Walnut Creek, CA ZIP Codes
4 ZIP codes serve Walnut Creek, California: 94598, 94596, 94597 and 94595. Together they are home to 90,740 residents in 41,987 households. Median household income ranges from $100,552 in 94595 to $186,225 in 94598.
Walnut Creek city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 70,088 |
| Households | 33,072 |
| Median household income | $130,432 |
| Median home value | $1,057,300 |
| Median age | 46.8 |
| Median rent | $2,680 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 90,740 |
| Households (sum of ZIP codes) | 41,987 |
| Median household income, range across ZIP codes | $100,552 (94595) to $186,225 (94598) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $139,937 |
| Homeowners | 61.3% |
| Households with kids under 18 | 20.5% |
| Moved in the past year | 15.0% |
| Carrier routes in EDDM2GO's route library | 76 routes, 44,545 homes (4 of 4 ZIP codes) |
Top facts
- Highest median household income in Walnut Creek: 94598 ($186,225)
- Most residents: 94598 (27,206 people)
- Highest homeownership: 94595 (81.9% own their home)
- Most households with kids: 94598 (28.7% of households)
- Most new movers: 94596 (19.0% moved in last year)
- Youngest median age: 94596 (37.1 years)
- Highest median home value: 94598 ($1,339,900)
Every ZIP code in Walnut Creek
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 94598 | Walnut Creek | 27,206 | 10,828 | $186,225 | $1,339,900 | 76.3% | 28.7% | 11.5% | 23 | 11,658 | 38% of its land; mailing city |
| 94596 | Walnut Creek | 23,417 | 11,009 | $135,635 | $1,277,800 | 43.6% | 19.2% | 19.0% | 20 | 14,021 | 81% of its land; mailing city |
| 94597 | Walnut Creek | 23,129 | 10,782 | $132,063 | $1,026,800 | 46.4% | 20.6% | 17.4% | 15 | 12,244 | 73% of its land; mailing city |
| 94595 | Walnut Creek | 16,988 | 9,368 | $100,552 | $860,600 | 81.9% | 12.3% | 12.0% | 18 | 10,502 | 68% of its land; mailing city |
A ZIP code is listed for Walnut Creek when at least 10% of its land lies inside Walnut Creek city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Walnut Creek. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Walnut Creek.
Counties
- Contra Costa County — 47 ZIP codes
Nearby cities sharing these ZIP codes
- Contra Costa Centre — 2 ZIP codes
- Saranap — 1 ZIP code
Price a mailing to Walnut Creek ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Walnut Creek, CA?
- 94598, 94596, 94597 and 94595. A ZIP code is listed for Walnut Creek when at least 10% of its land lies inside Walnut Creek city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Walnut Creek.
- What is the population of Walnut Creek, CA?
- The Census Bureau counts 70,088 residents inside Walnut Creek city limits (ACS 2020–2024). The 4 ZIP codes that serve Walnut Creek hold 90,740 residents in all.
- What is the median household income in Walnut Creek, CA?
- $130,432 inside Walnut Creek city limits, per the Census Bureau. Across its ZIP codes the medians run from $100,552 to $186,225.
- Which Walnut Creek ZIP code has the highest median household income?
- 94598, at $186,225, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Walnut Creek, CA?
- For the 4 of 4 ZIP codes in EDDM2GO's stored route library: 76 carrier routes reaching 44,545 residential and 3,878 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.