Brisbane, CA

City in San Mateo County, CA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

4,692

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

Median Age

43.6

years ∙ half population younger than 43.6, half older

Diversity Index

68.2%

chance two random people differ in race and ethnicity

Nativity

34.5%

foreign-born population

65.5%Native

34.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Brisbane is a city within San Mateo County, California, United States.

Location

City in San Mateo County, CA, US

Co-ordinates

DEC37.675750° N, 122.383302° W

DMS37° 40′ 32.70″ N, 122° 22′ 59.89″ W

Population Density & area

1,564/sq mi (609.4/km²)

Total Area

20 sq mi (51.7 km²)

Land Area

3 sq mi (7.7 km²) · 15%

Water Area

17 sq mi (44 km²) · 85%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

50.7% male

Male 50.7%

Female 49.3%

males per 100 females

Brisbane 102.8

San Mateo County 99.3

California 99.8

Nativity

34.5%

foreign-born population

65.5%Native

34.5% Foreign-born

% Foreign-born

Brisbane 34.5%

San Mateo County 35.7%

California 27%

Age Distribution

How the population is spread across age groups

Median Age

43.6

years ∙ half population younger than 43.6, half older

Brisbane

43.6

San Mateo County

40.9

California

37.9

Dependency ratio

60.2

dependents per 100 working-age adults

Brisbane 60.2

San Mateo County 59.6

California 60.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Brisbane	San Mateo County	California
Age Group
Children (Under 18)	20.6%	19.5%	22%
Working age (18-64)	62.4%	62.7%	62.3%
Senior (65+)	17%	17.8%	15.7%
Dependency ratio
Total dependency ratio	60.2	59.6	60.4
Child dependency ratio	32.9	31.2	35.2
Old-age dependency ratio	27.2	28.4	25.1

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

42.9%

Black

Asian

31%

Hispanic

17.9%

Other

8.2%

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

68.2%

chance two random people differ in race and ethnicity

Brisbane 68.2%

San Mateo County 71.8%

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 Brisbane population

	Brisbane	San Mateo County	California
Hispanic or Latino	17.9%	24.9%	40.2%
Mexican	11%	14.4%	32.3%
Puerto Rican	0%	0.6%	0.6%
Cuban	0%	0.2%	0.3%
Other Hispanic / Latino	6.8%	9.8%	7%
Not Hispanic or Latino	82.1%	75.1%	59.8%
One race	74.6%	69.9%	55.4%
White	42.9%	34.7%	33.8%
Black or African American	0%	2%	5.2%
American Indian and Alaska Native	0%	0.1%	0.3%
Asian	31%	31%	15.3%
Native Hawaiian and Other Pacific Islander	0.3%	1.1%	0.3%
Some Other Race	0.4%	0.9%	0.6%
Two or more races (Multiracial)	7.5%	5.2%	4.4%

Household & Families Composition

Household size, type, and family structure

Household structure

56.5% family

Family 56.5%

Non family 43.5%

% family households

Brisbane 56.5%

San Mateo County 67.9%

California 67.8%

Average household size

2.45

persons per household

Brisbane

2.45

San Mateo County

2.76

California

2.84

Household & Family COMPOSITION

Households

Percentage of Brisbane population

	Brisbane	San Mateo County	California
Total households	1,912	264,419	13,548,091
Average houshold size	2.45	2.76	2.84
Family households	1,080	179,491	9,191,176
Average family size	3.28	3.29	3.41
Married couple family	778	141,517	6,557,184
Other families	302	37,974	2,633,992
Male householder	124	12,212	857,732
Female householder	178	25,762	1,776,260
Non-family households	832	84,928	4,356,915
One-person households	643	64,481	3,289,307
Male householder	373	28,474	1,493,062
Senior (65+) living alone	46	8,355	460,668
Female householder	270	36,007	1,796,245
Senior (65+) living alone	143	17,867	886,142
Other living arrangements	189	20,447	1,067,608

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

2,104

housing units

Brisbane 2,104

San Mateo County 287,184

California 14,644,735

Occupancy status

90.9% occupied

Occupied 90.9%

Vacant 9.1%

vacancy rate

Brisbane 9.1%

San Mateo County 7.9%

California 7.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

52.7%

Single family houses

52.7%

Apartments in multi-unit structures

42.2%

Mobile homes

5.1%

Boat, RV, van, etc

Median Year Built

1973

Half of houses were built before 1973, and half after.

