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Santa Rosa, CA

Last updated
Key Indicators
A quick look at key numbers

Population

177,090
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

41.2
years ∙ half population younger than 41.2, half older

Diversity Index

Low High
61.7%
chance two random people differ in race and ethnicity

Nativity

21.2%
foreign-born population
78.8%Native
21.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Santa Rosa is a city within Sonoma County, California, United States.
Location
City in Sonoma County, CA, US
Co-ordinates
DEC38.445824° N, 122.706181° W
DMS38° 26′ 44.97″ N, 122° 42′ 22.25″ W

Population Density & area

4,167/sq mi (1,607/km²)
Total Area
42.7 sq mi (110.7 km²)
Land Area
42.5 sq mi (110.2 km²) · 99.59%
Water Area
0.2 sq mi (0.5 km²) · 0.41%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

48.8% male
Male 48.8%
Female 51.2%
males per 100 females
Santa Rosa 95.2
Sonoma County 96.9
California 99.8

Nativity

21.2%
foreign-born population
78.8%Native
21.2% Foreign-born
% Foreign-born
Santa Rosa 21.2%
Sonoma County 16.8%
California 27%
Age Distribution
How the population is spread across age groups

Median Age

41.2
years ∙ half population younger than 41.2, half older
Santa Rosa
41.2
Sonoma County
42.9
California
37.9

Dependency ratio

Low High
64.1
dependents per 100 working-age adults
Santa Rosa 64.1
Sonoma County 68.3
California 60.4

AGE DISTRIBUTION

Distribution of age group
Median age
Santa Rosa Sonoma County California
Age Group
Children (Under 18) 20.1% 19% 22%
Working age (18-64) 60.9% 59.5% 62.3%
Senior (65+) 19% 21.5% 15.7%
Dependency ratio
Total dependency ratio 64.1 68.3 60.4
Child dependency ratio 33 32.1 35.2
Old-age dependency ratio 31.2 36.2 25.1
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
48.7%
Black
1.9%
Asian
6.3%
Hispanic
37.4%
Other
5.7%
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
61.7%
chance two random people differ in race and ethnicity
Santa Rosa 61.7%
Sonoma County 57%
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 Santa Rosa population
Santa Rosa Sonoma County California
Hispanic or Latino 37.4% 30% 40.2%
Mexican 31.4% 24.3% 32.3%
Puerto Rican 0.6% 0.5% 0.6%
Cuban 0.1% 0.2% 0.3%
Other Hispanic / Latino 5.3% 5.1% 7%
Not Hispanic or Latino 62.6% 70% 59.8%
One race 58.1% 65% 55.4%
White 48.7% 57.9% 33.8%
Black or African American 1.9% 1.5% 5.2%
American Indian and Alaska Native 0.3% 0.3% 0.3%
Asian 6.3% 4.3% 15.3%
Native Hawaiian and Other Pacific Islander 0.3% 0.3% 0.3%
Some Other Race 0.6% 0.7% 0.6%
Two or more races (Multiracial) 4.5% 5% 4.4%
Household & Families Composition
Household size, type, and family structure

Household structure

62.3% family
Family 62.3%
Non family 37.7%
% family households
Santa Rosa 62.3%
Sonoma County 63%
California 67.8%

Average household size

2.53
persons per household
Santa Rosa
2.53
Sonoma County
2.49
California
2.84

Household & Family COMPOSITION

Households
Percentage of Santa Rosa population
Santa Rosa Sonoma County California
Total households 68,321 190,998 13,548,091
Average houshold size 2.53 2.49 2.84
Family households 42,564 120,254 9,191,176
Average family size 3.13 3.05 3.41
Married couple family 30,765 90,465 6,557,184
Other families 11,799 29,789 2,633,992
Male householder 4,040 9,887 857,732
Female householder 7,759 19,902 1,776,260
Non-family households 25,757 70,744 4,356,915
One-person households 19,512 53,067 3,289,307
Male householder 7,440 21,167 1,493,062
Senior (65+) living alone 2,936 9,007 460,668
Female householder 12,072 31,900 1,796,245
Senior (65+) living alone 7,339 19,620 886,142
Other living arrangements 6,245 17,677 1,067,608

