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Washington ZIP Codes
King County
Seattle, WA
98103
98103 ZIP Code — Seattle, WA
King County, Washington
ZIP code 98103 is located in
Seattle ,
Washington ,
within King County .
It covers approximately 4.59 square miles and serves a population of
51,878 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 206 .
About ZIP code 98103
The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the pre-1940, giving the area an established character. Median home value is $970,100. Renters make up the majority at 57%, typical of denser urban areas.
The gap between median ($122,656) 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 26 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.
Educational attainment is high — 77% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 98103 reflects a community defined by a highly educated population and a high rate of remote workers.
98103 ZIP code map
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Cities in ZIP code 98103
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
51,878
Population density
11,302 / sq mi
State FIPS
53
County FIPS
033
Geography
Land area
4.59 sq mi
Water area
0.64 sq mi
Latitude
47.6703
Longitude
-122.3483
Timezone
Pacific (PT)
Area code
206
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.7%
24.4%
31.7%
$50k – $100k
25.4%
25.9%
30.6%
$100k – $200k
33.1%
30.8%
27.1%
Over $200k
19.8%
18.9%
10.6%
Demographics & statistics
$122,656
Median household income
$970,100
Median home value
$1,982
Median monthly rent
77.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,761 13.0%
18 and over 45,117 87.0%
65 and over 5,731 11.0%
Median age 33.5 years
Race & ethnicity
Black or African American
2.3%
Native Hawaiian / Pacific Islander
0.2%
American Indian / Alaska Native
0.1%
Group Count %
White 38,854 71.4%
Asian 5,719 10.5%
Two or more races 4,911 9%
Hispanic or Latino 2,526 4.6%
Black or African American 1,266 2.3%
Other race 960 1.8%
Native Hawaiian / Pacific Islander 116 0.2%
American Indian / Alaska Native 52 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.7%
24.4%
31.7%
$50k – $100k
25.4%
25.9%
30.6%
$100k – $200k
33.1%
30.8%
27.1%
Over $200k
19.8%
18.9%
10.6%
Range % of households
Under $10k 2.0%
$10k–$15k 3.1%
$15k–$25k 2.1%
$25k–$35k 4.9%
$35k–$50k 5.3%
$50k–$75k 11.0%
$75k–$100k 11.0%
$100k–$150k 20.2%
$150k–$200k 12.1%
$200k+ 28.4%
Median income $122,656
Housing
Housing overview
Metric Value
Median home value $970,100
Median rent / month $1,982
Owner occupied 43.3%
Renter occupied 56.7%
Vacant 6.3%
Single-family detached 39.2%
Large apartment buildings 20.7%
Mobile homes 0.2%
Median rooms 4.3
Avg household size (owned) 2.30
Year built
Era %
2020 or later 0.2%
2010–2019 12.3%
2000–2009 12.1%
1990–1999 6.5%
1980–1989 7.9%
1970–1979 8.3%
1960–1969 7.2%
1950–1959 5.7%
1940–1949 3.5%
1939 or earlier 36.3%
Bedrooms
Size % of units
No bedroom (studio) 9.9%
1 bedroom 26.1%
2 bedrooms 27.1%
3 bedrooms 20.9%
4 bedrooms 11.9%
5+ bedrooms 4.2%
Vehicles per household
Vehicles % of households
No vehicle 9.7%
1 vehicle 50.7%
2 vehicles 31.5%
3 or more 8.0%
Heating fuel
Fuel type %
Utility gas 41.5%
Electricity 54.7%
Propane / LP gas 0.6%
Fuel oil 1.8%
Wood 0.4%
Solar 0.1%
No fuel used 0.7%
Households & families
Household type Count %
Married-couple family 8,277 32.3%
Cohabiting couple 3,722 14.5%
Male householder, no spouse 6,151 24.0%
Female householder, no spouse 7,470 29.2%
Households with children under 18 4,310 16.8%
Households with seniors (65+) 4,328 16.9%
Average household size 2.01
Marital status
Status Male Female