Historic ∙ 1939 or earlier

12.9%

Postwar & mid-century ∙ 1940 - 1969

35.5%

Late 20th century ∙ 1970 - 1999

26.7%

Modern ∙ 2000 or later

24.8%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Brisbane	San Mateo County	California
Rooms per unit
Median rooms	4.2	5	5
1–3 rooms	38.6%	25.2%	21%
4–6 rooms	41.1%	49.3%	54.7%
7+ rooms	20.3%	25.5%	24.4%
Bedrooms
No bedroom / studio	3.5%	5.7%	5%
1 bedroom	31.7%	16.4%	13.2%
2 bedrooms	25.3%	24.9%	26.9%
3 bedrooms	24.6%	31.6%	32.8%
4+ bedrooms	15%	21.4%	22.1%
At a glance
Median year built	1973	1966	1976
Total housing units	2,104	287,184	14,644,735

Occupancy Profile

Who is inside and how they use it

Homeownership

54.7% owners

Renter-occupied 45.3%

Owner-occupied 54.7%

homeownership rate

Brisbane 54.7%

San Mateo County 58.5%

California 55.9%

Average household size

2.93

Owner-occupied

1.87

Renter-occupied

owner-occupied average size

Brisbane 2.93

San Mateo County 2.89

California 2.95

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Brisbane	San Mateo County	California
Total occupied units	1,912	264,419	13,548,091
Year moved in
2020 or later	15.3%	23.8%	23.4%
2010 to 2019	45%	34.4%	41.2%
2000 to 2009	24.1%	17.4%	17%
1999 or earlier	15.6%	24.3%	18.5%
Occupants per room
1.00 or fewer	95.4%	92.5%	91.8%
1.01 to 1.50	1.8%	4%	5%
1.51 or more	2.8%	3.5%	3.2%
Vehicles availability
No vehicles	3.3%	5.8%	7.1%
1 vehicle	34.2%	31.2%	30.7%
2 vehicles	49.3%	38.2%	36.3%
3 or more vehicles	13.2%	24.8%	25.8%
House heating fuel used
Gas	68.6%	64.9%	64.4%
Electricity	31.4%	31.8%	29.5%
Solar	0%	0.6%	1.2%
Fuel oil, kerosene etc	0%	0.1%	0.2%
All other fuels	0%	0.6%	1.6%
No fuel used	0%	2%	3%
Selected characteristics
Lacking complete plumbing	0%	0.3%	0.4%
Lacking complete kitchen	0%	1.1%	1.2%
No telephone service available	1.6%	1%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$1,232,200

owner-occupied units

Median value(USD)

Brisbane

$1,232,200

San Mateo County

$1,559,600

California

$734,700

Housing Cost Burden

60.1%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

60.1%

Owners without a mortgage

24.6%

Renters

35.8%

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

	Brisbane	San Mateo County	California
Property value
Median Value	$1,232,200	$1,559,600	$734,700
Under $100,000	1.4%	1.9%	4.2%
$100,000 - $200,000	2.3%	1.4%	2.7%
$200,000 - $300,000	0%	0.8%	4.3%
$300,000 - $500,000	0%	1.5%	17.1%
$500,000 - $1,000,000	28.8%	13.9%	42.1%
$1,000,000 and more	67.5%	80.6%	29.6%
Owner-occupied households
With a mortgage	70.5%	66.1%	67.4%
Without a mortgage	29.5%	33.9%	32.6%
Median monthly owner costs
With a mortgage	$4,001	$4,001	$2,946
Without a mortgage	$1,191	$1,113	$829
Gross rent
Median rent	$2,574	$2,922	$2,036

