98155 ZIP Code — Seattle, WA

King County, Washington

ZIP code 98155 is located in Seattle, Washington, within King County. It covers approximately 7.54 square miles and serves a population of 35,550 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 206.

About ZIP code 98155

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $712,200. Owner-occupancy sits near the national average at 71%.

The gap between median ($124,531) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 56% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 98155 reflects a community defined by a highly educated population and a high rate of remote workers.

35,550

population

7.54

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

98155 ZIP code map

Cities in ZIP code 98155

Below are the cities the US Postal Service accepts for ZIP code 98155. Using any city not on this list may result in mail delivery delays.

City	Status
Seattle	Acceptable
Seattle	Preferred

Nearby ZIP codes

98028 Kenmore (2.3 mi) 98133 Seattle (2.5 mi) 98043 Mountlake Terrace (2.6 mi) 98125 Seattle (2.7 mi) 98036 Lynnwood (3.4 mi) 98177 Seattle (3.9 mi) 98011 Bothell (4.3 mi) 98034 Kirkland (4.8 mi) 98115 Seattle (5 mi) 98021 Bothell (5.1 mi) 98020 Edmonds (5.1 mi) 98026 Edmonds (5.7 mi)

Demographics updated 06/2026

Population
Total population	35,550
Population density	4,715 / sq mi
State FIPS	53
County FIPS	033

Geography
Land area	7.54 sq mi
Water area	0.63 sq mi
Latitude	47.7553
Longitude	-122.2959
Timezone	Pacific (PT)
Area code	206

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.1%	24.4%	31.7%
$50k – $100k	25.1%	25.9%	30.6%
$100k – $200k	37.5%	30.8%	27.1%
Over $200k	16.3%	18.9%	10.6%

Demographics & statistics

35,550

Population

4,715

People per sq mi

40.4

Median age

$124,531

Median household income

$60,548

Per capita income

$712,200

Median home value

$1,877

Median monthly rent

71.0%

Home ownership

5.5%

Poverty rate

4.3%

Unemployment

10,353

Housing units

56.0%

Bachelor's or higher

Age distribution

Male Female

900

Under 5

937

1,046

5–9

1,090

883

10–14

920

803

15–19

836

917

20–24

955

2,616

25–34

2,726

2,518

35–44

2,623

2,543

45–54

2,649

919

55–59

958

1,176

60–64

1,225

1,836

65–74

1,912

801

75–84

835

454

85+

472

← Male

Female →

Age summary

Group	Count	%
Under 18	6,916	19.5%
18 and over	28,634	80.5%
65 and over	6,310	17.7%
Median age	40.4 years

Race & ethnicity

White 65.9%

Asian 12%

Two or more races 8.5%

Hispanic or Latino 5.3%

Black or African American 4.4%

Other race 2.9%

American Indian / Alaska Native 0.8%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	24,737	65.9%
Asian	4,493	12%
Two or more races	3,178	8.5%
Hispanic or Latino	1,995	5.3%
Black or African American	1,665	4.4%
Other race	1,072	2.9%
American Indian / Alaska Native	304	0.8%
Native Hawaiian / Pacific Islander	101	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.1%	24.4%	31.7%
$50k – $100k	25.1%	25.9%	30.6%
$100k – $200k	37.5%	30.8%	27.1%
Over $200k	16.3%	18.9%	10.6%

Under $10k 1.9%

$10k–$15k 1.5%

$15k–$25k 4.1%

$25k–$35k 3.1%

$35k–$50k 7.1%

$50k–$75k 13.0%

$75k–$100k 11.1%

$100k–$150k 17.6%

$150k–$200k 16.4%

$200k+ 24.2%

Range	% of households
Under $10k	1.9%
$10k–$15k	1.5%
$15k–$25k	4.1%
$25k–$35k	3.1%
$35k–$50k	7.1%
$50k–$75k	13.0%
$75k–$100k	11.1%
$100k–$150k	17.6%
$150k–$200k	16.4%
$200k+	24.2%
Median income	$124,531

Housing

Home values

Under $50k 1.3%

$50k–$100k 0.6%

$100k–$150k 0.6%

$150k–$200k 0.3%

$200k–$300k 1.6%

$300k–$500k 12.1%

$500k–$1M 66.8%

$1M+ 16.6%

Housing overview

Metric	Value
Median home value	$712,200
Median rent / month	$1,877
Owner occupied	71.0%
Renter occupied	29.0%
Vacant	3.4%
Single-family detached	70.3%
Large apartment buildings	14.3%
Mobile homes	0.3%
Median rooms	6.0
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	0.3%
2010–2019	4.5%
2000–2009	4.7%
1990–1999	7.4%
1980–1989	11.7%
1970–1979	17.6%
1960–1969	15.9%
1950–1959	21.7%
1940–1949	11.0%
1939 or earlier	5.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	8.2%
2 bedrooms	25.1%
3 bedrooms	34.4%
4 bedrooms	24.4%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	33.9%
2 vehicles	41.2%
3 or more	21.5%

