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San Ramon, CA

Last updated
Key Indicators
A quick look at key numbers

Population

85,993
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

41.6
years ∙ half population younger than 41.6, half older

Diversity Index

Low High
63.7%
chance two random people differ in race and ethnicity

Nativity

38.6%
foreign-born population
61.4%Native
38.6% Foreign-born

Geographic Context

Location, size, and surroundings

About

San Ramon is a city within Contra Costa County, California, United States.
Location
City in Contra Costa County, CA, US
Co-ordinates
DEC37.765258° N, 121.931987° W
DMS37° 45′ 54.93″ N, 121° 55′ 55.15″ W

Population Density & area

4,278/sq mi (1,654/km²)
Total Area
20.1 sq mi (52.1 km²)
Land Area
20.1 sq mi (52 km²) · 99.83%
Water Area
0 sq mi (0.1 km²) · 0.17%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

48.9% male
Male 48.9%
Female 51.1%
males per 100 females
San Ramon 95.7
Contra Costa County 96.8
California 99.8

Nativity

38.6%
foreign-born population
61.4%Native
38.6% Foreign-born
% Foreign-born
San Ramon 38.6%
Contra Costa County 26.6%
California 27%
Age Distribution
How the population is spread across age groups

Median Age

41.6
years ∙ half population younger than 41.6, half older
San Ramon
41.6
Contra Costa County
40.5
California
37.9

Dependency ratio

Low High
61.2
dependents per 100 working-age adults
San Ramon 61.2
Contra Costa County 64.1
California 60.4

AGE DISTRIBUTION

Distribution of age group
Median age
San Ramon Contra Costa County California
Age Group
Children (Under 18) 25.8% 22% 22%
Working age (18-64) 62% 60.9% 62.3%
Senior (65+) 12.2% 17.1% 15.7%
Dependency ratio
Total dependency ratio 61.2 64.1 60.4
Child dependency ratio 41.5 36.1 35.2
Old-age dependency ratio 19.7 28.1 25.1
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
32.9%
Black
3.3%
Asian
49.5%
Hispanic
7.5%
Other
6.8%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
63.7%
chance two random people differ in race and ethnicity
San Ramon 63.7%
Contra Costa County 73.4%
California 69.6%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of San Ramon population
San Ramon Contra Costa County California
Hispanic or Latino 7.5% 27.6% 40.2%
Mexican 4.5% 18.1% 32.3%
Puerto Rican 0.3% 0.7% 0.6%
Cuban 0.1% 0.2% 0.3%
Other Hispanic / Latino 2.6% 8.7% 7%
Not Hispanic or Latino 92.5% 72.4% 59.8%
One race 86.7% 66.1% 55.4%
White 32.9% 38.1% 33.8%
Black or African American 3.3% 7.9% 5.2%
American Indian and Alaska Native 0.2% 0.2% 0.3%
Asian 49.5% 18.6% 15.3%
Native Hawaiian and Other Pacific Islander 0.2% 0.5% 0.3%
Some Other Race 0.6% 0.8% 0.6%
Two or more races (Multiracial) 5.8% 6.3% 4.4%
Household & Families Composition
Household size, type, and family structure

Household structure

79.2% family
Family 79.2%
Non family 20.8%
% family households
San Ramon 79.2%
Contra Costa County 71.5%
California 67.8%

Average household size

2.85
persons per household
San Ramon
2.85
Contra Costa County
2.78
California
2.84

Household & Family COMPOSITION

Households
Percentage of San Ramon population
San Ramon Contra Costa County California
Total households 30,103 414,417 13,548,091
Average houshold size 2.85 2.78 2.84
Family households 23,838 296,218 9,191,176
Average family size 3.24 3.27 3.41
Married couple family 20,787 224,093 6,557,184
Other families 3,051 72,125 2,633,992
Male householder 894 22,037 857,732
Female householder 2,157 50,088 1,776,260
Non-family households 6,265 118,199 4,356,915
One-person households 4,930 91,534 3,289,307
Male householder 1,778 38,400 1,493,062
Senior (65+) living alone 431 14,034 460,668
Female householder 3,152 53,134 1,796,245
Senior (65+) living alone 1,475 29,906 886,142
Other living arrangements 1,335 26,665 1,067,608

