ZIP code 94598
Where is ZIP code 94598?
Walnut Creek, California
Contra Costa County · Standard ZIP code
ZIP code 94598 belongs to Walnut Creek, California in Contra Costa County. 94598 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 925. About 27,206 people live in the 94598 area, where the median household income is $186,225. The closest ZIP codes are 94596 (Walnut Creek, 1.9 mi southwest), 94518 (Concord, 2.1 mi north) and 94597 (Walnut Creek, 2.5 mi west).
| ZIP code | 94598 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Walnut Creek |
| State | California (CA) |
| County | Contra Costa County |
| Time zone | Pacific Time · now |
| Area code | 925 |
| Coordinates | 37.9194, -122.0259 map |
| 3-digit prefix | 945 |
Population and income in 94598
| Population | 27,206 · higher than 62% of California ZIP codes |
|---|---|
| People per square mile | 1,320 · higher than 54% of California ZIP codes |
| Median age | 45.9 years · higher than 74% of California ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $186,225 · higher than 94% of California ZIP codes |
| Income per person | $95,937 |
| Below the poverty line | 5.4% |
| Bachelor’s degree or higher | 74% of adults 25+ |
| Median home value | $1,339,900 · higher than 88% of California ZIP codes |
| Median rent | $2,940 a month |
| Housing units | 10,928 |
| Households | 10,828 (2.47 people on average) |
| Owners / renters | 76% / 24% |
| Land area | 20.61 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94598. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94598
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94596 | Walnut Creek, CA | 1.9 mi SW | Standard |
| 94518 | Concord, CA | 2.1 mi N | Standard |
| 94597 | Walnut Creek, CA | 2.5 mi W | Standard |
| 94523 | Pleasant Hill, CA | 3.5 mi NW | Standard |
| 94521 | Concord, CA | 3.8 mi NE | Standard |
| 94595 | Walnut Creek, CA | 3.9 mi SW | Standard |
| 94522 | Concord, CA | 4.1 mi N | PO Box only |
| 94524 | Concord, CA | 4.1 mi N | PO Box only |
| 94529 | Concord, CA | 4.1 mi N | Unique |
| 94520 | Concord, CA | 4.4 mi N | Standard |
| 94527 | Concord, CA | 4.4 mi NE | PO Box only |
| 94519 | Concord, CA | 4.5 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94598 or measure the distance to another ZIP code.
How to address mail to 94598
123 MAIN ST
WALNUT CREEK CA 94598
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94598-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Walnut Creek, CA
All Walnut Creek ZIP codes with population and income →
Questions
- What city is ZIP code 94598?
- 94598 is a Walnut Creek, California ZIP code.
- What county is 94598 in?
- ZIP code 94598 is in Contra Costa County, California.
- What time zone is ZIP code 94598 in?
- 94598 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94598?
- Phone numbers in ZIP code 94598 use area code 925.
- What is the population of ZIP code 94598?
- About 27,206 people live in ZIP code 94598, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94598?
- The median household income in 94598 is $186,225 a year, higher than 94% of California ZIP codes.
- What ZIP codes are near 94598?
- The nearest ZIP codes to 94598 are 94596 (Walnut Creek, 1.9 miles), 94518 (Concord, 2.1 miles), 94597 (Walnut Creek, 2.5 miles) and 94523 (Pleasant Hill, 3.5 miles).