Heating fuel

Fuel type	%
Utility gas	44.2%
Electricity	46.6%
Propane / LP gas	2.1%
Fuel oil	5.7%
Wood	0.8%
Solar	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	7,221	52.0%
Cohabiting couple	922	6.6%
Male householder, no spouse	2,437	17.5%
Female householder, no spouse	3,316	23.9%
Households with children under 18	4,001	28.8%
Households with seniors (65+)	4,123	29.7%
Average household size	2.48

Marital status

Status	Male	Female
Never married	32.4%	29.5%
Married	56.0%	50.2%
Separated	0.3%	1.3%
Widowed	1.6%	6.9%
Divorced	9.6%	12.1%

Education

Less than 9th grade 1.1%

Some HS, no diploma 2.5%

HS graduate 14.3%

Some college, no degree 15.9%

Associate's degree 10.2%

Bachelor's degree 34.3%

Graduate / professional 21.7%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	56.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	653	8.9%
Kindergarten	388	5.3%
Elementary school	2,916	39.6%
High school	1,355	18.4%
College / grad school	2,055	27.9%

Employment

Industry of employment

Education & healthcare 22.8%

Professional & management 19.6%

Retail trade 12.8%

Arts, food & hospitality 7.5%

Construction 6.7%

Finance & real estate 6.1%

Manufacturing 6.0%

Other services 5.5%

Public administration 4.7%

Transportation & utilities 3.6%

Information 2.9%

Wholesale trade 1.6%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	55.1%
Service	13.9%
Sales & office	16.6%
Natural resources & construction	6.2%
Production & transportation	8.1%

Employment type

Type	%
Private sector	78.2%
Government	15.1%
Self-employed	6.7%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	58.8%
Carpool	8.0%
Public transit	7.5%
Walk	2.2%
Work from home	21.2%
Other means	2.3%
Avg commute (minutes)	28.3

Poverty

All people 5.5%

Under 18 years 5.0%

18 and over 5.6%

Married-couple families 1.5%

Female-led households 10.8%

Income support

Source	% of households
Social Security	25.3%
Retirement income	21.9%
Supplemental Security	2.7%
Cash public assistance	1.5%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
Obesity	21.3%
High blood pressure	27.8%
High cholesterol	31.1%
Diabetes	7.0%
Heart disease	4.6%
Stroke	2.3%
Asthma	9.2%
Arthritis	20.6%
Kidney disease	2.4%
Pulmonary disease	4.1%
Cancer	6.6%

Behavior / access	%
Smoking	9.8%
Binge drinking	18.0%
No physical activity	13.2%
Less than 7 hrs sleep	26.5%
Depression	23.4%
Fair or poor health	9.6%
Poor mental health	12.5%
Poor physical health	7.9%
No health insurance	8.3%
Visited doctor (checkup)	69.6%
Visited dentist	74.3%
Cholesterol screening	90.6%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,423	5.0%

Disability	%
Any disability	10.5%
Under 18	2.9%
18–64 years	8.5%
65 and over	26.8%

Health insurance coverage

Type	%
Private insurance	79.8%
Public insurance	29.6%
No insurance	3.3%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	33,713	94.8%
Spanish	1,987	5.9%
Other Indo-European	349	1.0%
Asian & Pacific Islander	363	1.1%
Other languages	957	2.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,246	82.3%
Born in same state	28,582	80.4%
Born in different state	15,958	44.9%
Foreign born	664	1.9%
Naturalized citizen	6,304	17.7%
Not a US citizen	3,965	62.9%

Ancestry

Ancestry	Count	%
French	4,338	12.2%
Italian	3,215	9%
Polish	2,399	6.7%
Arab	947	2.7%
English	710	2%

Ancestry	Count	%
Dutch	481	1.4%
Irish	288	0.8%
German	257	0.7%
Norwegian	120	0.3%

Technology access

Metric	% of households
Computer access	39.1%
Internet access	97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 98155

What city is ZIP code 98155 in?

ZIP code 98155 is primarily assigned to Seattle, Washington.

What county is ZIP code 98155 in?

ZIP code 98155 falls within King County, Washington.

How educated is the population of ZIP code 98155?

56% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 98155?

The median household income in ZIP code 98155 is $124,531, above the national median of ~$75,000.

What is the typical home value in ZIP code 98155?

The median home value in ZIP code 98155 is $712,200.

What is the population of ZIP code 98155?

ZIP code 98155 has an estimated population of 35,550 residents, with a density of 4,712 people per square mile.

What timezone is ZIP code 98155 in?

ZIP code 98155 observes the PST timezone.