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

30,744
housing units
San Ramon 30,744
Contra Costa County 429,260
California 14,644,735

Occupancy status

97.9% occupied
Occupied 97.9%
Vacant 2.1%
vacancy rate
San Ramon 2.1%
Contra Costa County 3.5%
California 7.5%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

76.9%
Single family houses
Single family houses
76.9%
Apartments in multi-unit structures
23%
Mobile homes
0%
Boat, RV, van, etc
0.1%

Median Year Built

1994
Half of houses were built before 1994, and half after.
Historic ∙ 1939 or earlier
0.3%
Postwar & mid-century ∙ 1940 - 1969
7%
Late 20th century ∙ 1970 - 1999
53.4%
Modern ∙ 2000 or later
39.4%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
San Ramon Contra Costa County California
Rooms per unit
Median rooms 6.1 5.7 5
1–3 rooms 13.5% 13.4% 21%
4–6 rooms 44.4% 50.6% 54.7%
7+ rooms 42.1% 35.8% 24.4%
Bedrooms
No bedroom / studio 2.1% 3% 5%
1 bedroom 9.3% 8.7% 13.2%
2 bedrooms 14.9% 21.9% 26.9%
3 bedrooms 25.6% 33.6% 32.8%
4+ bedrooms 48.2% 32.9% 22.1%
At a glance
Median year built 1994 1978 1976
Total housing units 30,744 429,260 14,644,735
Occupancy Profile
Who is inside and how they use it

Homeownership

70.9% owners
Renter-occupied 29.1%
Owner-occupied 70.9%
homeownership rate
San Ramon 70.9%
Contra Costa County 68%
California 55.9%

Average household size

3.03
Owner-occupied
2.43
Renter-occupied
owner-occupied average size
San Ramon 3.03
Contra Costa County 2.82
California 2.95

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
San Ramon Contra Costa County California
Total occupied units 30,103 414,417 13,548,091
Year moved in
2020 or later 22.8% 21% 23.4%
2010 to 2019 42.4% 40.5% 41.2%
2000 to 2009 21.2% 17.8% 17%
1999 or earlier 13.5% 20.6% 18.5%
Occupants per room
1.00 or fewer 96.4% 94.6% 91.8%
1.01 to 1.50 2% 3.4% 5%
1.51 or more 1.7% 2% 3.2%
Vehicles availability
No vehicles 3.7% 5.2% 7.1%
1 vehicle 27.2% 28.2% 30.7%
2 vehicles 44.9% 37.7% 36.3%
3 or more vehicles 24.2% 28.9% 25.8%
House heating fuel used
Gas 69.5% 68% 64.4%
Electricity 28.2% 28.3% 29.5%
Solar 1.3% 1.7% 1.2%
Fuel oil, kerosene etc 0.1% 0.1% 0.2%
All other fuels 0.2% 0.6% 1.6%
No fuel used 0.6% 1.3% 3%
Selected characteristics
Lacking complete plumbing 0.2% 0.4% 0.4%
Lacking complete kitchen 0.4% 0.7% 1.2%
No telephone service available 0.8% 0.7% 0.9%
Housing Value
What owner-occupied units are worth

Median home value

$1,509,500
owner-occupied units
Median value(USD)
San Ramon
$1,509,500
Contra Costa County
$866,800
California
$734,700

Housing Cost Burden

32.7%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
32.7%
Owners without a mortgage
10.7%
Renters
49.1%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
San Ramon Contra Costa County California
Property value
Median Value $1,509,500 $866,800 $734,700
Under $100,000 1.2% 2.6% 4.2%
$100,000 - $200,000 0.9% 1.4% 2.7%
$200,000 - $300,000 0.8% 1.4% 4.3%
$300,000 - $500,000 1.6% 8.7% 17.1%
$500,000 - $1,000,000 12.5% 47.8% 42.1%
$1,000,000 and more 83% 38% 29.6%
Owner-occupied households
With a mortgage 76.2% 71.1% 67.4%
Without a mortgage 23.8% 28.9% 32.6%
Median monthly owner costs
With a mortgage $4,001 $3,435 $2,946
Without a mortgage $1,370 $1,009 $829
Gross rent
Median rent $2,968 $2,375 $2,036