Never married 50.7% 49.5%
Married 39.8% 35.3%
Separated 0.4% 1.0%
Widowed 1.4% 2.9%
Divorced 7.7% 11.4%
Education
Some college, no degree
11.2%
Graduate / professional
32.8%
Metric %
HS diploma or higher 98.0%
Bachelor's or higher 77.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 676 7.7%
Kindergarten 336 3.8%
Elementary school 2,683 30.4%
High school 1,326 15.0%
College / grad school 3,811 43.1%
Employment
Industry of employment
Education & healthcare
25.2%
Professional & management
24.1%
Arts, food & hospitality
8.9%
Finance & real estate
5.3%
Transportation & utilities
2.4%
Public administration
1.7%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 70.7%
Service 10.3%
Sales & office 12.7%
Natural resources & construction 2.0%
Production & transportation 4.3%
Employment type
Type %
Private sector 82.4%
Government 12.2%
Self-employed 5.3%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 40.9%
Carpool 4.3%
Public transit 17.2%
Walk 4.9%
Work from home 27.4%
Other means 5.4%
Avg commute (minutes) 26.0
Poverty
Married-couple families
1.1%
Female-led households
11.2%
Income support
Source % of households
Social Security 15.5%
Retirement income 13.4%
Supplemental Security 1.6%
Cash public assistance 2.1%
Food stamps / SNAP 3.1%
Health indicators
Condition %
Obesity 19.7%
High blood pressure 19.8%
High cholesterol 24.2%
Diabetes 4.3%
Heart disease 2.8%
Stroke 1.4%
Asthma 9.1%
Arthritis 14.1%
Kidney disease 1.6%
Pulmonary disease 2.5%
Cancer 4.7%
Behavior / access %
Smoking 7.8%
Binge drinking 22.4%
No physical activity 9.5%
Less than 7 hrs sleep 25.1%
Depression 24.5%
Fair or poor health 6.4%
Poor mental health 12.8%
Poor physical health 5.7%
No health insurance 6.9%
Visited doctor (checkup) 65.0%
Visited dentist 77.3%
Cholesterol screening 88.5%
Teeth loss 4.7%
Veterans & disability
Veterans Count %
Civilian veterans 1,179 2.6%
Disability %
Any disability 6.5%
Under 18 1.5%
18–64 years 4.9%
65 and over 24.0%
Health insurance coverage
Type %
Private insurance 87.1%
Public insurance 16.8%
No insurance 3.7%
Uninsured under 19 0.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 49,482 95.4%
Spanish 1,993 4.0%
Other Indo-European 575 1.2%
Asian & Pacific Islander 478 1.0%
Other languages 701 1.4%
Place of birth & citizenship
Origin Count %
Native born (US) 43,957 84.7%
Born in same state 42,978 82.8%
Born in different state 17,992 34.7%
Foreign born 979 1.9%
Naturalized citizen 7,921 15.3%
Not a US citizen 4,106 51.8%
Ancestry
Ancestry Count %
Italian 6,832 13.2%
French 6,518 12.6%
Polish 2,407 4.6%
Arab 1,433 2.8%
Dutch 664 1.3%
Ancestry Count %
English 642 1.2%
German 396 0.8%
Irish 341 0.7%
Norwegian 237 0.5%
Technology access
Metric % of households
Computer access 49.4%
Internet access 97.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98103
What part of Seattle is ZIP code 98103?
ZIP code 98103 covers a portion of Seattle, Washington, within King County.
What county is ZIP code 98103 in?
ZIP code 98103 falls within King County, Washington.
How educated is the population of ZIP code 98103?
77% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 98103 mostly rentals?
57% of occupied units in ZIP code 98103 are renter-occupied.
What is the median household income in ZIP code 98103?
The median household income in ZIP code 98103 is $122,656, above the national median of ~$75,000.
What is the typical home value in ZIP code 98103?
The median home value in ZIP code 98103 is $970,100.
What timezone is ZIP code 98103 in?
ZIP code 98103 observes the PST timezone.
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