San Ramon ZIP Codes — Contra Costa County, CA

There are 2 unique ZIP codes in San Ramon, California. Area code: 925.

ZIP codes

34.65

sq mi land

0.04

sq mi water

925

area code

San Ramon, CA ZIP code map

About San Ramon, CA

San Ramon, California, is a thriving city located in the heart of the San Francisco Bay Area. Known for its scenic landscapes and suburban charm, San Ramon offers a blend of community-oriented living and access to metropolitan amenities. The city is well-regarded for its excellent schools, vibrant parks, and extensive recreational opportunities.

Location & geography

San Ramon is situated in Contra Costa County, approximately 34 miles east of San Francisco and 19 miles southeast of Oakland. The city covers a land area of 34.65 square miles, with a small water area of 0.04 square miles. The terrain features lush hills and valleys, providing picturesque views and various outdoor activities.

Community & economy

The community in San Ramon is characterized by its family-friendly environment, featuring numerous parks and community events that foster connection among residents. The city's economy is diverse, with significant industries including technology, retail, and healthcare, making it a hub for professional opportunities. Daily life in San Ramon is enriched by local markets, dining options, and recreational facilities that cater to a wide array of interests.

Transportation

San Ramon is conveniently connected by major highways, including Interstate 680, which provides access to the broader Bay Area. The city is also served by the San Ramon Transit Center, offering local bus services. The nearest major airport is Oakland International Airport, located about 19 miles away, while San Francisco International Airport is approximately 34 miles from the city.

History

San Ramon has a rich history, having been established in the mid-1800s as a farming and ranching community. Key industries have traditionally included agriculture, but over the years, San Ramon has transformed into a suburban center for technology and services. Notable events in the city's history include the development of the Bishop Ranch business park, which has become a significant employment hub.

Did you know?

A surprising fact about San Ramon is that it is home to the headquarters of several major corporations, including the global engineering firm, Chevron. Additionally, the city hosts the annual San Ramon Art & Wind Festival, which attracts visitors from all over the region.

ZIP codes for San Ramon, CA (2)

ZIP code	City	County	Map
94582	San Ramon	Contra Costa	View map
94583	San Ramon	Contra Costa	View map

Demographics & statistics

87,096

Population

40.6

Median age

$191,562

Median household income

$78,146

Per capita income

$1,282,500

Median home value

$2,773

Median monthly rent

71.5%

Home ownership

4.2%

Poverty rate

5.0%

Unemployment

22,088

Housing units

70.0%

Bachelor's or higher

Age distribution

Male Female

2,215

Under 5

2,186

3,131

5–9

3,091

4,236

10–14

4,182

3,187

15–19

3,147

2,121

20–24

2,094

3,554

25–34

3,508

6,871

35–44

6,782

8,261

45–54

8,154

3,211

55–59

3,170

2,076

60–64

2,050

2,737

65–74

2,702

1,638

75–84

1,617

591

85+

584

← Male

Female →

Age summary

Group	Count	%
Under 18	23,592	27.0%
18 and over	63,504	73.1%
65 and over	9,869	11.6%
Median age	40.6 years

Race & ethnicity

Asian 45.9%

White 35.6%

Two or more races 7.7%

Hispanic or Latino 5.1%

Black or African American 2.6%

Other race 2.4%

Native Hawaiian / Pacific Islander 0.4%

American Indian / Alaska Native 0.3%

Group	Count	%
Asian	42,176	45.9%
White	32,664	35.6%
Two or more races	7,092	7.7%
Hispanic or Latino	4,712	5.1%
Black or African American	2,382	2.6%
Other race	2,160	2.4%
Native Hawaiian / Pacific Islander	354	0.4%
American Indian / Alaska Native	268	0.3%

Household income

Under $10k 2.9%

$10k–$15k 1.4%

$15k–$25k 1.6%

$25k–$35k 2.3%

$35k–$50k 3.0%

$50k–$75k 6.0%

$75k–$100k 7.0%

$100k–$150k 14.6%

$150k–$200k 13.5%

$200k+ 47.9%

Range	% of households
Under $10k	2.9%
$10k–$15k	1.4%
$15k–$25k	1.6%
$25k–$35k	2.3%
$35k–$50k	3.0%
$50k–$75k	6.0%
$75k–$100k	7.0%
$100k–$150k	14.6%
$150k–$200k	13.5%
$200k+	47.9%
Median income	$191,562

Housing

Home values

Under $50k 0.8%

$50k–$100k 0.4%

$100k–$150k 0.5%

$150k–$200k 0.4%

$200k–$300k 0.5%

$300k–$500k 2.0%

$500k–$1M 18.7%

$1M+ 76.9%

Housing overview

Metric	Value
Median home value	$1,282,500
Median rent / month	$2,773
Owner occupied	71.5%
Renter occupied	28.6%
Vacant	2.5%
Single-family detached	65.2%
Large apartment buildings	9.8%
Mobile homes	0.0%
Median rooms	6.1
Avg household size (owned)	3.10

