,370
Some College$64,372$90,625$48,239

$133,820

Average Earnings

$180,770

Average Male

$82,370

Average Female

Sammamish Earnings by Educational Attainment

Sammamish Language by Age

61.16%12.2%22.27%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sammamish Language

61.16% of Sammamish residents speak only English, while 38.84% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 22.27% of the population.

Sammamish Language

Sammamish Poverty by Race

IslanderBlackNativeMultipleOtherHispanicWhiteAsian0%5%10%15%20%25%30%35%40%

rate

Name
Total
In Poverty
Poverty Rate
White33,8141,4494.29%
Multiple4,95260512.22%
Asian24,3224691.93%
Black93826027.72%
Hispanic2,9081424.88%
Native2746122.26%
Other518285.41%
Islander572035.09%

4.4%

Overall Poverty Rate

3.83%

Male Poverty Rate

4.95%

Female Poverty Rate

Poverty in Sammamish

The race most likely to be in poverty in Sammamish is Islander, with 35.09% below the poverty level.

The race least likely to be in poverty in Sammamish is Asian, with 1.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.42%. Among those working part-time, it was 7.84%, and for those that did not work, the poverty rate was 7.23%.

Sammamish Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%2%4%6%8%10%12%14%16%18%20%22%

rate

Rate
Poverty
Less Than 9th Grade21.64%
Some College9.28%
High School3.79%
Bachelors or Greater2.43%

Sammamish Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%1%2%3%4%5%6%7%8%9%10%

rate

Rate
Poverty
Male Unemployed9.43%
Female Unemployed8.11%
Female Employed4.06%
Male Employed1.05%

Sammamish Poverty Rate by Employment Status and Sex

Sammamish Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k010203040506070

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$248,873$300,791
Households$227,273$280,644
Married Families$250,001$-999,999,999
Non Families$105,425$146,839
HouseholdsFamiliesMarried FamiliesNon Families050,000100,000150,000200,000250,000300,000350,000

mean

median

Income by Household Type

Sammamish Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

69.6%

Overall Marriage Rate

72.9%

Male Marriage Rate

66.5%

Female Marriage Rate

Sammamish Married by Age and Sex

35-4445-5455-64Over 6520-3415-19020406080100

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

AsianHispanicWhiteWhiteNonHispanicIndianHawaiianBlackTwoOrMoreRacesOtherRace0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Sammamish Marital Status

31.99%25.82%40.06%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,259

Number of Veterans

1,093

Male Veterans

166

Female Veterans

War
Veterans
Vietnam377
Second Gulf War301
First Gulf War243
Korea20
World War II0

Sammamish Veterans by War

18 to 3435 to 5455 to 6465 to 7475+050100150200250300350400

count

Age Group
Veterans
35 to 54375
55 to 64280
65 to 74268
75+243
18 to 3493

Sammamish Veterans by Age

White2+ RacesAsianBlackHispanicOther RaceIslander01002003004005006007008009001,000

count

Name
Veterans
% of Total
White9773.72%
2+ Races1234.52%
Asian700.42%
Black658.97%
Hispanic412.41%
Other Race133.39%
Islander1119.3%

Sammamish Veterans by Race

Sammamish Veterans by Education

7.18%31.84%58.34%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.24%

Veteran Poverty Rate

15.01%

Veteran Disability Rate

Sammamish Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090

LaborForceParticipation

68.2%

Labor Force Participation

66.3%

Employment Rate

2.7%

Unemployment Rate

Sammamish Employment by Age

Other RaceIslanderNative AmericanAsianHispanic2+ RacesWhiteWhite Non-HispanicBlack0102030405060708090

LaborForceParticipation

Sammamish Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

Sammamish Employment by Education

Origin of Non-Citizens

12.05%76.38%Origin

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

19.17%67.7%5.33%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

32.86%

Born in Sammamish

63.89%

Native Born

36.11%

Foreign Born

19.8%

Non Citizen

16.3%

Naturalized

Place of Birth

63.89% of Sammamish residents were born in the United States, with 32.86% having been born in Washington. 19.8% 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