Education Profile

How educated is the community and how education pays off

Adults with a college degree

50.6%

of adults 25+ with a bachelor's degree or higher

Brisbane 50.6%

San Mateo County 53.7%

California 37.1%

Adults without a high school diploma

10.8%

of adults (25+) without a high school diploma

Brisbane 10.8%

San Mateo County 9.7%

California 15.2%

School Enrollment

Who is enrolled in school and at what level

School enrollment

1,269

population (age 3+) enrolled in school

Nursery / Preschool

6.4%

K–12

63.5%

College / Undergraduate

22.1%

Graduate / Professional

College-going rate (18-24 yr olds)

68.7%

of 18-24-year-olds in college or graduate school

Brisbane

68.7%

San Mateo County

47.5%

California

46.8%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Brisbane	San Mateo County	California
Total enrolled (age 3+)	1,269	168,281	9,917,839
Nursery / preschool	6.4%	6.9%	5%
K–12	63.5%	63.7%	64.9%
Kindergarten	8.6%	5.1%	4.9%
Elementary: Grades 1–4	18.8%	17.9%	18.7%
Elementary: Grades 5–8	18%	19.9%	19.9%
High School: Grades 9–12	18.2%	20.9%	21.5%
College or graduate school	30.1%	29.4%	30.1%
College, undergraduate	22.1%	22.6%	24.3%
Graduate, professional school	8%	6.8%	5.8%
College-going rate · 18-24 yr olds	68.7%	47.5%	46.8%
School type
Public school	82.9%	75%	85%
Private school	17.1%	25%	15%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

3,376

population 25 years and over

Total adults (25+)

Less than 9th grade

5.4%

9th-12th, no diploma

5.4%

HS graduate

12.2%

Some college no degree

19.1%

Associates degree

7.3%

Bachelors degree

27.4%

Graduate or professional degree

23.2%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

50.3% · 49.7%

9th-12th, no diploma

78.6% · 21.4%

HS graduate

71.2% · 28.8%

Some college no degree

52.7% · 47.3%

Associates degree

38.2% · 61.8%

Bachelors degree

49.8% · 50.2%

Graduate or professional degree

52.2% · 47.8%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Brisbane	San Mateo County	California
Population (25+)	3,376	542,805	27,073,960
Less than 9th grade	5.4%	6%	8.7%
9th–12th, no diploma	5.4%	3.7%	6.5%
High school diploma or GED	12.2%	14.7%	20.5%
Some college, no degree	19.1%	15.1%	19.3%
Associate's degree	7.3%	6.8%	7.9%
Bachelor's degree or higher	50.6%	53.7%	37.1%
Bachelor's degree	27.4%	29.6%	22.7%
Graduate or professional	23.2%	24.1%	14.4%
High School or higher	89.2%	90.2%	84.7%

Earnings by education level

percentage as applicable

Median Earnings

$85,100

Median earnings for adults 25+, by level

Less than HS graduate

$44,387

HS graduate

$250,001

Some college or associates

$61,316

Bachelors degree

$109,853

Graduate or professional degree

$99,205

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

26%

HS graduate

Some college or associates

5.6%

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Brisbane	San Mateo County	California
Median earnings
Population 25+, with earnings	$85,100	$83,175	$56,395
Less than high school graduate	$44,387	$36,470	$32,480
High school graduate (includes equivalency)	$250,001	$46,394	$41,382
Some college or associate's degree	$61,316	$60,282	$50,157
Bachelor's degree	$109,853	$104,312	$80,933
Graduate or professional degree	$99,205	$159,182	$111,188
Poverty rates
Less than high school graduate	26%	17%	20%
High school graduate (includes equivalency)	0%	9.7%	13.9%
Some college or associate's degree	5.6%	7%	10.1%
Bachelor's degree or higher	0%	3.4%	5%

Insights for Brisbane, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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