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Washington ZIP Codes
King County
Kent, WA
98031
98031 ZIP Code — Kent, WA
King County, Washington
ZIP code 98031 is located in
Kent ,
Washington ,
within King County .
It covers approximately 7.73 square miles and serves a population of
41,615 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 253/425 .
About ZIP code 98031
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $494,400. Owner-occupancy sits near the national average at 66%.
The gap between median ($98,657) 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 31 minutes is near the national average.
Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.
98031 ZIP code map
View map of 98031
Cities in ZIP code 98031
Below are the cities the US Postal Service accepts for ZIP code 98031. Using any city not on this list may result in mail delivery delays.
City
Status
Kent
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
41,615
Population density
5,384 / sq mi
State FIPS
53
County FIPS
033
Geography
Land area
7.73 sq mi
Water area
0.12 sq mi
Latitude
47.4139
Longitude
-122.1981
Timezone
Pacific (PT)
Area code
253/425
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
27.7%
24.4%
31.7%
$50k – $100k
33.0%
25.9%
30.6%
$100k – $200k
32.4%
30.8%
27.1%
Over $200k
7.0%
18.9%
10.6%
Demographics & statistics
$98,657
Median household income
$494,400
Median home value
$1,882
Median monthly rent
29.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 10,001 24.0%
18 and over 31,614 76.0%
65 and over 4,678 11.2%
Median age 35.6 years
Race & ethnicity
Black or African American
11.2%
American Indian / Alaska Native
1%
Native Hawaiian / Pacific Islander
0.6%
Group Count %
White 15,998 34.6%
Asian 11,513 24.9%
Black or African American 5,153 11.2%
Two or more races 5,015 10.9%
Hispanic or Latino 4,578 9.9%
Other race 3,210 6.9%
American Indian / Alaska Native 444 1%
Native Hawaiian / Pacific Islander 282 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
27.7%
24.4%
31.7%
$50k – $100k
33.0%
25.9%
30.6%
$100k – $200k
32.4%
30.8%
27.1%
Over $200k
7.0%
18.9%
10.6%
Range % of households
Under $10k 3.4%
$10k–$15k 1.2%
$15k–$25k 4.1%
$25k–$35k 4.7%
$35k–$50k 8.3%
$50k–$75k 16.6%
$75k–$100k 11.9%
$100k–$150k 22.9%
$150k–$200k 11.1%
$200k+ 15.8%
Median income $98,657
Housing
Housing overview
Metric Value
Median home value $494,400
Median rent / month $1,882
Owner occupied 66.3%
Renter occupied 33.7%
Vacant 4.0%
Single-family detached 66.8%
Large apartment buildings 6.1%
Mobile homes 4.2%
Median rooms 5.9
Avg household size (owned) 2.88
Year built
Era %
2020 or later 0.5%
2010–2019 5.1%
2000–2009 12.4%
1990–1999 18.6%
1980–1989 22.9%
1970–1979 18.8%
1960–1969 16.2%
1950–1959 4.2%
1940–1949 0.3%
1939 or earlier 0.9%
Bedrooms
Size % of units
No bedroom (studio) 0.2%
1 bedroom 6.8%
2 bedrooms 21.0%
3 bedrooms 39.6%
4 bedrooms 25.7%
5+ bedrooms 6.7%
Vehicles per household
Vehicles % of households
No vehicle 4.1%
1 vehicle 26.1%
2 vehicles 38.1%
3 or more 31.7%
Heating fuel
Fuel type %
Utility gas 49.5%
Electricity 47.2%
Propane / LP gas 1.6%
Fuel oil 0.5%
Wood 0.5%
Solar 0.1%
No fuel used 0.5%
Households & families
Household type Count %
Married-couple family 7,001 51.1%
Cohabiting couple 1,268 9.3%
Male householder, no spouse 1,963 14.3%
Female householder, no spouse 3,464 25.3%
Households with children under 18 5,250 38.3%
Households with seniors (65+) 3,285 24.0%
Average household size 3.00
Marital status
Status Male Female
Never married 42.5% 31.8%