Year built

Era	%
2020 or later	0.2%
2010–2019	10.6%
2000–2009	26.0%
1990–1999	16.7%
1980–1989	20.3%
1970–1979	17.3%
1960–1969	7.0%
1950–1959	1.5%
1940–1949	0.2%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	9.9%
2 bedrooms	14.3%
3 bedrooms	25.8%
4 bedrooms	36.9%
5+ bedrooms	11.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	25.8%
2 vehicles	44.9%
3 or more	25.9%

Heating fuel

Fuel type	%
Utility gas	68.7%
Electricity	27.6%
Propane / LP gas	1.4%
Wood	0.2%
Solar	1.0%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	20,379	68.3%
Cohabiting couple	973	3.3%
Male householder, no spouse	3,037	10.2%
Female householder, no spouse	5,502	18.2%
Households with children under 18	14,183	47.2%
Households with seniors (65+)	7,002	23.9%
Average household size	2.91

Marital status

Status	Male	Female
Never married	28.1%	22.8%
Married	64.4%	62.7%
Separated	0.9%	0.7%
Widowed	1.7%	6.2%
Divorced	5.1%	7.7%

Education

Less than 9th grade 1.7%

Some HS, no diploma 1.8%

HS graduate 8.9%

Some college, no degree 11.5%

Associate's degree 6.1%

Bachelor's degree 38.5%

Graduate / professional 31.6%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	70.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,212	4.7%
Kindergarten	1,275	4.9%
Elementary school	11,377	43.0%
High school	6,437	24.5%
College / grad school	6,011	23.0%

Employment

Industry of employment

Professional & management 25.6%

Education & healthcare 19.8%

Manufacturing 11.0%

Finance & real estate 9.1%

Retail trade 8.2%

Arts, food & hospitality 5.4%

Transportation & utilities 4.9%

Information 4.5%

Construction 4.0%

Public administration 3.0%

Other services 2.8%

Wholesale trade 2.0%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	69.0%
Service	8.2%
Sales & office	16.2%
Natural resources & construction	3.1%
Production & transportation	3.7%

Employment type

Type	%
Private sector	83.7%
Government	11.0%
Self-employed	5.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	58.8%
Carpool	5.5%
Public transit	4.7%
Walk	1.8%
Other means	1.3%
Avg commute (minutes)	36.0

Poverty

All people 4.2%

Under 18 years 3.3%

18 and over 4.5%

Married-couple families 1.3%

Female-led households 13.3%

Income support

Source	% of households
Social Security	19.9%
Retirement income	18.4%
Supplemental Security	2.2%
Cash public assistance	2.1%
Food stamps / SNAP	2.4%

Health indicators

Condition	%
High blood pressure	21.0%
High cholesterol	26.5%
Heart disease	3.3%
Stroke	1.6%
Asthma	8.0%
Arthritis	16.1%
Kidney disease	1.8%
Pulmonary disease	3.1%
Cancer	4.9%

Behavior / access	%
Binge drinking	17.8%
No physical activity	13.5%
Less than 7 hrs sleep	29.4%
Fair or poor health	7.6%
Poor mental health	11.1%
Poor physical health	6.1%
No health insurance	6.2%
Visited doctor (checkup)	63.7%
Visited dentist	76.3%
Cholesterol screening	93.2%
Teeth loss	4.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,792	2.9%

Disability	%
Any disability	6.0%
Under 18	3.4%
18–64 years	3.8%
65 and over	25.0%

Health insurance coverage

Type	%
Private insurance	88.8%
Public insurance	17.4%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	82,695	95.0%
Spanish	9,418	11.2%
Other Indo-European	373	0.5%
Asian & Pacific Islander	2,400	2.8%
Other languages	6,195	7.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	54,730	63.5%
Born in same state	53,679	62.3%
Born in different state	41,030	47.5%
Foreign born	1,051	1.3%
Naturalized citizen	32,366	36.6%
Not a US citizen	20,571	61.5%

Ancestry

Ancestry	Count	%
French	5,817	6.7%
Italian	4,784	5.5%
Arab	1,520	1.7%
Dutch	623	0.7%
Polish	575	0.7%

Ancestry	Count	%
English	486	0.6%
Irish	231	0.3%
Norwegian	105	0.1%
German	92	0.1%

Technology access

Metric	% of households
Computer access	34.4%
Internet access	99.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does San Ramon, CA have?

San Ramon, CA has two ZIP codes: 94582 and 94583. Each ZIP code serves a distinct delivery area within the city and surrounding region.