98198 ZIP Code — Seattle, WA

King County, Washington

ZIP code 98198 is located in Seattle, Washington, within King County. It covers approximately 7.73 square miles and serves a population of 38,942 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 206/253.

About ZIP code 98198

The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character. Median home value is $475,100. Owner-occupancy sits near the national average at 54%.

The gap between median ($76,062) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

38,942
population
7.73
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98198 ZIP code map
Cities in ZIP code 98198

Below are the cities the US Postal Service accepts for ZIP code 98198. Using any city not on this list may result in mail delivery delays.

City Status
Seattle Acceptable
Seattle Preferred
Nearby ZIP codes
98032 Kent (2.3 mi) 98148 Seattle (4.5 mi) 98158 Seattle (4.7 mi) 98188 Seattle (4.8 mi) 98166 Seattle (5.1 mi) 98003 Federal Way (5.2 mi) 98030 Kent (5.4 mi) 98001 Auburn (5.6 mi) 98031 Kent (5.7 mi) 98023 Federal Way (6.2 mi) 98002 Auburn (6.9 mi) 98070 Vashon (7.1 mi)
Demographics updated 05/2026
Population
Total population 38,942
Population density 5,038 / sq mi
State FIPS 53
County FIPS 033
Geography
Land area 7.73 sq mi
Water area 0.93 sq mi
Latitude 47.3823
Longitude -122.3107
Timezone Pacific (PT)
Area code 206/253
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 32.4% 24.4% 31.7%
$50k – $100k 36.0% 25.9% 30.6%
$100k – $200k 26.0% 30.8% 27.1%
Over $200k 5.7% 18.9% 10.6%

Demographics & statistics

38,942
Population
5,038
People per sq mi
36.7
Median age
$76,062
Median household income
$40,623
Per capita income
$475,100
Median home value
$1,709
Median monthly rent
53.7%
Home ownership
13.3%
Poverty rate
8.1%
Unemployment
8,631
Housing units
29.0%
Bachelor's or higher

Age distribution

Male Female
1,245
Under 5
1,291
1,254
5–9
1,301
1,143
10–14
1,185
1,018
15–19
1,056
934
20–24
969
3,344
25–34
3,469
2,952
35–44
3,063
2,342
45–54
2,429
982
55–59
1,019
936
60–64
971
1,553
65–74
1,610
809
75–84
840
602
85+
625
← Male
Female →

Age summary

GroupCount%
Under 188,57022.0%
18 and over30,37278.0%
65 and over6,03915.5%
Median age36.7 years

Race & ethnicity

White 41.9%
Hispanic or Latino 15.2%
Other race 12.2%
Asian 10.2%
Black or African American 9.8%
Two or more races 8.5%
Native Hawaiian / Pacific Islander 1.8%
American Indian / Alaska Native 0.5%
GroupCount%
White19,23241.9%
Hispanic or Latino6,97415.2%
Other race5,59812.2%
Asian4,66610.2%
Black or African American4,5009.8%
Two or more races3,8898.5%
Native Hawaiian / Pacific Islander8151.8%
American Indian / Alaska Native2420.5%

Household income

Income range This ZIP County avg State avg
Under $50k 32.4% 24.4% 31.7%
$50k – $100k 36.0% 25.9% 30.6%
$100k – $200k 26.0% 30.8% 27.1%
Over $200k 5.7% 18.9% 10.6%
Under $10k 2.6%
$10k–$15k 1.3%
$15k–$25k 6.1%
$25k–$35k 5.7%
$35k–$50k 14.7%
$50k–$75k 18.4%
$75k–$100k 13.0%
$100k–$150k 20.0%
$150k–$200k 9.1%
$200k+ 9.2%
Range% of households
Under $10k2.6%
$10k–$15k1.3%
$15k–$25k6.1%
$25k–$35k5.7%
$35k–$50k14.7%
$50k–$75k18.4%
$75k–$100k13.0%
$100k–$150k20.0%
$150k–$200k9.1%
$200k+9.2%
Median income$76,062

Housing

Home values

Under $50k 1.3%
$50k–$100k 0.3%
$100k–$150k 0.7%
$150k–$200k 0.2%
$200k–$300k 8.8%
$300k–$500k 46.4%
$500k–$1M 38.8%
$1M+ 3.5%

Housing overview

MetricValue
Median home value$475,100
Median rent / month$1,709
Owner occupied53.7%
Renter occupied46.3%
Vacant5.1%
Single-family detached49.8%
Large apartment buildings16.6%
Mobile homes0.9%
Median rooms5.0
Avg household size (owned)2.56

Year built

Era%
2020 or later1.0%
2010–20195.7%
2000–20099.9%
1990–19995.4%
1980–198918.1%
1970–197918.1%
1960–196921.8%
1950–195913.7%
1940–19493.0%
1939 or earlier3.3%

