ZIP code 94523
Where is ZIP code 94523?
Pleasant Hill, California
Contra Costa County · Standard ZIP code
ZIP code 94523 belongs to Pleasant Hill, California in Contra Costa County. 94523 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 34,592 people live in the 94523 area, where the median household income is $142,586. The closest ZIP codes are 94597 (Walnut Creek, 2.5 mi south), 94518 (Concord, 2.6 mi east) and 94520 (Concord, 2.8 mi northeast).
| ZIP code | 94523 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Pleasant Hill |
| Also accepted | Concord |
| State | California (CA) |
| County | Contra Costa County |
| Time zone | Pacific Time · now |
| Area code | 925 |
| Coordinates | 37.954, -122.0737 map |
| 3-digit prefix | 945 |
Population and income in 94523
| Population | 34,592 · higher than 72% of California ZIP codes |
|---|---|
| People per square mile | 4,800 · higher than 73% of California ZIP codes |
| Median age | 42 years · higher than 59% of California ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $142,586 · higher than 84% of California ZIP codes |
| Income per person | $65,935 |
| Below the poverty line | 7.4% |
| Bachelor’s degree or higher | 55% of adults 25+ |
| Median home value | $1,076,600 · higher than 80% of California ZIP codes |
| Median rent | $2,501 a month |
| Housing units | 14,133 |
| Households | 13,452 (2.52 people on average) |
| Owners / renters | 62% / 38% |
| Land area | 7.21 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94523. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94523
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94597 | Walnut Creek, CA | 2.5 mi S | Standard |
| 94518 | Concord, CA | 2.6 mi E | Standard |
| 94520 | Concord, CA | 2.8 mi NE | Standard |
| 94522 | Concord, CA | 2.9 mi NE | PO Box only |
| 94524 | Concord, CA | 2.9 mi NE | PO Box only |
| 94529 | Concord, CA | 2.9 mi NE | Unique |
| 94596 | Walnut Creek, CA | 3.5 mi S | Standard |
| 94598 | Walnut Creek, CA | 3.5 mi SE | Standard |
| 94519 | Concord, CA | 4 mi NE | Standard |
| 94553 | Martinez, CA | 4 mi NW | Standard |
| 94549 | Lafayette, CA | 4.5 mi SW | Standard |
| 94521 | Concord, CA | 5.4 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94523 or measure the distance to another ZIP code.
How to address mail to 94523
123 MAIN ST
PLEASANT HILL CA 94523
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts CONCORD as the city name for 94523. Adding the 4-digit ZIP+4 code (94523-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 94523?
- 94523 is a Pleasant Hill, California ZIP code. Concord is also accepted as the city name.
- What county is 94523 in?
- ZIP code 94523 is in Contra Costa County, California.
- What time zone is ZIP code 94523 in?
- 94523 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94523?
- Phone numbers in ZIP code 94523 use area code 925.
- What is the population of ZIP code 94523?
- About 34,592 people live in ZIP code 94523, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94523?
- The median household income in 94523 is $142,586 a year, higher than 84% of California ZIP codes.
- What ZIP codes are near 94523?
- The nearest ZIP codes to 94523 are 94597 (Walnut Creek, 2.5 miles), 94518 (Concord, 2.6 miles), 94520 (Concord, 2.8 miles) and 94522 (Concord, 2.9 miles).