King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA

Public Use Microdata Area (PUMA)

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2023 Population

156,956

0.226% 1-year decline

US Senator

Patty Murray

Democratic Party

US Senator

Maria Cantwell

Democratic Party

2023 Median Age

39.8

0.505% 1-year increase

2023 Poverty Rate

5.51%

1.92% 1-year increase

2023 Median Household Income

$192,778

6.07% 1-year growth

2023 Median Property Value

$1.21M

7.22% 1-year growth

2022 Employed Population

76,431

0.661% 1-year growth

About

In 2023, King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA had a population of 157k people with a median age of 39.8 and a median household income of $192,778. Between 2022 and 2023 the population of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA declined from 157,312 to 156,956, a −0.226% decrease and its median household income grew from $181,744 to $192,778, a 6.07% increase.

The 5 largest ethnic groups in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA are White (Non-Hispanic) (54.2%), Asian (Non-Hispanic) (31.2%), Two+ (Non-Hispanic) (6.63%), Two+ (Hispanic) (2.36%), and White (Hispanic) (1.87%).

34.5% of the households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

83.7% of the residents in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA are U.S. citizens.

In 2023, the median property value in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was $1.21M, and the homeownership rate was 72.2%.

Most people in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA drove alone to work, and the average commute time was 28.7 minutes. The average car ownership in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was 2 cars per household.

King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA borders King County (Northeast)--Snoqualmie City, Cottage Lake, Union Hill & Novelty Hill PUMA, WA, King County (Northwest)--Redmond, Kirkland Cities, Ingelwood & Finn Hill PUMA, WA, King County (Northwest Central)--Greater Bellevue City PUMA, WA, King County (Southeast)--Maple Valley, Covington & Enumclaw Cities PUMA, WA, King County (Central)--Renton City, Fairwood, Bryn Mawr & Skyway PUMA, WA, Seattle City (Southeast) PUMA, WA, and Seattle City (Central) PUMA, WA.

United States Washington

Population & Diversity

King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA is home to a population of 157k people, from which 83.7% are citizens. As of 2023, 31.1% of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA residents were born outside of the country (48.8k people).

In 2023, there were 1.74 times more White (Non-Hispanic) residents (85k people) in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA than any other race or ethnicity. There were 49k Asian (Non-Hispanic) and 10.4k Two+ (Non-Hispanic) residents, the second and third most common ethnic groups.

The most common non-English languages spoken as the primary langauge in households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA are Chinese (Incl. Mandarin, Cantonese) (15,255 households), Spanish (4,625 households), and Hindi (4,462 households).

Population & Diversity

Residents by Gender and Age

RACE/ETHNICITY

80,147

Women

50.8%

77,585

Men

49.2%

The resident population of United States in 2022 was 157,732 inhabitants, with 49.2% men, and 50.8% women.

The visualization shows the distribution of the residents by gender and age in the United States.

With the upper buttons you can add a filter by race.

Citizenship

83.7%

2023 Citizenship

83.9%

2022 Citizenship

As of 2023, 83.7% of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA residents were US citizens, which is lower than the national average of 93.4%. In 2022, the percentage of US citizens in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was 83.9%, meaning that the rate of citizenship has been decreasing.

The following chart shows US citizenship percentages in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA compared to that of it's neighboring and parent geographies.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA

White (Non-Hispanic)
85k ± 2.39k
Asian (Non-Hispanic)
49k ± 1.94k
Two+ (Non-Hispanic)
10.4k ± 1.1k

5.03%

Hispanic Population

7.89k people

5.03% of the people in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA are hispanic (7.89k people).

The following chart shows the 7 races represented in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA as a share of the total population.

Global Diversity

Most Common Origin

India
10,945 ± 2,478 people
China
10,595 ± 2,441 people
Canada
2,107 ± 1,119 people

In 2022, the most common birthplace for the foreign-born residents of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was India, the natal country of 10,945 King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA residents, followed by China with 10,595 and Canada with 2,107.

Foreign-Born Population

31.1%

2023 Foreign-Born Population

48.8k people

30.5%

2022 Foreign-Born Population

48k people

As of 2023, 31.1% of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA residents (48.8k people) were born outside of the United States, which is higher than the national average of 13.8%. In 2022, the percentage of foreign-born citizens in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was 30.5%, meaning that the rate has been increasing.

The following chart shows the percentage of foreign-born residents in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA compared to that of it's neighboring and parent geographies.

Non-English Households

Most Common Non-English Languages

Chinese (Incl. Mandarin, Cantonese)
15,255 households (10.3%)
Spanish
4,625 households (3.12%)
Hindi
4,462 households (3.01%)

34.5% of the households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA reported speaking a non-English language at home as their primary shared language, which is higher than the national average of 22%. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

In 2023, the most common non-English language spoken in households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was Chinese (Incl. Mandarin, Cantonese). 10.3% of the households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA reported speaking Chinese (Incl. Mandarin, Cantonese) at home as the primary shared language between all members living in the household.

