US ZIP Code
94583

San Ramon, CA

Contra Costa County  ·  California

● Active
👥 39,418 Population ↑ 12% since 2019
💰 $184,033 Median HH Income
▲ 141% above avg ↑ 21% since 2019
🎂 40.6 Median Age
🏠 $1,234,400 Median Home Value
▲ 343% above avg ↑ 39% since 2019
🎓 71.1% College Grads
▲ 84% above avg
📊 5.1% Unemployment
≈ Avg ↑ 46% since 2019
ZIP Code Details
ZIP Code94583
CitySan Ramon
StateCalifornia (CA)
CountyContra Costa County
Area Code925
Elevation815 ft
Latitude37.771693
Longitude-121.989829
TimezoneLos Angeles (DST)
FIPS06013
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.1% (20,139) Female 48.9% (19,279) ♀

Race & Ethnicity

White: 45.1%Hispanic: 10.8%Black: 1.8%Asian: 36.9%Other: 4.7%Race
White45.1%
Hispanic10.8%
Black1.8%
Asian36.9%
Other4.7%

Age Breakdown

Under 5
5%
5–17
20%
18–24
7%
25–44
24%
45–64
29%
65+
6%

Key Indicators

Median Age40.6 yrs
Avg Household Size2.85
Below Poverty3.1% ▼ 69% below avg
College Grads71.1% ▲ 84% above avg
Unemployment5.1% ≈ Avg
No HS Diploma223 (0.9%)
HS Graduate3,154 (12.5%)
Some College1,079 (4.3%)
Associates2,824 (11.2%)
Bachelors1,930 (7.7%)
Graduate Degree16,002 (63.5%)

Education

No HS: 0.9%HS Grad: 12.5%Some College: 4.3%Associates: 11.2%Bachelors: 7.7%Graduate: 63.5%Edu
No HS0.9%
HS Grad12.5%
Some College4.3%
Associates11.2%
Bachelors7.7%
Graduate63.5%
Housing & Income

Housing Tenure

Owner: 71.7%Renter: 28.3%Tenure
Owner71.7%
Renter28.3%

Home Value Distribution

Under $50k
1%
$50k–100k
1%
$100k–150k
1%
$150k–200k
0%
$200k–300k
1%
$300k–500k
2%
Over $500k
94%

Financials

Median HH Income$184,033 ▲ 141% above avg ↑ 21% since 2019
Median Home Value$1,234,400 ▲ 343% above avg ↑ 39% since 2019
Home/Income Ratio6.7x (nat avg ~3.5x)
Median Rent$2,973/mo ↑ 27% since 2019
Total Units14,208
Vacant Units432
Avg HH Size2.85

Income Distribution

Under $25k
4%
$25k–50k
4%
$50k–75k
7%
$75k–100k
6%
$100k–150k
17%
$150k–200k
14%
Over $200k
47%
Employment & Commute

How People Get to Work

Drove Alone
64%
Public Transit
3%
Walked
2%
Work From Home
31%

Commute Time

Under 15 min
25%
15–30 min
29%
30–45 min
16%
Over 45 min
31%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
8%
1960s–1970s
29%
1980s–1990s
11%
2000+
53%

Summary

Total Units14,208
Vacant432
Owner Occupied71.7%
Renter Occupied28.3%
Avg HH Size2.85
Frequently Asked Questions
ZIP code 94583 is in San Ramon, CA, in Contra Costa County.
ZIP code 94583 is located in California (CA).
ZIP code 94583 is in Contra Costa County, CA.
ZIP 94583 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 94583 is 39,418 people (ACS 2023).
The median household income in ZIP code 94583 is $184,033 (ACS 2023).
The median home value in ZIP 94583 is $1,234,400 (ACS 2023).
About ZIP Code 94583

ZIP code 94583 is located in San Ramon, California, within Contra Costa County. With a population of 39,418, this is a highly populated ZIP code with a middle-aged community — the median age is 40.6 years. Economically, 94583 is a affluent ZIP code: the median household income of $184,033 is more than double the national average.

Real estate in ZIP code 94583 represents among the most expensive housing markets in the country. The median home value of $1,234,400 is more than double the national average. Renters can expect to pay around $2,973 per month in median rent. Homeownership is strong here — 71.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.

The population of 94583 is racially diverse, with White as the largest group at 45.1%. Residents are highly educated — 71.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.1%. Household income has grown by 21% since 2019.

The unemployment rate in 94583 stands at 5.1%, which is near the national average. A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 60%.

Overall, ZIP code 94583 in San Ramon, CA is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 39,418 residents, a median household income of $184,033, and a median home value of $1,234,400, it offers a clear picture of life in this part of California.