ZIP code 94578
Where is ZIP code 94578?
San Leandro, California
Alameda County · Standard ZIP code
ZIP code 94578 belongs to San Leandro, California in Alameda County. 94578 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 41,769 people live in the 94578 area, where the median household income is $94,084. The closest ZIP codes are 94580 (San Lorenzo, 1.7 mi south), 94579 (San Leandro, 1.7 mi southwest) and 94577 (San Leandro, 2.3 mi northwest).
| ZIP code | 94578 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Leandro |
| State | California (CA) |
| County | Alameda County |
| Time zone | Pacific Time · now |
| Area codes | 341, 510 |
| Coordinates | 37.7024, -122.124 map |
| 3-digit prefix | 945 |
Population and income in 94578
| Population | 41,769 · higher than 80% of California ZIP codes |
|---|---|
| People per square mile | 9,162 · higher than 89% of California ZIP codes |
| Median age | 37.9 years · lower than 61% of California ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $94,084 · higher than 50% of California ZIP codes |
| Income per person | $39,983 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 26% of adults 25+ |
| Median home value | $823,000 · higher than 63% of California ZIP codes |
| Median rent | $2,116 a month |
| Housing units | 14,672 |
| Households | 13,904 (2.94 people on average) |
| Owners / renters | 44% / 56% |
| Land area | 4.56 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94578. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94578
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94580 | San Lorenzo, CA | 1.7 mi S | Standard |
| 94579 | San Leandro, CA | 1.7 mi SW | Standard |
| 94577 | San Leandro, CA | 2.3 mi NW | Standard |
| 94546 | Castro Valley, CA | 2.5 mi E | Standard |
| 94541 | Hayward, CA | 2.7 mi SE | Standard |
| 94543 | Hayward, CA | 3.3 mi SE | PO Box only |
| 94603 | Oakland, CA | 3.7 mi NW | Standard |
| 94614 | Oakland, CA | 4.7 mi W | PO Box only |
| 94552 | Castro Valley, CA | 4.8 mi E | Standard |
| 94605 | Oakland, CA | 4.8 mi NW | Standard |
| 94545 | Hayward, CA | 5 mi S | Standard |
| 94621 | Oakland, CA | 5.1 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94578 or measure the distance to another ZIP code.
How to address mail to 94578
123 MAIN ST
SAN LEANDRO CA 94578
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94578-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Leandro, CA
All San Leandro ZIP codes with population and income →
Questions
- What city is ZIP code 94578?
- 94578 is a San Leandro, California ZIP code.
- What county is 94578 in?
- ZIP code 94578 is in Alameda County, California.
- What time zone is ZIP code 94578 in?
- 94578 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94578?
- Phone numbers in ZIP code 94578 use area codes 341 and 510.
- What is the population of ZIP code 94578?
- About 41,769 people live in ZIP code 94578, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94578?
- The median household income in 94578 is $94,084 a year, higher than 50% of California ZIP codes.
- What ZIP codes are near 94578?
- The nearest ZIP codes to 94578 are 94580 (San Lorenzo, 1.7 miles), 94579 (San Leandro, 1.7 miles), 94577 (San Leandro, 2.3 miles) and 94546 (Castro Valley, 2.5 miles).