Military

Veterans

Most Common Service Period

Vietnam
1,535 ± 244
Gulf War (2001-)
1,088 ± 278
Gulf War (1990s)
837 ± 260

King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA has a large population of military personnel who served in Vietnam, 1.41 times greater than any other conflict.

Economy

The economy of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA employs 76.4k people. The largest industries in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA are Computer Systems Design (14,063 people), Elementary & secondary schools (3,747 people), and Electronic shopping and mail-order houses (3,689 people), and the highest paying industries are Internet publishing, broadcasting & web search portals ($367,300), Data processing, hosting & related services ($336,431), and Software publishing ($266,011).

Males in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA have an average income that is 1.61 times higher than the average income of females, which is $124,626. The income inequality in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA (measured using the Gini index) is 0.459, which is lower than than the national average.

Employment

Workforce Diversity

Measure

RACE/ETHNICITY

32,929

Women

44.3%

41,451

Men

55.7%

The workforce of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA in 2020 was 74,380 people, with 44.3% woman, and 55.7% men.

The visualization shows the distribution of the workforce by gender and age in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA.

With the upper buttons you can see the distribution of the average salary and add a filter by race.

Occupations

76.4k

2022 Value

0.661%

1 Year growth

± 0.661%

From 2021 to 2022, employment in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA grew at a rate of 0.661%, from 75.9k employees to 76.4k employees.

The most common job groups, by number of people living in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA, are Software developers (9,860 people), Other managers (4,658 people), and Accountants & auditors (1,816 people). This chart illustrates the share breakdown of the primary jobs held by residents of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA.

Unemployment Insurance Claims

Data is only available at the state level. Showing data for false.

This chart shows weekly unemployment insurance claims in Washington (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

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Industries

Employment by Industries

76.4k

2022 Value

0.661%

1 Year growth

± 0.661%

From 2021 to 2022, employment in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA grew at a rate of 0.661%, from 75.9k employees to 76.4k employees.

The most common employment sectors for those who live in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA, are Computer Systems Design (14,063 people), Elementary & secondary schools (3,747 people), and Electronic shopping and mail-order houses (3,689 people). This chart shows the share breakdown of the primary industries for residents of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA, though some of these residents may live in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$149,721

Median earning men ± $4,893

$79,925

Median earning women ± $3,333

The industries with the best median earnings for men in 2023 are Information ($226,279), Professional, Scientific, & Management, & Administrative & Waste Management Services ($197,089), and Finance & Insurance, & Real Estate & Rental & Leasing ($149,621).

The industries with the best median earnings for women in 2023 are Information ($157,059), Manufacturing ($119,826), and Professional, Scientific, & Management, & Administrative & Waste Management Services ($117,530).

Employment by Industry Sector

Data is only available at the state level. Showing data for Washington.

Y-Axis

3.62%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 3.58M people employed in Washington. This represents a 3.62% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 10.3%.

The following chart shows monthly employment numbers for each industry sector in Washington.

Civics

In the 2024 presidential election, the popular vote in Washington went to Kamala Harris with 57.2% of the vote. The runner-up was Donald J. Trump (39%), followed by Robert Kennedy (1.4%).

Patty Murray and Maria Cantwell are the senators currently representing the state of Washington. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Washington is currently represented by 10 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Elections

Presidential Popular Vote Over Time

Voting results are not available for King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA. Showing the available data for Washington.

2024 Election Results

Kamala Harris (57.2%)
Democratic Party
Donald J. Trump (39%)
Republican Party
Robert Kennedy (1.4%)
Independent Party

In the 2024 presidential election, the popular vote in Washington went to Kamala Harris with 57.2% of the vote. The runner-up was Donald J. Trump (39%), followed by Robert Kennedy (1.4%).

The following chart shows the popular vote results in Washington for each registered party from 1976 to 2024.

Senator Elections

US Senators from Washington

Senatorial voting results are only available at the state level. Showing data for Washington.

Patty Murray

Senator from Washington

Assumed office on January 3, 1993

Maria Cantwell

Senator from Washington

Assumed office on January 3, 2001

Patty Murray and Maria Cantwell are the senators currently representing Washington.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in Washington over time, excluding special elections, colored by their political party.

US Representative Elections

US Representatives from Washington

Washington is currently represented by 10 members in the U.S. house.

Members of the House of Representives are elected to 2-year terms, and the following chart shows the how the members for Washington have changed over time starting in 2008.

Education

Completions

Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

Working Population

Educational Pyramid

Measure

In 2022, 0.467% of men over 25 years of age had not completed any academic degree (no schooling), while 0.797% of women were in the same situation.

This visualization shows the gender distribution of the population according to the academic level reached.

Educational Attainment

Race

The most common educational levels obtained by the working population of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA in 2022 were Bachelors Degree (44.8k), Graduate Degree (38.2k), and Primary Education (16.9k).

This visualization illustrates the percentage distribution of the population according to the highest educational level reached. You can filter the data by race by using the selector above.

Housing & Living

The median property value in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was $1.21M in 2023, which is 3.98 times larger than the national average of $303,400. Between 2022 and 2023 the median property value increased from $1.13M to $1.21M, a 7.22% increase. The homeownership rate in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA is 72.2%, which is approximately the same as the national average of 65%.

