98275 ZIP Code — Mukilteo, WA

Snohomish County, Washington

ZIP code 98275 is located in Mukilteo, Washington, within Snohomish County. It covers approximately 7.31 square miles and serves a population of 21,365 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 425.

About ZIP code 98275

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $760,700. Owner-occupancy sits near the national average at 70%.

The gap between median ($123,036) 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. 30% of households receive Social Security income, suggesting a notable retiree or disability population.

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 — 24% of workers work from home.

Educational attainment is high — 54% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 98275 reflects a community defined by a highly educated population, a high rate of remote workers, and a significant Social Security-dependent population.

21,365
population
7.31
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98275 ZIP code map
Cities in ZIP code 98275

Below are the cities the US Postal Service accepts for ZIP code 98275. Using any city not on this list may result in mail delivery delays.

City Status
Mukilteo Preferred
Nearby ZIP codes
98204 Everett (2.2 mi) 98087 Lynnwood (3.7 mi) 98203 Everett (3.7 mi) 98208 Everett (5.1 mi) 98037 Lynnwood (5.2 mi) 98026 Edmonds (5.5 mi) 98236 Clinton (6.1 mi) 98207 Everett (6.6 mi) 98012 Bothell (6.8 mi) 98201 Everett (7.2 mi) 98036 Lynnwood (7.5 mi) 98020 Edmonds (8.1 mi)
Demographics updated 05/2026
Population
Total population 21,365
Population density 2,923 / sq mi
State FIPS 53
County FIPS 061
Geography
Land area 7.31 sq mi
Water area 1.18 sq mi
Latitude 47.9131
Longitude -122.3038
Timezone Pacific (PT)
Area code 425
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 18.2% 24.8% 31.7%
$50k – $100k 30.5% 31.3% 30.6%
$100k – $200k 27.8% 32.6% 27.1%
Over $200k 23.5% 11.2% 10.6%

Demographics & statistics

21,365
Population
2,923
People per sq mi
43.6
Median age
$123,036
Median household income
$62,514
Per capita income
$760,700
Median home value
$1,999
Median monthly rent
69.8%
Home ownership
5.6%
Poverty rate
2.5%
Unemployment
6,047
Housing units
54.1%
Bachelor's or higher

Age distribution

Male Female
635
Under 5
642
583
5–9
589
672
10–14
679
660
15–19
667
633
20–24
640
836
25–34
844
1,580
35–44
1,595
1,395
45–54
1,409
779
55–59
786
1,014
60–64
1,024
1,163
65–74
1,175
463
75–84
467
216
85+
219
← Male
Female →

Age summary

GroupCount%
Under 184,64621.7%
18 and over16,71978.3%
65 and over3,70317.3%
Median age43.6 years

Race & ethnicity

White 62%
Asian 19.6%
Two or more races 10%
Hispanic or Latino 3.8%
Other race 2.7%
Black or African American 1.3%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.2%
GroupCount%
White13,77362%
Asian4,35219.6%
Two or more races2,22910%
Hispanic or Latino8333.8%
Other race5972.7%
Black or African American2971.3%
Native Hawaiian / Pacific Islander640.3%
American Indian / Alaska Native530.2%

Household income

Income range This ZIP County avg State avg
Under $50k 18.2% 24.8% 31.7%
$50k – $100k 30.5% 31.3% 30.6%
$100k – $200k 27.8% 32.6% 27.1%
Over $200k 23.5% 11.2% 10.6%
Under $10k 2.3%
$10k–$15k 0.6%
$15k–$25k 4.5%
$25k–$35k 5.1%
$35k–$50k 3.8%
$50k–$75k 13.3%
$75k–$100k 8.1%
$100k–$150k 21.3%
$150k–$200k 10.8%
$200k+ 30.1%
Range% of households
Under $10k2.3%
$10k–$15k0.6%
$15k–$25k4.5%
$25k–$35k5.1%
$35k–$50k3.8%
$50k–$75k13.3%
$75k–$100k8.1%
$100k–$150k21.3%
$150k–$200k10.8%
$200k+30.1%
Median income$123,036

Housing

Home values

Under $50k 1.2%
$50k–$100k 0.4%
$100k–$150k 0.7%
$150k–$200k 0.6%
$200k–$300k 3.1%
$300k–$500k 11.9%
$500k–$1M 57.7%
$1M+ 24.3%

Housing overview

MetricValue
Median home value$760,700
Median rent / month$1,999
Owner occupied69.8%
Renter occupied30.2%
Vacant3.3%
Single-family detached61.0%
Large apartment buildings12.5%
Mobile homes0.4%
Median rooms6.2
Avg household size (owned)2.68

Year built

Era%
2020 or later0.1%
2010–20194.1%
2000–200919.0%
1990–199928.8%
1980–198926.1%
1970–197914.5%
1960–19694.6%
1950–19591.3%
1940–19490.6%
1939 or earlier0.8%