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

71,382
housing units
Santa Rosa 71,382
Sonoma County 207,699
California 14,644,735

Occupancy status

95.7% occupied
Occupied 95.7%
Vacant 4.3%
vacancy rate
Santa Rosa 4.3%
Sonoma County 8%
California 7.5%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

69.1%
Single family houses
Single family houses
69.1%
Apartments in multi-unit structures
26.8%
Mobile homes
3.9%
Boat, RV, van, etc
0.2%

Median Year Built

1980
Half of houses were built before 1980, and half after.
Historic ∙ 1939 or earlier
5.1%
Postwar & mid-century ∙ 1940 - 1969
24.1%
Late 20th century ∙ 1970 - 1999
49.6%
Modern ∙ 2000 or later
21.3%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Santa Rosa Sonoma County California
Rooms per unit
Median rooms 5 5.1 5
1–3 rooms 18.8% 17.1% 21%
4–6 rooms 58.7% 57.9% 54.7%
7+ rooms 22.6% 25.1% 24.4%
Bedrooms
No bedroom / studio 3.6% 2.8% 5%
1 bedroom 11.3% 11.1% 13.2%
2 bedrooms 32.1% 30% 26.9%
3 bedrooms 36.1% 38.2% 32.8%
4+ bedrooms 16.8% 17.9% 22.1%
At a glance
Median year built 1980 1979 1976
Total housing units 71,382 207,699 14,644,735
Occupancy Profile
Who is inside and how they use it

Homeownership

56.7% owners
Renter-occupied 43.3%
Owner-occupied 56.7%
homeownership rate
Santa Rosa 56.7%
Sonoma County 62.6%
California 55.9%

Average household size

2.52
Owner-occupied
2.54
Renter-occupied
owner-occupied average size
Santa Rosa 2.52
Sonoma County 2.51
California 2.95

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Santa Rosa Sonoma County California
Total occupied units 68,321 190,998 13,548,091
Year moved in
2020 or later 24.9% 21.7% 23.4%
2010 to 2019 42.7% 39.8% 41.2%
2000 to 2009 17.7% 18.1% 17%
1999 or earlier 14.7% 20.3% 18.5%
Occupants per room
1.00 or fewer 94.2% 95.2% 91.8%
1.01 to 1.50 3.4% 3.1% 5%
1.51 or more 2.4% 1.8% 3.2%
Vehicles availability
No vehicles 6.2% 4.8% 7.1%
1 vehicle 32.1% 29.8% 30.7%
2 vehicles 36.8% 37.4% 36.3%
3 or more vehicles 24.9% 28% 25.8%
House heating fuel used
Gas 69.8% 68.3% 64.4%
Electricity 27.1% 26.1% 29.5%
Solar 1.1% 1.2% 1.2%
Fuel oil, kerosene etc 0.2% 0.1% 0.2%
All other fuels 1.2% 3.5% 1.6%
No fuel used 0.7% 0.9% 3%
Selected characteristics
Lacking complete plumbing 0.7% 0.5% 0.4%
Lacking complete kitchen 1.3% 0.8% 1.2%
No telephone service available 0.8% 0.6% 0.9%
Housing Value
What owner-occupied units are worth

Median home value

$713,900
owner-occupied units
Median value(USD)
Santa Rosa
$713,900
Sonoma County
$815,500
California
$734,700

Housing Cost Burden

37.5%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
37.5%
Owners without a mortgage
19%
Renters
54.9%
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
Santa Rosa Sonoma County California
Property value
Median Value $713,900 $815,500 $734,700
Under $100,000 3.4% 3.3% 4.2%
$100,000 - $200,000 3.1% 3.2% 2.7%
$200,000 - $300,000 2.6% 2.2% 4.3%
$300,000 - $500,000 10.1% 7.6% 17.1%
$500,000 - $1,000,000 65.5% 56.2% 42.1%
$1,000,000 and more 15.2% 27.6% 29.6%
Owner-occupied households
With a mortgage 68.3% 65.9% 67.4%
Without a mortgage 31.7% 34.1% 32.6%
Median monthly owner costs
With a mortgage $2,894 $3,040 $2,946
Without a mortgage $854 $927 $829
Gross rent
Median rent $2,152 $2,158 $2,036