Bedrooms

Size% of units
No bedroom (studio)3.2%
1 bedroom12.4%
2 bedrooms36.7%
3 bedrooms30.2%
4 bedrooms12.1%
5+ bedrooms5.4%

Vehicles per household

Vehicles% of households
No vehicle7.5%
1 vehicle34.4%
2 vehicles36.6%
3 or more21.5%

Heating fuel

Fuel type%
Utility gas33.8%
Electricity60.1%
Propane / LP gas1.3%
Fuel oil3.7%
Wood0.2%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family6,01041.1%
Cohabiting couple1,57110.8%
Male householder, no spouse3,02220.7%
Female householder, no spouse4,00327.4%
Households with children under 184,52831.0%
Households with seniors (65+)4,25129.1%
Average household size2.56

Marital status

StatusMaleFemale
Never married41.8%34.2%
Married44.4%40.0%
Separated1.8%2.7%
Widowed1.5%8.7%
Divorced10.6%14.4%

Education

Less than 9th grade 6.9%
Some HS, no diploma 6.4%
HS graduate 26.3%
Some college, no degree 21.5%
Associate's degree 9.8%
Bachelor's degree 19.1%
Graduate / professional 9.9%
Metric%
HS diploma or higher86.7%
Bachelor's or higher29.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5356.6%
Kindergarten4425.4%
Elementary school3,63844.8%
High school1,73221.3%
College / grad school1,76921.8%

Employment

Industry of employment

Education & healthcare 16.1%
Professional & management 14.1%
Transportation & utilities 13.5%
Retail trade 10.4%
Arts, food & hospitality 10.0%
Construction 9.0%
Manufacturing 7.6%
Other services 6.8%
Finance & real estate 5.2%
Public administration 2.9%
Wholesale trade 2.7%
Information 1.4%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts34.2%
Service22.9%
Sales & office16.6%
Natural resources & construction11.7%
Production & transportation14.6%

Employment type

Type%
Private sector83.8%
Government10.0%
Self-employed6.1%
Unpaid family workers0.1%

Commute

Method%
Drive alone69.9%
Carpool10.3%
Public transit5.8%
Walk1.0%
Work from home12.2%
Other means0.8%
Avg commute (minutes)30.2

Poverty

All people 13.3%
Under 18 years 16.5%
18 and over 12.4%
Married-couple families 5.8%
Female-led households 16.1%

Income support

Source% of households
Social Security27.7%
Retirement income23.7%
Supplemental Security3.7%
Cash public assistance4.7%
Food stamps / SNAP13.2%

Health indicators

Condition%
Obesity24.7%
High blood pressure30.2%
High cholesterol30.8%
Diabetes8.4%
Heart disease5.4%
Stroke2.9%
Asthma10.1%
Arthritis21.8%
Kidney disease2.8%
Pulmonary disease5.4%
Cancer6.3%
Behavior / access%
Smoking13.9%
Binge drinking17.5%
No physical activity18.6%
Less than 7 hrs sleep29.6%
Depression24.6%
Fair or poor health14.2%
Poor mental health14.6%
Poor physical health10.1%
No health insurance14.7%
Visited doctor (checkup)68.8%
Visited dentist64.7%
Cholesterol screening87.2%
Teeth loss10.9%

Veterans & disability

VeteransCount%
Civilian veterans1,8496.1%
Disability%
Any disability14.1%
Under 185.7%
18–64 years10.8%
65 and over40.6%

Health insurance coverage

Type%
Private insurance57.7%
Public insurance43.6%
No insurance10.1%
Uninsured under 193.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only36,40693.5%
Spanish6,62318.2%
Other Indo-European3,1038.5%
Asian & Pacific Islander1,3293.7%
Other languages1,3443.7%

Place of birth & citizenship

OriginCount%
Native born (US)28,03072.0%
Born in same state26,95169.2%
Born in different state17,16544.1%
Foreign born1,0792.8%
Naturalized citizen10,91228.0%
Not a US citizen4,31939.6%

Ancestry

AncestryCount%
French2,7437%
Italian2,5116.4%
Polish1,2813.3%
Arab7952%
Dutch3280.8%
AncestryCount%
English2560.7%
German550.1%
Irish530.1%
Norwegian250.1%

Technology access

Metric% of households
Computer access37.5%
Internet access96.1%

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

Frequently asked questions about ZIP code 98198

What city is ZIP code 98198 in?

ZIP code 98198 is primarily assigned to Seattle, Washington.

What county is ZIP code 98198 in?

ZIP code 98198 falls within King County, Washington.

What is the typical home value in ZIP code 98198?

The median home value in ZIP code 98198 is $475,100.

What is the population of ZIP code 98198?

ZIP code 98198 has an estimated population of 38,942 residents, with a density of 5,041 people per square mile.

What is the median household income in ZIP code 98198?

The median household income in ZIP code 98198 is $76,062, above the national median of ~$75,000.

What timezone is ZIP code 98198 in?

ZIP code 98198 observes the PST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →