Postal Codes

98178 ZIP Code

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ZIP code 98178 covers Seattle, Washington, with a population of about 25,929 and a median household income of $93,786.

Population
25,9295,290 per square mile
Median age
40.72 points above the US average
Median household income
$93,786about the Washington median
Poverty rate
11.6%0.8 points below the US average
Typical home value
$655,582up 6.1% in five years
Median rent
$1,8361.1× the Washington median
Degree or higher
36.3%1.3 points above the US average
Homeownership
64.8%about the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
306

Where 98178 is

Seattle, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population25,929
Median age40.7
Family households64.4%
Born outside the US30.8%
Speaks a language other than English at home36.4%
White (non-Hispanic)29.2%
Black (non-Hispanic)21.7%
Asian (non-Hispanic)31.5%
Hispanic or Latino8.5%
Veterans3.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$93,786
Income per person$50,180
Poverty rate11.6%
Households on SNAP or cash assistance16.4%

Household income distribution

Under $10k3.0%
$10–15k3.0%
$15–20k4.0%
$20–25k3.1%
$25–30k2.6%
$30–35k2.6%
$35–40k3.1%
$40–45k1.4%
$45–50k2.3%
$50–60k6.5%
$60–75k8.6%
$75–100k12.2%
$100–125k9.1%
$125–150k6.0%
$150–200k16.2%
$200k or more16.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed13,150
Mean adjusted gross income$85,425
Returns declaring $200,000 or more8%
Returns, under $25k21.8%
Returns, $25k–$50k22.0%
Returns, $50k–$75k17.5%
Returns, $75k–$100k11.5%
Returns, $100k–$200k19.2%
Returns, $200k or more8.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$628,200
Median gross rent$1,836
Rent as a share of household income34.4%
Owner-occupied64.8%
Vacant homes5.6%
Median year built1960

What the homes are

Detached house72.6%
Attached house3%
2 to 4 units4.5%
5 to 19 units9.7%
20 or more units9.4%
Mobile home0.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$655,582as of 2026-07
Typical home value, 1 yeardown 2%
Typical home value, 5 yearsup 6.1%
Typical home value, 10 yearsup 80.2%
Typical asking rent$1,992as of 2026-07
Typical asking rent, 1 yearup 3.9%
Typical home value since 2000
200020132026$699,311$203,986

$203,986 in 2000 to $655,582 in 2026.

Typical asking rent
202220242026$1,992$1,655

$1,655 in 2022 to $1,992 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.3%
Bachelor's degree or higher36.3%
High school diploma or higher86.2%
Works from home16.8%
Drives to work alone61.3%
Takes public transport9.4%
Commutes 45 minutes or more24.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity25.1% 8.3 pts below the national average of 33.4%
Diagnosed diabetes10.4% 1.6 pts below the national average of 12%
Currently smokes9.6% 3.6 pts below the national average of 13.2%
High blood pressure32% 2.1 pts below the national average of 34.1%
Fair or poor general health17.1% 3.2 pts below the national average of 20.3%
No health insurance (18–64)8.7% 2.6 pts below the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity18.9% 6.5 pts below the national average of 25.4%
Arthritis21.3% 3.8 pts below the national average of 25.1%
Binge drinking14.1% 1.9 pts below the national average of 16%
Taking blood pressure medication71% 3.7 pts below the national average of 74.7%
Cancer (non-skin)5.8% 1.9 pts below the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year71.7% 5 pts below the national average of 76.7%
Cholesterol screening85% 0.9 pts below the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening62.5% 1.8 pts below the national average of 64.3%
COPD4.4% 2.2 pts below the national average of 6.6%
Visited a dentist63.6% 2.3 pts above the national average of 61.3%
Any disability25.2% 5.5 pts below the national average of 30.7%
Hearing disability5% 1.7 pts below the national average of 6.7%
High cholesterol36.2% same as the national average of 36.2%
Independent living disability6.7% 1.7 pts below the national average of 8.4%
Mammography use76% same as the national average of 75.9%
Poor mental health (14+ days)15.7% 1.1 pts below the national average of 16.8%
Mobility disability10.2% 3.8 pts below the national average of 14%
Poor physical health (14+ days)11.6% 1.9 pts below the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Sleeps under 7 hours33.9% 2.5 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost10.4% 2.6 pts below the national average of 13%
Vision disability4.8% 0.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments306
People employed2,032
Annual payroll$117,530,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 72.1% of US census tracts
FEMA ratingRelatively Low to Very High across the 11 census tracts this ZIP code covers
Expected annual loss78 out of 100
Community resilience80.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake93.7Very High at its worst in this ZIP code
Volcanic activity91.5Relatively Low at its worst in this ZIP code
Landslide82.9Relatively Low at its worst in this ZIP code
River flooding54.2Very High at its worst in this ZIP code
Wildfire43.7Very Low at its worst in this ZIP code
Heat wave40.7Relatively Moderate at its worst in this ZIP code
Winter weather33.5Relatively Moderate at its worst in this ZIP code
Ice storm23.7Relatively Moderate at its worst in this ZIP code
Tsunami16.4Very Low at its worst in this ZIP code
Tornado14.5Very Low at its worst in this ZIP code
Lightning8.6Very Low at its worst in this ZIP code
Strong wind0.7Very Low at its worst in this ZIP code
Hail0.3Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$93,786$94,952$78,538
Income per person$50,180$51,493$43,289
Poverty rate11.6%9.9%12.4%
Median home value$628,200$519,800$303,400
Median gross rent$1,836$1,682$1,348
Homeownership64.8%63.9%65%
Bachelor's degree or higher36.3%38.8%35%
Unemployment rate6.3%5%5.2%
Works from home16.8%17.7%13.5%
Born outside the US30.8%15.1%13.9%
Median age40.738.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationRENTON MUNI AP, WA US1.6 km away
Rain in a year35 in

Average high and low by month

January48°F / 37.1°F4.93 in rain
February50.4°F / 36.9°F3.21 in rain
March54.7°F / 39.5°F3.74 in rain
April59.5°F / 43.1°F2.83 in rain
May66.3°F / 48.9°F1.86 in rain
June71°F / 53.6°F1.47 in rain
July77.2°F / 57.5°F0.6 in rain
August77.6°F / 57.4°F0.89 in rain
September71.6°F / 53.1°F1.53 in rain
October61°F / 46.4°F3.49 in rain
November52.4°F / 40.1°F5.61 in rain
December47°F / 36.6°F4.53 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket8% of this ZIP code's area
Far from a supermarket22% of this ZIP code's area
No vehicle and far from a supermarket40% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Renton School District62.6% of this ZIP code's land area
Seattle Public Schools28% of this ZIP code's land area
Tukwila School District9.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability66more vulnerable than 66% of US census tracts
Socioeconomic status62more vulnerable than 62% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status78more vulnerable than 78% of US census tracts
Housing type and transport64more vulnerable than 64% of US census tracts
Walkability12.2 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

98057 Renton, WA2.6 km away
98055 Renton, WA3.7 km away
98056 Renton, WA4.4 km away
98168 Seattle, WA4.9 km away
98188 Seattle, WA5.6 km away
98118 Seattle, WA6.2 km away
98158 Seattle, WA7.2 km away
98040 Mercer Island, WA7.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

King County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area4.9 sq mi
Water area1.04 sq mi
Population density5,290 people per sq mi
Latitude, longitude47.4924, -122.2359

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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