Education Profile

How educated is the community and how education pays off

Adults with a college degree

71.6%
of adults 25+ with a bachelor's degree or higher
San Ramon 71.6%
Contra Costa County 45.2%
California 37.1%

Adults without a high school diploma

2.9%
of adults (25+) without a high school diploma
San Ramon 2.9%
Contra Costa County 10.4%
California 15.2%
School Enrollment
Who is enrolled in school and at what level

School enrollment

24,299
population (age 3+) enrolled in school
Nursery / Preschool
3.9%
K–12
73.4%
College / Undergraduate
16.7%
Graduate / Professional
6%

College-going rate (18-24 yr olds)

52.4%
of 18-24-year-olds in college or graduate school
San Ramon
52.4%
Contra Costa County
44.9%
California
46.8%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
San Ramon Contra Costa County California
Total enrolled (age 3+) 24,299 285,826 9,917,839
Nursery / preschool 3.9% 5.7% 5%
K–12 73.4% 67.8% 64.9%
Kindergarten 4.4% 5% 4.9%
Elementary: Grades 1–4 19.7% 19.4% 18.7%
Elementary: Grades 5–8 24.3% 20.5% 19.9%
High School: Grades 9–12 25% 23% 21.5%
College or graduate school 22.7% 26.5% 30.1%
College, undergraduate 16.7% 21.2% 24.3%
Graduate, professional school 6% 5.3% 5.8%
College-going rate · 18-24 yr olds 52.4% 44.9% 46.8%
School type
Public school 86.8% 83.5% 85%
Private school 13.2% 16.5% 15%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

58,069
population 25 years and over
Total adults (25+)
Less than 9th grade
1.4%
9th-12th, no diploma
1.5%
HS graduate
8%
Some college no degree
10.6%
Associates degree
6.8%
Bachelors degree
38.2%
Graduate or professional degree
33.4%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
37.2% · 62.8%
9th-12th, no diploma
46.8% · 53.2%
HS graduate
36.6% · 63.4%
Some college no degree
46.6% · 53.4%
Associates degree
41.9% · 58.1%
Bachelors degree
49.4% · 50.6%
Graduate or professional degree
50.9% · 49.1%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
San Ramon Contra Costa County California
Population (25+) 58,069 816,152 27,073,960
Less than 9th grade 1.4% 5.5% 8.7%
9th–12th, no diploma 1.5% 4.9% 6.5%
High school diploma or GED 8% 18% 20.5%
Some college, no degree 10.6% 18.4% 19.3%
Associate's degree 6.8% 8% 7.9%
Bachelor's degree or higher 71.6% 45.2% 37.1%
Bachelor's degree 38.2% 27.5% 22.7%
Graduate or professional 33.4% 17.7% 14.4%
High School or higher 97% 89.6% 84.7%
Earnings by education level
percentage as applicable

Median Earnings

$120,183
Median earnings for adults 25+, by level
Less than HS graduate
$50,819
HS graduate
$55,123
Some college or associates
$61,542
Bachelors degree
$126,639
Graduate or professional degree
$160,978

Poverty Rate

2.7%
for ages 25+, with bachelors degree or higher
Less than HS graduate
21.9%
HS graduate
7.8%
Some college or associates
7.7%
Bachelors degree or higher
2.7%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
San Ramon Contra Costa County California
Median earnings
Population 25+, with earnings $120,183 $71,603 $56,395
Less than high school graduate $50,819 $35,698 $32,480
High school graduate (includes equivalency) $55,123 $47,577 $41,382
Some college or associate's degree $61,542 $59,867 $50,157
Bachelor's degree $126,639 $97,980 $80,933
Graduate or professional degree $160,978 $126,324 $111,188
Poverty rates
Less than high school graduate 21.9% 15.6% 20%
High school graduate (includes equivalency) 7.8% 10.9% 13.9%
Some college or associate's degree 7.7% 8.7% 10.1%
Bachelor's degree or higher 2.7% 3.8% 5%

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