ZIP code 94583
Where is ZIP code 94583?
San Ramon, California
Contra Costa County · Standard ZIP code
ZIP code 94583 belongs to San Ramon, California in Contra Costa County. 94583 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, 510 and 925. About 39,583 people live in the 94583 area, where the median household income is $184,898. The closest ZIP codes are 94570 (Moraga, 1.5 mi north), 94575 (Moraga, 1.5 mi north) and 94582 (San Ramon, 2.1 mi east).
| ZIP code | 94583 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Ramon |
| State | California (CA) |
| County | Contra Costa County |
| Time zone | Pacific Time · now |
| Area codes | 341, 510, 925 |
| Coordinates | 37.7562, -121.9522 map |
| 3-digit prefix | 945 |
Population and income in 94583
| Population | 39,583 · higher than 78% of California ZIP codes |
|---|---|
| People per square mile | 1,864 · higher than 58% of California ZIP codes |
| Median age | 40.8 years · higher than 53% of California ZIP codes |
| Men / women | 51% / 50% |
| Median household income | $184,898 · higher than 94% of California ZIP codes |
| Income per person | $79,629 |
| Below the poverty line | 3.6% |
| Bachelor’s degree or higher | 65% of adults 25+ |
| Median home value | $1,383,600 · higher than 89% of California ZIP codes |
| Median rent | $3,019 a month |
| Housing units | 14,345 |
| Households | 13,890 (2.84 people on average) |
| Owners / renters | 72% / 28% |
| Land area | 21.24 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 94583. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 94583
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 94570 | Moraga, CA | 1.5 mi N | PO Box only |
| 94575 | Moraga, CA | 1.5 mi N | Standard |
| 94582 | San Ramon, CA | 2.1 mi E | Standard |
| 94568 | Dublin, CA | 3.2 mi SE | Standard |
| 94526 | Danville, CA | 4.1 mi N | Standard |
| 94537 | Fremont, CA | 5.5 mi S | PO Box only |
| 94540 | Hayward, CA | 5.5 mi S | PO Box only |
| 94557 | Hayward, CA | 5.5 mi S | PO Box only |
| 94552 | Castro Valley, CA | 5.6 mi SW | Standard |
| 94506 | Danville, CA | 5.6 mi N | Standard |
| 94588 | Pleasanton, CA | 5.7 mi SE | Standard |
| 94528 | Diablo, CA | 5.8 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 94583 or measure the distance to another ZIP code.
How to address mail to 94583
123 MAIN ST
SAN RAMON CA 94583
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (94583-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Ramon, CA
All San Ramon ZIP codes with population and income →
Questions
- What city is ZIP code 94583?
- 94583 is a San Ramon, California ZIP code.
- What county is 94583 in?
- ZIP code 94583 is in Contra Costa County, California.
- What time zone is ZIP code 94583 in?
- 94583 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 94583?
- Phone numbers in ZIP code 94583 use area codes 341, 510 and 925.
- What is the population of ZIP code 94583?
- About 39,583 people live in ZIP code 94583, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 94583?
- The median household income in 94583 is $184,898 a year, higher than 94% of California ZIP codes.
- What ZIP codes are near 94583?
- The nearest ZIP codes to 94583 are 94570 (Moraga, 1.5 miles), 94575 (Moraga, 1.5 miles), 94582 (San Ramon, 2.1 miles) and 94568 (Dublin, 3.2 miles).