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.

41,615
population
7.73
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98031 ZIP code map
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
98055 Renton (2.6 mi) 98032 Kent (3.4 mi) 98030 Kent (3.6 mi) 98058 Renton (4.1 mi) 98057 Renton (4.2 mi) 98188 Seattle (4.4 mi) 98042 Kent (5.6 mi) 98158 Seattle (5.6 mi) 98198 Seattle (5.7 mi) 98148 Seattle (6.2 mi) 98178 Seattle (6.2 mi) 98056 Renton (6.6 mi)
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
Total population by age
Gender
Race & ethnicity
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

41,615
Population
5,384
People per sq mi
35.6
Median age
$98,657
Median household income
$42,893
Per capita income
$494,400
Median home value
$1,882
Median monthly rent
66.3%
Home ownership
9.1%
Poverty rate
7.6%
Unemployment
9,651
Housing units
29.9%
Bachelor's or higher

Age distribution

Male Female
1,346
Under 5
1,261
1,592
5–9
1,493
1,477
10–14
1,384
1,239
15–19
1,161
1,395
20–24
1,307
3,469
25–34
3,251
3,088
35–44
2,895
2,648
45–54
2,482
1,442
55–59
1,351
1,371
60–64
1,285
1,506
65–74
1,412
656
75–84
615
252
85+
237
← Male
Female →

Age summary

GroupCount%
Under 1810,00124.0%
18 and over31,61476.0%
65 and over4,67811.2%
Median age35.6 years

Race & ethnicity

White 34.6%
Asian 24.9%
Black or African American 11.2%
Two or more races 10.9%
Hispanic or Latino 9.9%
Other race 6.9%
American Indian / Alaska Native 1%
Native Hawaiian / Pacific Islander 0.6%
GroupCount%
White15,99834.6%
Asian11,51324.9%
Black or African American5,15311.2%
Two or more races5,01510.9%
Hispanic or Latino4,5789.9%
Other race3,2106.9%
American Indian / Alaska Native4441%
Native Hawaiian / Pacific Islander2820.6%

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%
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%
Range% of households
Under $10k3.4%
$10k–$15k1.2%
$15k–$25k4.1%
$25k–$35k4.7%
$35k–$50k8.3%
$50k–$75k16.6%
$75k–$100k11.9%
$100k–$150k22.9%
$150k–$200k11.1%
$200k+15.8%
Median income$98,657

Housing

Home values

Under $50k 1.4%
$50k–$100k 2.1%
$100k–$150k 1.7%
$150k–$200k 2.1%
$200k–$300k 6.4%
$300k–$500k 37.9%
$500k–$1M 47.4%
$1M+ 1.2%

Housing overview

MetricValue
Median home value$494,400
Median rent / month$1,882
Owner occupied66.3%
Renter occupied33.7%
Vacant4.0%
Single-family detached66.8%
Large apartment buildings6.1%
Mobile homes4.2%
Median rooms5.9
Avg household size (owned)2.88

Year built

Era%
2020 or later0.5%
2010–20195.1%
2000–200912.4%
1990–199918.6%
1980–198922.9%
1970–197918.8%
1960–196916.2%
1950–19594.2%
1940–19490.3%
1939 or earlier0.9%

Bedrooms

Size% of units
No bedroom (studio)0.2%
1 bedroom6.8%
2 bedrooms21.0%
3 bedrooms39.6%
4 bedrooms25.7%
5+ bedrooms6.7%

Vehicles per household

Vehicles% of households
No vehicle4.1%
1 vehicle26.1%
2 vehicles38.1%
3 or more31.7%

Heating fuel

Fuel type%
Utility gas49.5%
Electricity47.2%
Propane / LP gas1.6%
Fuel oil0.5%
Wood0.5%
Solar0.1%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family7,00151.1%
Cohabiting couple1,2689.3%
Male householder, no spouse1,96314.3%
Female householder, no spouse3,46425.3%
Households with children under 185,25038.3%
Households with seniors (65+)3,28524.0%
Average household size3.00

Marital status

StatusMaleFemale
Never married42.5%31.8%
Married48.9%47.4%
Separated0.8%1.6%
Widowed1.9%7.7%
Divorced5.9%11.5%

Education

Less than 9th grade 5.0%
Some HS, no diploma 5.6%
HS graduate 24.3%
Some college, no degree 24.2%
Associate's degree 10.9%
Bachelor's degree 22.3%
Graduate / professional 7.6%
Metric%
HS diploma or higher89.4%
Bachelor's or higher29.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5965.8%
Kindergarten7717.5%
Elementary school4,55544.2%
High school2,01119.5%
College / grad school2,37723.1%

Employment

Industry of employment

Education & healthcare 21.9%
Professional & management 13.2%
Retail trade 11.6%
Manufacturing 11.0%
Transportation & utilities 8.6%
Arts, food & hospitality 8.4%
Construction 7.4%
Other services 5.0%
Finance & real estate 4.2%
Public administration 3.6%
Wholesale trade 3.1%
Information 1.7%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts34.4%
Service19.6%
Sales & office20.9%
Natural resources & construction7.3%
Production & transportation17.8%

Employment type

Type%
Private sector80.1%
Government12.8%
Self-employed7.0%
Unpaid family workers0.1%

Commute

Method%
Drive alone69.5%
Carpool11.7%
Public transit4.6%
Walk1.4%
Work from home11.6%
Other means1.2%
Avg commute (minutes)31.1

Poverty

All people 9.1%
Under 18 years 14.0%
18 and over 7.6%
Married-couple families 2.1%
Female-led households 24.7%

Income support

Source% of households
Social Security21.9%
Retirement income21.2%
Supplemental Security5.1%
Cash public assistance4.2%
Food stamps / SNAP15.8%

Health indicators

Condition%
Obesity23.0%
High blood pressure27.8%
High cholesterol29.4%
Diabetes7.9%
Heart disease4.4%
Stroke2.5%
Asthma9.8%
Arthritis19.2%
Kidney disease2.4%
Pulmonary disease4.6%
Cancer5.1%
Behavior / access%
Smoking13.4%
Binge drinking17.4%
No physical activity17.6%
Less than 7 hrs sleep30.0%
Depression23.8%
Fair or poor health12.6%
Poor mental health14.3%
Poor physical health9.1%
No health insurance12.8%
Visited doctor (checkup)67.9%
Visited dentist65.6%
Cholesterol screening87.0%
Teeth loss10.0%

Veterans & disability

VeteransCount%
Civilian veterans1,5765.0%
Disability%
Any disability9.4%
Under 185.4%
18–64 years7.0%
65 and over32.5%

Health insurance coverage

Type%
Private insurance62.6%
Public insurance37.0%
No insurance7.6%
Uninsured under 193.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,00893.7%
Spanish7,43519.1%
Other Indo-European1,5113.9%
Asian & Pacific Islander1,9835.1%
Other languages3,3588.6%

Place of birth & citizenship

OriginCount%
Native born (US)28,52168.5%
Born in same state27,79766.8%
Born in different state18,34744.1%
Foreign born7241.7%
Naturalized citizen13,09431.5%
Not a US citizen7,14554.6%

Ancestry

AncestryCount%
French2,6786.4%
Italian2,0134.8%
Arab9302.2%
Polish9062.2%
English4421.1%
AncestryCount%
Dutch3900.9%
German950.2%
Norwegian450.1%
Irish410.1%

Technology access

Metric% of households
Computer access32.9%
Internet access98.1%

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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