San Mateo
Source:
California
San Mateo is a major-metro county in California with 30 ZIP codes, 735,866 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, San Mateo, CA sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 1%
- household income vs 3,210 US counties
- 735,866
- combined ZIP population
- 30
- USPS ZIP codes covered
- $181,266
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
San Mateo lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 06081, 30 ZIPs, combined population 735,866). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 94080 (South San Francisco) with 63,975 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 06081, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
30
Total ZIPs
735,866
Total Population
ZIP Codes in San Mateo
Side-by-side: Compare 94080 vs 94015 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 94080 | South San Francisco | 63,975 | 2,388 |
| 94015 | Daly City | 60,927 | 4,091 |
| 94014 | Daly City | 47,014 | 2,881 |
| 94303 | Palo Alto | 45,467 | 2,204 |
| 94066 | San Bruno | 41,130 | 2,592 |
| 94010 | Burlingame | 40,737 | 1,328 |
| 94025 | Menlo Park | 40,526 | 1,307 |
| 94403 | San Mateo | 39,642 | 2,718 |
| 94044 | Pacifica | 37,296 | 981 |
| 94061 | Redwood City | 36,245 | 3,625 |
| 94401 | San Mateo | 34,429 | 4,168 |
| 94404 | San Mateo | 33,749 | 3,031 |
| 94063 | Redwood City | 30,949 | 1,806 |
| 94070 | San Carlos | 29,166 | 1,836 |
| 94002 | Belmont | 25,992 | 1,773 |
| 94062 | Redwood City | 25,876 | 141 |
| 94402 | San Mateo | 23,981 | 1,904 |
| 94030 | Millbrae | 21,536 | 2,454 |
| 94019 | Half Moon Bay | 18,424 | 135 |
| 94065 | Redwood City | 11,359 | 1,922 |
| 94027 | Atherton | 7,089 | 527 |
| 94028 | Portola Valley | 6,534 | 166 |
| 94005 | Brisbane | 4,282 | 376 |
| 94038 | Moss Beach | 3,040 | 745 |
| 94037 | Montara | 2,913 | 195 |
| 94020 | La Honda | 1,559 | 11 |
| 94060 | Pescadero | 1,554 | 8 |
| 94074 | San Gregorio | 214 | 5 |
| 94021 | Loma Mar | 192 | 16 |
| 94128 | San Francisco | 69 | 8 |
Frequently Asked Questions
What is the population of San Mateo?
San Mateo has a total population of 735,866 across 30 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in San Mateo?
San Mateo includes 30 ZIP codes: 94080, 94015, 94014, 94303, 94066, 94010, 94025, 94403, 94044, 94061, and more.