Palo Alto, CA ZIP Codes
6 ZIP codes serve Palo Alto, California: 94303, 94306, 94022, 94301, 94028 and 94304. Together they are home to 123,128 residents in 44,403 households. That is more than the 67,237 people counted inside Palo Alto city limits, because these ZIP codes reach past its boundary. Median household income ranges from $151,609 in 94303 to $250,000+ in 94022.
Palo Alto city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 67,237 |
| Households | 26,021 |
| Median household income | $231,101 |
| Median home value | $2,000,001 |
| Median age | 43.6 |
| Median rent | $3,484 |
All 6 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 123,128 |
| Households (sum of ZIP codes) | 44,403 |
| Median household income, range across ZIP codes | $151,609 (94303) to $250,000+ (94022) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $202,282 |
| Homeowners | 59.4% |
| Households with kids under 18 | 32.0% |
| Moved in the past year | 12.3% |
| Carrier routes in EDDM2GO's route library | 117 routes, 47,129 homes (6 of 6 ZIP codes) |
Top facts
- Highest median household income in Palo Alto: 94022 ($250,000+)
- Most residents: 94303 (46,879 people)
- Highest homeownership: 94028 (81.9% own their home)
- Most households with kids: 94303 (37.4% of households)
- Most new movers: 94304 (25.1% moved in last year)
- Youngest median age: 94304 (38.6 years)
- Highest median home value: 94306 ($2,000,000+)
Every ZIP code in Palo Alto
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 94303 | Palo Alto | 46,879 | 14,466 | $151,609 | $1,826,200 | 57.8% | 37.4% | 11.5% | 34 | 15,331 | 61% of its land; mailing city |
| 94306 | Palo Alto | 27,183 | 10,640 | $210,000 | $2,000,000+ | 52.6% | 30.5% | 12.0% | 27 | 12,902 | 100% of its land; mailing city |
| 94022 | Los Altos | 20,027 | 7,275 | $250,000+ | $2,000,000+ | 81.7% | 33.1% | 11.7% | 20 | 8,765 | 27% of its land |
| 94301 | Palo Alto | 17,508 | 7,167 | $242,006 | $2,000,000+ | 53.0% | 29.5% | 14.0% | 24 | 9,021 | 100% of its land; mailing city |
| 94028 | Portola Valley | 6,531 | 2,637 | $250,000+ | $2,000,000+ | 81.9% | 21.2% | 6.3% | 8 | 2,702 | 13% of its land |
| 94304 | Palo Alto | 5,000 | 2,218 | $154,141 | $2,000,000+ | 23.2% | 21.9% | 25.1% | 4 | 2,725 | 80% of its land; mailing city |
A ZIP code is listed for Palo Alto when at least 10% of its land lies inside Palo Alto city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Palo Alto. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Palo Alto.
Counties
- Santa Clara County — 62 ZIP codes
- San Mateo County — 31 ZIP codes
- Santa Cruz County — 17 ZIP codes
Nearby cities sharing these ZIP codes
- East Palo Alto — 1 ZIP code
- Los Altos — 2 ZIP codes
- Los Altos Hills — 2 ZIP codes
- Stanford — 2 ZIP codes
Rankings
- Richest ZIP codes in Palo Alto — 6 ZIP codes ranked
- ZIP codes with the highest home values in Palo Alto — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Palo Alto — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Palo Alto — 6 ZIP codes ranked
- ZIP codes with the most new movers in Palo Alto — 6 ZIP codes ranked
- Youngest ZIP codes in Palo Alto — 6 ZIP codes ranked
- Oldest ZIP codes in Palo Alto — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Palo Alto — 6 ZIP codes ranked
Price a mailing to Palo Alto ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Palo Alto, CA?
- 94303, 94306, 94022, 94301, 94028 and 94304. A ZIP code is listed for Palo Alto when at least 10% of its land lies inside Palo Alto city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Palo Alto.
- What is the population of Palo Alto, CA?
- The Census Bureau counts 67,237 residents inside Palo Alto city limits (ACS 2020–2024). The 6 ZIP codes that serve Palo Alto hold 123,128 residents in all.
- What is the median household income in Palo Alto, CA?
- $231,101 inside Palo Alto city limits, per the Census Bureau. Across its ZIP codes the medians run from $151,609 to $250,000+.
- Which Palo Alto ZIP code has the highest median household income?
- 94022, at $250,000+, among ZIP codes with at least 1,000 residents. See the full ranking of Palo Alto ZIP codes by income.
- How many carrier routes and mailboxes are in Palo Alto, CA?
- For the 6 of 6 ZIP codes in EDDM2GO's stored route library: 117 carrier routes reaching 47,129 residential and 4,311 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.