| ZIP Code | 94403 |
|---|---|
| City | San Mateo |
| State | California (CA) |
| County | San Mateo County |
| Area Code | 650 |
| Elevation | 27 ft |
| Latitude | 37.538449 |
|---|---|
| Longitude | -122.305447 |
| Timezone | Los Angeles (DST) |
| FIPS | 06081 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.5 yrs |
|---|---|
| Avg Household Size | 2.60 |
| Below Poverty | 6.3% ▼ 37% below avg |
| College Grads | 68.2% ▲ 76% above avg |
| Unemployment | 5.3% ▲ 8% above avg |
| No HS Diploma | 652 (2.2%) |
| HS Graduate | 3,673 (12.5%) |
| Some College | 1,983 (6.8%) |
| Associates | 2,991 (10.2%) |
| Bachelors | 2,095 (7.2%) |
| Graduate Degree | 17,888 (61.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $179,825 ▲ 136% above avg ↑ 33% since 2019 |
|---|---|
| Median Home Value | $1,725,900 ▲ 519% above avg ↑ 44% since 2019 |
| Home/Income Ratio | 9.6x (nat avg ~3.5x) |
| Median Rent | $3,273/mo ↑ 23% since 2019 |
| Total Units | 17,682 |
| Vacant Units | 1,310 |
| Avg HH Size | 2.60 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 17,682 |
|---|---|
| Vacant | 1,310 |
| Owner Occupied | 54.0% |
| Renter Occupied | 46.0% |
| Avg HH Size | 2.60 |
ZIP code 94403 is located in San Mateo, California, within San Mateo County. With a population of 43,459, this is a highly populated ZIP code with a middle-aged community — the median age is 38.5 years. Economically, 94403 is a affluent ZIP code: the median household income of $179,825 is more than double the national average.
Real estate in ZIP code 94403 represents among the most expensive housing markets in the country. The median home value of $1,725,900 is more than double the national average. Renters can expect to pay around $3,273 per month in median rent. The area has a relatively balanced mix of owners (54.0%) and renters (46.0%). Median home values have increased by 44% since 2019.
The population of 94403 is racially diverse, with White as the largest group at 39.3%. Residents are highly educated — 68.2% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.3%. Household income has grown by 33% since 2019.
The unemployment rate in 94403 stands at 5.3%, which is near the national average. About 22% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 58%.
Overall, ZIP code 94403 in San Mateo, CA is characterized as affluent, highly educated, and a middle-aged community. With 43,459 residents, a median household income of $179,825, and a median home value of $1,725,900, it offers a clear picture of life in this part of California.