Married 48.9% 47.4%
Separated 0.8% 1.6%
Widowed 1.9% 7.7%
Divorced 5.9% 11.5%
Education
Some college, no degree
24.2%
Graduate / professional
7.6%
Metric %
HS diploma or higher 89.4%
Bachelor's or higher 29.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 596 5.8%
Kindergarten 771 7.5%
Elementary school 4,555 44.2%
High school 2,011 19.5%
College / grad school 2,377 23.1%
Employment
Industry of employment
Education & healthcare
21.9%
Professional & management
13.2%
Transportation & utilities
8.6%
Arts, food & hospitality
8.4%
Finance & real estate
4.2%
Public administration
3.6%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 34.4%
Service 19.6%
Sales & office 20.9%
Natural resources & construction 7.3%
Production & transportation 17.8%
Employment type
Type %
Private sector 80.1%
Government 12.8%
Self-employed 7.0%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 69.5%
Carpool 11.7%
Public transit 4.6%
Walk 1.4%
Work from home 11.6%
Other means 1.2%
Avg commute (minutes) 31.1
Poverty
Married-couple families
2.1%
Female-led households
24.7%
Income support
Source % of households
Social Security 21.9%
Retirement income 21.2%
Supplemental Security 5.1%
Cash public assistance 4.2%
Food stamps / SNAP 15.8%
Health indicators
Condition %
Obesity 23.0%
High blood pressure 27.8%
High cholesterol 29.4%
Diabetes 7.9%
Heart disease 4.4%
Stroke 2.5%
Asthma 9.8%
Arthritis 19.2%
Kidney disease 2.4%
Pulmonary disease 4.6%
Cancer 5.1%
Behavior / access %
Smoking 13.4%
Binge drinking 17.4%
No physical activity 17.6%
Less than 7 hrs sleep 30.0%
Depression 23.8%
Fair or poor health 12.6%
Poor mental health 14.3%
Poor physical health 9.1%
No health insurance 12.8%
Visited doctor (checkup) 67.9%
Visited dentist 65.6%
Cholesterol screening 87.0%
Teeth loss 10.0%
Veterans & disability
Veterans Count %
Civilian veterans 1,576 5.0%
Disability %
Any disability 9.4%
Under 18 5.4%
18–64 years 7.0%
65 and over 32.5%
Health insurance coverage
Type %
Private insurance 62.6%
Public insurance 37.0%
No insurance 7.6%
Uninsured under 19 3.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 39,008 93.7%
Spanish 7,435 19.1%
Other Indo-European 1,511 3.9%
Asian & Pacific Islander 1,983 5.1%
Other languages 3,358 8.6%
Place of birth & citizenship
Origin Count %
Native born (US) 28,521 68.5%
Born in same state 27,797 66.8%
Born in different state 18,347 44.1%
Foreign born 724 1.7%
Naturalized citizen 13,094 31.5%
Not a US citizen 7,145 54.6%
Ancestry
Ancestry Count %
French 2,678 6.4%
Italian 2,013 4.8%
Arab 930 2.2%
Polish 906 2.2%
English 442 1.1%
Ancestry Count %
Dutch 390 0.9%
German 95 0.2%
Norwegian 45 0.1%
Irish 41 0.1%
Technology access
Metric % of households
Computer access 32.9%
Internet access 98.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98031
What city is ZIP code 98031 in?
ZIP code 98031 is primarily assigned to Kent, Washington.
What county is ZIP code 98031 in?
ZIP code 98031 falls within King County, Washington.
What is the typical home value in ZIP code 98031?
The median home value in ZIP code 98031 is $494,400.
What is the population of ZIP code 98031?
ZIP code 98031 has an estimated population of 41,615 residents, with a density of 5,381 people per square mile.
What is the median household income in ZIP code 98031?
The median household income in ZIP code 98031 is $98,657, above the national median of ~$75,000.
What timezone is ZIP code 98031 in?
ZIP code 98031 observes the PST timezone.
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