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ZIP Code 98240
Custer, WA, Whatcom County
Population
3,593
Land area
22.3sq mi
People per sq mi
161
City
Custer
ZIP 98240 and nearby ZIP codes
ZIP 98240 at a glance
- ZIP 98240 (Custer) is 37% denser than Washington as a whole.
- Households here earn a median of $110,116 a year, 12% more than the Washington figure of $98,141.
- A typical owner-occupied home is valued at $619,700 (10% above Washington).
Local data for ZIP 98240
Counts from official public data
Housing and community stats
ZIP 98240, American Community Survey 2020-2024
Median household income
$110,116
Poverty rate
4.3%
Median home value
$619,700
Prices -18.0% in a year
Homeownership
93.0%
Bachelor's or higher
23.6%
Median age
36.9
Average commute
19.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
71
ZIP Business Patterns 2023
Employees
381
$17.7M annual payroll
PPP loans
$3.6M
70 loans
Campaign donations
$15.3K
8% D, 27% R, 2026 cycle
Environment and hazard risk
ZIP 98240, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: avalanche
Storm events since 1996
21
Countywide, mostly heavy rain
Flood insurance policies
1,497
1.9% of homes, county
July high / Jan low
73° / 34°F
41.8 inches of rain a year
Health statistics
Share of adults in ZIP 98240, CDC PLACES estimates
Obesity
26.2%
U.S. 33.3% -7.1 pts
Diabetes
8.8%
U.S. 12.1% -3.3 pts
Smoking
10.5%
U.S. 12.8% -2.3 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Frequently asked questions
- What city is ZIP code 98240?
- ZIP code 98240 is in Custer, WA (Whatcom County).
- What county is ZIP code 98240 in?
- ZIP code 98240 is mostly in Whatcom County, Washington.
- How many people live in ZIP code 98240?
- About 3,593 people live in the 98240 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.