People in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA have an average commute time of 28.7 minutes, and they drove alone to work. Car ownership in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA is approximately the same as the national average, with an average of 2 cars per household.

Median household income in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA is $192,778. In 2023, the PUMA with the highest Median Household Income in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA with a value of $192,778, followed by King County (Northeast)--Snoqualmie City, Cottage Lake, Union Hill & Novelty Hill PUMA, WA and King County (Northwest Central)--Greater Bellevue City PUMA, WA, with respective values of $175,297 and $163,708.

Housing

Property

$1.21M

Median Property Value 2023

±$20,966

$41,878

Median Property Taxes

±$1,165

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA the largest share of households pay taxes in the $3k+ range.

The chart underneath the paragraph shows the property taxes in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA compared to it's parent and neighbor geographies.

Rent vs Own

72.2%

Homeownership

2023

68.9%

Homeowners with Mortgage

2023

In 2023, 72.2% of the housing units in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA were occupied by their owner. This percentage declined from the previous year's rate of 72.9%.

This chart shows the percentage of owner in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA compared it's parent and neighboring geographies.

Equity

Income by Location

Use the dropdown to filter by race/ethnicity.

Race/Ethnicity

Highest Median Household Income (Total)

In 2023, the PUMA with the highest Median Household Income (Total) in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA with a value of $192,778, followed by King County (Northeast)--Snoqualmie City, Cottage Lake, Union Hill & Novelty Hill PUMA, WA and King County (Northwest Central)--Greater Bellevue City PUMA, WA, with respective values of $175,297 and $163,708.

The following map shows all of the PUMAs in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA colored by their Median Household Income (Total).

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$192,778

Median Household Income

± $6,684

58k

Number of Households

± 1,653

In 2023, the median household income of the 58k households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA grew to $192,778 from the previous year's value of $181,744.

The following chart displays the households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $200k+ range.

Wage Distribution

0.459

2022 Wage GINI in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA

0.464

2021 Wage GINI in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA

In 2022, the income inequality in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was 0.459 according to the GINI calculation of the wage distribution. Income inequality had a 1.09% decline from 2021 to 2022, which means that wage distribution grew somewhat more even. The GINI for King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA was lower than than the national average of 0.478. In other words, wages are distributed more evenly in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA in comparison to the national average.

This chart shows the number of workers in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA across various wage buckets compared to the national average.

Transportation

Commuter Transportation

Most Common Commute in 2023

Drove Alone (52.6%)
Worked At Home (35.2%)
Carpooled (5.29%)

In 2023, 52.6% of workers in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA drove alone to work, followed by those who worked at home (35.2%) and those who carpooled to work (5.29%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

Commute Time

28.7 minutes

Average Travel Time

Using averages, employees in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA have a longer commute time (28.7 minutes) than the normal US worker (26.6 minutes). Additionally, 1.55% of the workforce in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA compares to that of it's neighboring and parent geographies.

Car Ownership

2 cars

Average Number

The following chart displays the households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA have 2 cars.

Poverty

Poverty & Diversity

5.51% of the population for whom poverty status is determined in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA (8.61k out of 156k people) live below the poverty line, a number that is lower than the national average of 12.4%. The largest demographic living in poverty are Females 25 - 34, followed by Males 55 - 64 and then Females 35 - 44.

The most common racial or ethnic group living below the poverty line in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA is White, followed by Asian and Two Or More.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

Health

97.9% of the population of King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA has health coverage, with 71% on employee plans, 5.01% on Medicaid, 10% on Medicare, 11.4% on non-group plans, and 0.432% on military or VA plans.

Primary care physicians in Washington see 1184 patients per year on average, which represents a 0.68% increase from the previous year (1176 patients). Compare this to dentists who see 1175 patients per year, and mental health providers who see 215 patients per year.

Coverage

Patient to Clinician Ratios

Data is only available at the state level. Showing data for Washington.

1,184 to 1

Patient to Primary Care Physician Ratio in Washington

Primary care physicians in Washington see an average of 1,184 patients per year. This represents a 0.68% increase from the previous year (1,176 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Washington in comparison to its neighboring geographies.

Health Care Diversity

In 2023, insured persons according to age ranges were distributed in 26.5% under 18 years, 15.7% between 18 and 34 years, 44.8% between 35 and 64 years, and 13% over 64 years.

By gender, of the total number of insured persons, 48.8% were men and 51.2% were women.

The following chart shows the number of people with health coverage by gender.

Uninsured People

2.09%

Uninsured

71%

Employer Coverage

5.01%

Medicaid

10%

Medicare

11.4%

Non-Group

0.432%

Military or VA

Between 2022 and 2023, the percent of uninsured citizens in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA declined by 4.27% from 2.18% to 2.09%.

The following chart shows how the percent of uninsured individuals in King County (Central)--Sammamish, Issaquah, Mercer Island & Newcastle Cities PUMA, WA changed over time compared with the percent of individuals enrolled in various types of health insurance.