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ZIP Code 94404
Foster City, CA, San Mateo County
Population
35,881
Land area
4.3sq mi
People per sq mi
8,249
City
Foster City
ZIP 94404 and nearby ZIP codes
ZIP 94404 at a glance
- ZIP 94404 (Foster City) is about 33 times as dense as California as a whole.
- Households here earn a median of $192,332 a year, 94% more than the California figure of $99,122.
- A typical owner-occupied home is valued at $1,714,400 (about 2.3 times the California figure) and median rent is more than $3,500 a month.
Local data for ZIP 94404
Counts from official public data
Housing and community stats
ZIP 94404, American Community Survey 2020-2024
Median household income
$192,332
Poverty rate
4.3%
Median home value
$1,714,400
Prices -3.3% in a year
Median rent
$3,500+/mo
Homeownership
51.2%
Bachelor's or higher
74.3%
Median age
39.8
Average commute
29.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
911
ZIP Business Patterns 2023
Employees
26,284
$5.9B annual payroll
PPP loans
$155M
892 loans
Campaign donations
$1.3M
11% D, 13% R, 2026 cycle
Environment and hazard risk
ZIP 94404, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: earthquake
Storm events since 1996
690
Countywide, mostly strong wind
Flood insurance policies
3,346
1.8% of homes, county
July high / Jan low
81° / 41°F
19.0 inches of rain a year
Health statistics
Share of adults in ZIP 94404, CDC PLACES estimates
Obesity
18.0%
U.S. 33.3% -15.3 pts
Diabetes
8.7%
U.S. 12.1% -3.4 pts
Smoking
5.8%
U.S. 12.8% -7.0 pts
Uninsured (18-64)
3.7%
U.S. 11.1% -7.4 pts
Frequently asked questions
- What city is ZIP code 94404?
- ZIP code 94404 is in Foster City, CA (San Mateo County).
- What county is ZIP code 94404 in?
- ZIP code 94404 is mostly in San Mateo County, California.
- How many people live in ZIP code 94404?
- About 35,881 people live in the 94404 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.