ZIP code 94542
Where is ZIP code 94542?
Hayward, California
Alameda County · Standard ZIP code
ZIP code 94542 belongs to Hayward, California in Alameda County. 94542 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 codes 341 and 510. About 14,871 people live in the 94542 area, where the median household income is $133,734. The closest ZIP codes are 94544 (Hayward, 1.8 mi southwest), 94543 (Hayward, 2 mi west) and 94541 (Hayward, 2.5 mi northwest).
| ZIP code | 94542 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Hayward |
| State | California (CA) |
| County | Alameda County |
| Time zone | Pacific Time · now |
| Area codes | 341, 510 |
| Coordinates | 37.6586, -122.0472 map |
| 3-digit prefix | 945 |
Population and income in 94542
| Population | 14,871 · lower than 51% of California ZIP codes |
|---|---|
| People per square mile | 1,719 · higher than 57% of California ZIP codes |
| Median age | 43.1 years · higher than 64% of California ZIP codes |
| Men / women | 52% / 49% |
| Median household income | $133,734 · higher than 80% of California ZIP codes |
| Income per person | $63,119 |
| Below the poverty line | 7.6% |
| Bachelor’s degree or higher | 49% of adults 25+ |
| Median home value | $1,148,000 · higher than 82% of California ZIP codes |
| Median rent | $2,676 a month |
| Housing units | 5,201 |
| Households | 4,936 (2.75 people on average) |
| Owners / renters | 73% / 27% |
| Land area | 8.65 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94542. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94542
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94544 | Hayward, CA | 1.8 mi SW | Standard |
| 94543 | Hayward, CA | 2 mi W | PO Box only |
| 94541 | Hayward, CA | 2.5 mi NW | Standard |
| 94545 | Hayward, CA | 3.2 mi SW | Standard |
| 94546 | Castro Valley, CA | 3.4 mi NW | Standard |
| 94552 | Castro Valley, CA | 3.8 mi N | Standard |
| 94580 | San Lorenzo, CA | 4.7 mi W | Standard |
| 94587 | Union City, CA | 4.8 mi S | Standard |
| 94578 | San Leandro, CA | 5.2 mi NW | Standard |
| 94555 | Fremont, CA | 5.9 mi S | Standard |
| 94579 | San Leandro, CA | 6 mi W | Standard |
| 94537 | Fremont, CA | 7 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94542 or measure the distance to another ZIP code.
How to address mail to 94542
123 MAIN ST
HAYWARD CA 94542
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94542-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Hayward, CA
All Hayward ZIP codes with population and income →
Questions
- What city is ZIP code 94542?
- 94542 is a Hayward, California ZIP code.
- What county is 94542 in?
- ZIP code 94542 is in Alameda County, California.
- What time zone is ZIP code 94542 in?
- 94542 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94542?
- Phone numbers in ZIP code 94542 use area codes 341 and 510.
- What is the population of ZIP code 94542?
- About 14,871 people live in ZIP code 94542, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94542?
- The median household income in 94542 is $133,734 a year, higher than 80% of California ZIP codes.
- What ZIP codes are near 94542?
- The nearest ZIP codes to 94542 are 94544 (Hayward, 1.8 miles), 94543 (Hayward, 2 miles), 94541 (Hayward, 2.5 miles) and 94545 (Hayward, 3.2 miles).