US ZIP Code
94404

San Mateo, CA

San Mateo County  ·  California

● Active
👥 35,950 Population ↓ 3% since 2019
💰 $182,417 Median HH Income
▲ 139% above avg ↑ 22% since 2019
🎂 40.1 Median Age
🏠 $1,682,700 Median Home Value
▲ 504% above avg ↑ 41% since 2019
🎓 79.3% College Grads
▲ 105% above avg
📊 4.5% Unemployment
≈ Avg ↑ 44% since 2019
ZIP Code Details
ZIP Code94404
CitySan Mateo
StateCalifornia (CA)
CountySan Mateo County
Area Code650
Elevation1 ft
Latitude37.555999
Longitude-122.267679
TimezoneLos Angeles (DST)
FIPS06081
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.4% (17,411) Female 51.6% (18,539) ♀

Race & Ethnicity

White: 32.4%Hispanic: 6.8%Black: 1.7%Asian: 52%Other: 6%Race
White32.4%
Hispanic6.8%
Black1.7%
Asian52.0%
Other6.0%

Age Breakdown

Under 5
6%
5–17
15%
18–24
5%
25–44
32%
45–64
24%
65+
7%

Key Indicators

Median Age40.1 yrs
Avg Household Size2.45
Below Poverty4.7% ▼ 54% below avg
College Grads79.3% ▲ 105% above avg
Unemployment4.5% ≈ Avg
No HS Diploma496 (2.1%)
HS Graduate1,709 (7.1%)
Some College951 (4%)
Associates1,811 (7.6%)
Bachelors1,441 (6%)
Graduate Degree17,530 (73.2%)

Education

No HS: 2.1%HS Grad: 7.1%Some College: 4%Associates: 7.6%Bachelors: 6%Graduate: 73.2%Edu
No HS2.1%
HS Grad7.1%
Some College4.0%
Associates7.6%
Bachelors6.0%
Graduate73.2%
Housing & Income

Housing Tenure

Owner: 51.1%Renter: 48.9%Tenure
Owner51.1%
Renter48.9%

Home Value Distribution

Under $50k
2%
$50k–100k
0%
$100k–150k
0%
$150k–200k
1%
$200k–300k
1%
$300k–500k
1%
Over $500k
95%

Financials

Median HH Income$182,417 ▲ 139% above avg ↑ 22% since 2019
Median Home Value$1,682,700 ▲ 504% above avg ↑ 41% since 2019
Home/Income Ratio9.2x (nat avg ~3.5x)
Median Rent$3,501/mo ↑ 9% since 2019
Total Units15,166
Vacant Units583
Avg HH Size2.45

Income Distribution

Under $25k
6%
$25k–50k
5%
$50k–75k
7%
$75k–100k
7%
$100k–150k
14%
$150k–200k
14%
Over $200k
47%
Employment & Commute

How People Get to Work

Drove Alone
61%
Public Transit
4%
Walked
2%
Work From Home
33%

Commute Time

Under 15 min
21%
15–30 min
31%
30–45 min
25%
Over 45 min
24%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
15%
1960s–1970s
31%
1980s–1990s
3%
2000+
51%

Summary

Total Units15,166
Vacant583
Owner Occupied51.1%
Renter Occupied48.9%
Avg HH Size2.45
Frequently Asked Questions
ZIP code 94404 is in San Mateo, CA, in San Mateo County.
ZIP code 94404 is located in California (CA).
ZIP code 94404 is in San Mateo County, CA.
ZIP 94404 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 94404 is 35,950 people (ACS 2023).
The median household income in ZIP code 94404 is $182,417 (ACS 2023).
The median home value in ZIP 94404 is $1,682,700 (ACS 2023).
About ZIP Code 94404

ZIP code 94404 is located in San Mateo, California, within San Mateo County. With a population of 35,950, this is a highly populated ZIP code with a middle-aged community — the median age is 40.1 years. Economically, 94404 is a affluent ZIP code: the median household income of $182,417 is more than double the national average.

Real estate in ZIP code 94404 represents among the most expensive housing markets in the country. The median home value of $1,682,700 is more than double the national average. Renters can expect to pay around $3,501 per month in median rent. The area has a relatively balanced mix of owners (51.1%) and renters (48.9%). Median home values have increased by 41% since 2019.

The population of 94404 is majority Asian (52.04%). Residents are highly educated — 79.3% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 4.7%. Household income has grown by 22% since 2019.

The unemployment rate in 94404 stands at 4.5%, which is near the national average. A notably high share of workers — 30% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 55%.

Overall, ZIP code 94404 in San Mateo, CA is characterized as affluent, highly educated, and a middle-aged community. With 35,950 residents, a median household income of $182,417, and a median home value of $1,682,700, it offers a clear picture of life in this part of California.