ZIP code 94521
Where is ZIP code 94521?
Concord, California
Contra Costa County · Standard ZIP code
ZIP code 94521 belongs to Concord, California in Contra Costa County. 94521 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 41,909 people live in the 94521 area, where the median household income is $125,899. The closest ZIP codes are 94527 (Concord, 1 mi east), 94519 (Concord, 2.7 mi northwest) and 94518 (Concord, 2.8 mi west).
| ZIP code | 94521 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Concord |
| State | California (CA) |
| County | Contra Costa County |
| Time zone | Pacific Time · now |
| Area code | 925 |
| Coordinates | 37.9575, -121.975 map |
| 3-digit prefix | 945 |
Population and income in 94521
| Population | 41,909 · higher than 80% of California ZIP codes |
|---|---|
| People per square mile | 4,328 · higher than 71% of California ZIP codes |
| Median age | 42.9 years · higher than 62% of California ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $125,899 · higher than 76% of California ZIP codes |
| Income per person | $59,781 |
| Below the poverty line | 5.2% |
| Bachelor’s degree or higher | 45% of adults 25+ |
| Median home value | $853,200 · higher than 67% of California ZIP codes |
| Median rent | $2,404 a month |
| Housing units | 16,451 |
| Households | 15,938 (2.6 people on average) |
| Owners / renters | 74% / 26% |
| Land area | 9.68 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94521. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94521
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94527 | Concord, CA | 1 mi E | PO Box only |
| 94519 | Concord, CA | 2.7 mi NW | Standard |
| 94518 | Concord, CA | 2.8 mi W | Standard |
| 94522 | Concord, CA | 3.4 mi NW | PO Box only |
| 94524 | Concord, CA | 3.4 mi NW | PO Box only |
| 94529 | Concord, CA | 3.4 mi NW | Unique |
| 94520 | Concord, CA | 3.7 mi NW | Standard |
| 94598 | Walnut Creek, CA | 3.8 mi SW | Standard |
| 94565 | Pittsburg, CA | 4.5 mi NE | Standard |
| 94517 | Clayton, CA | 4.6 mi SE | Standard |
| 94523 | Pleasant Hill, CA | 5.4 mi W | Standard |
| 94596 | Walnut Creek, CA | 5.7 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94521 or measure the distance to another ZIP code.
How to address mail to 94521
123 MAIN ST
CONCORD CA 94521
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94521-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Concord, CA
All Concord ZIP codes with population and income →
Questions
- What city is ZIP code 94521?
- 94521 is a Concord, California ZIP code.
- What county is 94521 in?
- ZIP code 94521 is in Contra Costa County, California.
- What time zone is ZIP code 94521 in?
- 94521 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94521?
- Phone numbers in ZIP code 94521 use area code 925.
- What is the population of ZIP code 94521?
- About 41,909 people live in ZIP code 94521, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94521?
- The median household income in 94521 is $125,899 a year, higher than 76% of California ZIP codes.
- What ZIP codes are near 94521?
- The nearest ZIP codes to 94521 are 94527 (Concord, 1 miles), 94519 (Concord, 2.7 miles), 94518 (Concord, 2.8 miles) and 94522 (Concord, 3.4 miles).