Bedrooms

Size% of units
No bedroom (studio)1.4%
1 bedroom10.4%
2 bedrooms25.7%
3 bedrooms30.2%
4 bedrooms21.9%
5+ bedrooms10.4%

Vehicles per household

Vehicles% of households
No vehicle2.2%
1 vehicle27.8%
2 vehicles44.5%
3 or more25.5%

Heating fuel

Fuel type%
Utility gas57.8%
Electricity40.4%
Propane / LP gas1.6%

Households & families

Household typeCount%
Married-couple family4,78157.9%
Cohabiting couple4905.9%
Male householder, no spouse1,14213.8%
Female householder, no spouse1,84022.3%
Households with children under 182,53430.7%
Households with seniors (65+)2,74633.3%
Average household size2.58

Marital status

StatusMaleFemale
Never married29.8%21.1%
Married59.9%54.6%
Separated0.6%2.2%
Widowed2.9%6.3%
Divorced6.8%15.7%

Education

Less than 9th grade 0.5%
Some HS, no diploma 1.3%
HS graduate 15.6%
Some college, no degree 18.1%
Associate's degree 10.4%
Bachelor's degree 31.8%
Graduate / professional 22.3%
Metric%
HS diploma or higher98.2%
Bachelor's or higher54.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2394.6%
Kindergarten3586.9%
Elementary school2,05639.6%
High school1,05820.4%
College / grad school1,47728.5%

Employment

Industry of employment

Education & healthcare 20.2%
Manufacturing 17.6%
Professional & management 16.9%
Retail trade 13.3%
Finance & real estate 6.3%
Construction 5.2%
Transportation & utilities 4.6%
Arts, food & hospitality 4.4%
Public administration 4.0%
Other services 3.6%
Wholesale trade 1.7%
Information 1.6%
Agriculture & mining 0.4%

Occupation

Category%
Management, business & arts53.6%
Service10.3%
Sales & office21.3%
Natural resources & construction4.9%
Production & transportation9.8%

Employment type

Type%
Private sector78.9%
Government14.6%
Self-employed6.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone59.5%
Carpool11.1%
Public transit3.6%
Walk0.6%
Work from home23.6%
Other means1.6%
Avg commute (minutes)28.3

Poverty

All people 5.6%
Under 18 years 9.0%
18 and over 4.7%
Married-couple families 2.2%
Female-led households 19.0%

Income support

Source% of households
Social Security30.1%
Retirement income26.2%
Supplemental Security4.2%
Cash public assistance2.5%
Food stamps / SNAP3.4%

Health indicators

Condition%
Obesity28.4%
High blood pressure26.7%
High cholesterol29.8%
Diabetes7.6%
Heart disease4.4%
Stroke2.1%
Asthma10.0%
Arthritis23.2%
Kidney disease2.2%
Pulmonary disease4.2%
Cancer6.2%
Behavior / access%
Smoking11.3%
Binge drinking15.6%
No physical activity16.4%
Less than 7 hrs sleep31.9%
Depression24.0%
Fair or poor health10.1%
Poor mental health13.3%
Poor physical health8.3%
No health insurance8.3%
Visited doctor (checkup)69.8%
Visited dentist72.3%
Cholesterol screening90.2%
Teeth loss6.9%

Veterans & disability

VeteransCount%
Civilian veterans1,4558.7%
Disability%
Any disability9.8%
Under 183.7%
18–64 years7.4%
65 and over25.9%

Health insurance coverage

Type%
Private insurance82.7%
Public insurance23.2%
No insurance4.5%
Uninsured under 194.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only20,08894.0%
Spanish2,11310.5%
Other Indo-European1150.6%
Asian & Pacific Islander2861.4%
Other languages1,6808.4%

Place of birth & citizenship

OriginCount%
Native born (US)16,84178.8%
Born in same state16,32176.4%
Born in different state8,81741.3%
Foreign born5202.4%
Naturalized citizen4,52421.2%
Not a US citizen3,14169.4%

Ancestry

AncestryCount%
French2,82513.2%
Italian2,55412%
Polish1,7778.3%
Arab5662.6%
English3191.5%
AncestryCount%
German1970.9%
Dutch1430.7%
Irish400.2%
Norwegian110.1%

Technology access

Metric% of households
Computer access38.6%
Internet access98.8%

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

Frequently asked questions about ZIP code 98275

What city is ZIP code 98275 in?

ZIP code 98275 is primarily assigned to Mukilteo, Washington.

What county is ZIP code 98275 in?

ZIP code 98275 falls within Snohomish County, Washington.

How educated is the population of ZIP code 98275?

54% 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 98275?

The median household income in ZIP code 98275 is $123,036, above the national median of ~$75,000.

What is the typical home value in ZIP code 98275?

The median home value in ZIP code 98275 is $760,700.

What is the population of ZIP code 98275?

ZIP code 98275 has an estimated population of 21,365 residents, with a density of 2,922 people per square mile.

What timezone is ZIP code 98275 in?

ZIP code 98275 observes the PST timezone.

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