94404 vs 94401 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94404, Orange = ZIP 94401.
Quick verdict: ZIP 94404 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 94401 is more affordable rent, lower unemployment, more diverse.
Quick Facts
ZIP 94404
Foster City city, CA
View full profile →- Population35,950
- Median Income$182,417
- Median Home Value$1683k
- Median Rent$3,501
- Median Age40.1 yrs
- Poverty Rate4.7%
ZIP 94401
San Mateo city, CA
View full profile →- Population35,628
- Median Income$121,258
- Median Home Value$1123k
- Median Rent$2,590
- Median Age35.9 yrs
- Poverty Rate10.9%
Visual comparison (same scale)
Population
35,95035,628
Median Income
$182,417$121,258
Median Home Value
$1683k$1123k
Median Rent
$3,501$2,590
Median Age
40.1 yrs35.9 yrs
Poverty Rate
4.7%10.9%
Demographics
ZIP 94404
Foster City city, CA
View full profile →- White %34.7%
- Black %1.7%
- Asian %52.1%
- Hispanic %6.8%
- Age 0–17 %21.5%
- Age 18–64 %60.5%
- Age 65+ %18.1%
- Bachelor's+ %74.5%
- Diversity Index60/100
ZIP 94401
San Mateo city, CA
View full profile →- White %32.4%
- Black %1.2%
- Asian %24.8%
- Hispanic %37.8%
- Age 0–17 %18.9%
- Age 18–64 %65.0%
- Age 65+ %16.1%
- Bachelor's+ %45.3%
- Diversity Index69/100
Visual comparison (same scale)
White %
34.7%32.4%
Black %
1.7%1.2%
Asian %
52.1%24.8%
Hispanic %
6.8%37.8%
Age 0–17 %
21.5%18.9%
Age 18–64 %
60.5%65.0%
Age 65+ %
18.1%16.1%
Bachelor's+ %
74.5%45.3%
Diversity Index
60/10069/100
Economy
ZIP 94404
Foster City city, CA
View full profile →- Median Income$182,417
- Unemployment %4.5%
- IRS Net Migration+1,769
- Work From Home %29.8%
ZIP 94401
San Mateo city, CA
View full profile →- Median Income$121,258
- Unemployment %3.6%
- IRS Net Migration+1,753
- Work From Home %18.8%
Visual comparison (same scale)
Median Income
$182,417$121,258
Unemployment %
4.5%3.6%
IRS Net Migration
+1,769+1,753
Work From Home %
29.8%18.8%
Housing
ZIP 94404
Foster City city, CA
View full profile →- Median Home Value$1683k
- Median Rent$3,501
- Owner Occupied %51.1%
- Broadband %97.7%
- Vacant %3.8%
- Median Year Built1977
ZIP 94401
San Mateo city, CA
View full profile →- Median Home Value$1123k
- Median Rent$2,590
- Owner Occupied %44.4%
- Broadband %94.4%
- Vacant %5.2%
- Median Year Built1964
Visual comparison (same scale)
Median Home Value
$1683k$1123k
Median Rent
$3,501$2,590
Owner Occupied %
51.1%44.4%
Broadband %
97.7%94.4%
Vacant %
3.8%5.2%
Median Year Built
19771964
Climate & Location
ZIP 94404
Foster City city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)31 ft
- Nearest Airport3.1 miles (5.0 km)
- Distance to Coast0.8 miles (1.4 km)
ZIP 94401
San Mateo city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)8 ft
- Nearest Airport4.3 miles (7.0 km)
- Distance to Coast1.1 miles (1.8 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
31 ft8 ft
Nearest Airport
3.1 miles (5.0 km)4.3 miles (7.0 km)
Distance to Coast
0.8 miles (1.4 km)1.1 miles (1.8 km)
Infrastructure
ZIP 94404
Foster City city, CA
View full profile →- Work From Home %29.8%
- Walkability (0–100)55
- Broadband %97.7%
ZIP 94401
San Mateo city, CA
View full profile →- Work From Home %18.8%
- Walkability (0–100)56
- Broadband %94.4%
Visual comparison (same scale)
Work From Home %
29.8%18.8%
Walkability (0–100)
5556
Broadband %
97.7%94.4%
Frequently Asked Questions
How do ZIP 94404 and 94401 compare?
ZIP 94404 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 94401 is more affordable rent, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (94404), orange the second (94401). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
Continue exploring