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ZIP Code 98178
Bryn Mawr-Skyway, WA, King County
Population
26,748
Land area
4.9sq mi
People per sq mi
5,457
City
Bryn Mawr-Skyway
ZIP 98178 and nearby ZIP codes
ZIP 98178 at a glance
- ZIP 98178 (Bryn Mawr-Skyway) is about 46 times as dense as Washington as a whole.
- The median household income is $99,505, close to the Washington median.
- A typical owner-occupied home is valued at $660,400 (17% above Washington) and median rent is $1,869 a month.
Local data for ZIP 98178
Counts from official public data
Housing and community stats
ZIP 98178, American Community Survey 2020-2024
Median household income
$99,505
Poverty rate
9.9%
Median home value
$660,400
Prices +0.2% in a year
Median rent
$1,869/mo
Homeownership
66.7%
Bachelor's or higher
36.1%
Median age
39.7
Average commute
30.6 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
311
ZIP Business Patterns 2023
Employees
1,850
$122M annual payroll
PPP loans
$19M
638 loans
Campaign donations
$96.6K
43% D, 11% R, 2026 cycle
Environment and hazard risk
ZIP 98178, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
75
Countywide, mostly lightning
Flood insurance policies
4,529
0.8% of homes, county
July high / Jan low
77° / 37°F
34.7 inches of rain a year
Health statistics
Share of adults in ZIP 98178, CDC PLACES estimates
Obesity
25.1%
U.S. 33.3% -8.2 pts
Diabetes
10.4%
U.S. 12.1% -1.7 pts
Smoking
9.6%
U.S. 12.8% -3.2 pts
Uninsured (18-64)
8.7%
U.S. 11.1% -2.4 pts
Frequently asked questions
- What city is ZIP code 98178?
- ZIP code 98178 is in Bryn Mawr-Skyway, WA (King County).
- What county is ZIP code 98178 in?
- ZIP code 98178 is mostly in King County, Washington.
- How many people live in ZIP code 98178?
- About 26,748 people live in the 98178 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.