Education Profile

How educated is the community and how education pays off

Adults with a college degree

35.1%
of adults 25+ with a bachelor's degree or higher
Santa Rosa 35.1%
Sonoma County 38.5%
California 37.1%

Adults without a high school diploma

14.6%
of adults (25+) without a high school diploma
Santa Rosa 14.6%
Sonoma County 11.3%
California 15.2%
School Enrollment
Who is enrolled in school and at what level

School enrollment

39,431
population (age 3+) enrolled in school
Nursery / Preschool
4.7%
K–12
68.6%
College / Undergraduate
22.7%
Graduate / Professional
4%

College-going rate (18-24 yr olds)

37.7%
of 18-24-year-olds in college or graduate school
Santa Rosa
37.7%
Sonoma County
42.8%
California
46.8%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Santa Rosa Sonoma County California
Total enrolled (age 3+) 39,431 105,177 9,917,839
Nursery / preschool 4.7% 4.8% 5%
K–12 68.6% 67% 64.9%
Kindergarten 4.8% 5.8% 4.9%
Elementary: Grades 1–4 17.9% 18.2% 18.7%
Elementary: Grades 5–8 23.4% 20.9% 19.9%
High School: Grades 9–12 22.4% 22.1% 21.5%
College or graduate school 26.8% 28.1% 30.1%
College, undergraduate 22.7% 23.7% 24.3%
Graduate, professional school 4% 4.4% 5.8%
College-going rate · 18-24 yr olds 37.7% 42.8% 46.8%
School type
Public school 89.9% 88.7% 85%
Private school 10.1% 11.3% 15%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

127,459
population 25 years and over
Total adults (25+)
Less than 9th grade
8.8%
9th-12th, no diploma
5.8%
HS graduate
19.1%
Some college no degree
21.4%
Associates degree
9.8%
Bachelors degree
21.5%
Graduate or professional degree
13.6%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
53.6% · 46.4%
9th-12th, no diploma
54.3% · 45.7%
HS graduate
50.3% · 49.7%
Some college no degree
48.8% · 51.2%
Associates degree
41.7% · 58.3%
Bachelors degree
46.6% · 53.4%
Graduate or professional degree
44.9% · 55.1%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Santa Rosa Sonoma County California
Population (25+) 127,459 354,661 27,073,960
Less than 9th grade 8.8% 6.6% 8.7%
9th–12th, no diploma 5.8% 4.7% 6.5%
High school diploma or GED 19.1% 18.8% 20.5%
Some college, no degree 21.4% 22.2% 19.3%
Associate's degree 9.8% 9.2% 7.9%
Bachelor's degree or higher 35.1% 38.5% 37.1%
Bachelor's degree 21.5% 23.9% 22.7%
Graduate or professional 13.6% 14.6% 14.4%
High School or higher 85.4% 88.7% 84.7%
Earnings by education level
percentage as applicable

Median Earnings

$57,963
Median earnings for adults 25+, by level
Less than HS graduate
$40,293
HS graduate
$45,683
Some college or associates
$55,046
Bachelors degree
$80,403
Graduate or professional degree
$95,856

Poverty Rate

3.6%
for ages 25+, with bachelors degree or higher
Less than HS graduate
19.7%
HS graduate
12%
Some college or associates
9.2%
Bachelors degree or higher
3.6%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Santa Rosa Sonoma County California
Median earnings
Population 25+, with earnings $57,963 $59,929 $56,395
Less than high school graduate $40,293 $38,865 $32,480
High school graduate (includes equivalency) $45,683 $47,008 $41,382
Some college or associate's degree $55,046 $55,532 $50,157
Bachelor's degree $80,403 $80,301 $80,933
Graduate or professional degree $95,856 $95,166 $111,188
Poverty rates
Less than high school graduate 19.7% 16.4% 20%
High school graduate (includes equivalency) 12% 11.2% 13.9%
Some college or associate's degree 9.2% 8.6% 10.1%
Bachelor's degree or higher 3.6% 4.7% 5%

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