Montclair, CA

City in San Bernardino County, CA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

37,810

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

Median Age

33.7

years ∙ half population younger than 33.7, half older

Diversity Index

45.1%

chance two random people differ in race and ethnicity

Nativity

30.8%

foreign-born population

69.2%Native

30.8% Foreign-born

Geographic Context

Location, size, and surroundings

About

Montclair is a city within San Bernardino County, California, United States.

Location

City in San Bernardino County, CA, US

Co-ordinates

DEC34.071493° N, 117.698080° W

DMS34° 04′ 17.37″ N, 117° 41′ 53.09″ W

Population Density & area

6,837/sq mi (2,639/km²)

Total Area

5.53 sq mi (14.33 km²)

Land Area

5.53 sq mi (14.33 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

49% male

Male 49%

Female 51%

males per 100 females

Montclair 96.2

San Bernardino County 100.1

California 99.8

Nativity

30.8%

foreign-born population

69.2%Native

30.8% Foreign-born

% Foreign-born

Montclair 30.8%

San Bernardino County 21.6%

California 27%

Age Distribution

How the population is spread across age groups

Median Age

33.7

years ∙ half population younger than 33.7, half older

Montclair

33.7

San Bernardino County

34.7

California

37.9

Dependency ratio

55.2

dependents per 100 working-age adults

Montclair 55.2

San Bernardino County 61.6

California 60.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Montclair	San Bernardino County	California
Age Group
Children (Under 18)	23.5%	25.5%	22%
Working age (18-64)	64.4%	61.9%	62.3%
Senior (65+)	12.1%	12.6%	15.7%
Dependency ratio
Total dependency ratio	55.2	61.6	60.4
Child dependency ratio	36.4	41.2	35.2
Old-age dependency ratio	18.8	20.4	25.1

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

9.7%

Black

5.9%

Asian

10.1%

Hispanic

72.5%

Other

1.8%

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

45.1%

chance two random people differ in race and ethnicity

Montclair 45.1%

San Bernardino County 62.1%

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 Montclair population

	Montclair	San Bernardino County	California
Hispanic or Latino	72.5%	55.2%	40.2%
Mexican	62.2%	46.8%	32.3%
Puerto Rican	0.8%	0.7%	0.6%
Cuban	0.2%	0.3%	0.3%
Other Hispanic / Latino	9.3%	7.4%	7%
Not Hispanic or Latino	27.5%	44.8%	59.8%
One race	26.2%	41.3%	55.4%
White	9.7%	24.7%	33.8%
Black or African American	5.9%	7.5%	5.2%
American Indian and Alaska Native	0.1%	0.3%	0.3%
Asian	10.1%	8.1%	15.3%
Native Hawaiian and Other Pacific Islander	0.1%	0.3%	0.3%
Some Other Race	0.4%	0.6%	0.6%
Two or more races (Multiracial)	1.3%	3.5%	4.4%

Household & Families Composition

Household size, type, and family structure

Household structure

80.1% family

Family 80.1%

Non family 19.9%

% family households

Montclair 80.1%

San Bernardino County 75.9%

California 67.8%

Average household size

3.52

persons per household

Montclair

3.52

San Bernardino County

3.2

California

2.84

Household & Family COMPOSITION

Households

Percentage of Montclair population

	Montclair	San Bernardino County	California
Total households	10,652	674,915	13,548,091
Average houshold size	3.52	3.2	2.84
Family households	8,527	512,558	9,191,176
Average family size	3.89	3.64	3.41
Married couple family	5,117	342,001	6,557,184
Other families	3,410	170,557	2,633,992
Male householder	854	56,660	857,732
Female householder	2,556	113,897	1,776,260
Non-family households	2,125	162,357	4,356,915
One-person households	1,684	122,902	3,289,307
Male householder	858	56,895	1,493,062
Senior (65+) living alone	347	19,368	460,668
Female householder	826	66,007	1,796,245
Senior (65+) living alone	405	33,357	886,142
Other living arrangements	441	39,455	1,067,608

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

10,974

housing units

Montclair 10,974

San Bernardino County 743,886

California 14,644,735

Occupancy status

97.1% occupied

Occupied 97.1%

Vacant 2.9%

vacancy rate

Montclair 2.9%

San Bernardino County 9.3%

California 7.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

63.5%

Single family houses

63.5%

Apartments in multi-unit structures

28.2%

Mobile homes

8.2%

Boat, RV, van, etc

0.3%

Median Year Built

1969

Half of houses were built before 1969, and half after.

Historic ∙ 1939 or earlier

1.3%

Postwar & mid-century ∙ 1940 - 1969

49.8%

Late 20th century ∙ 1970 - 1999

32.7%

Modern ∙ 2000 or later

16.3%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Montclair	San Bernardino County	California
Rooms per unit
Median rooms	5.2	5.4	5
1–3 rooms	16.7%	13.7%	21%
4–6 rooms	60.7%	58.2%	54.7%
7+ rooms	22.6%	28%	24.4%
Bedrooms
No bedroom / studio	4.9%	2.6%	5%
1 bedroom	8.1%	8.2%	13.2%
2 bedrooms	27.1%	25.2%	26.9%
3 bedrooms	36.4%	36.6%	32.8%
4+ bedrooms	23.4%	27.3%	22.1%
At a glance
Median year built	1969	1984	1976
Total housing units	10,974	743,886	14,644,735

Occupancy Profile

Who is inside and how they use it

Homeownership

54.8% owners

Renter-occupied 45.2%

Owner-occupied 54.8%

homeownership rate

Montclair 54.8%

San Bernardino County 62.1%

California 55.9%

Average household size

3.41

Owner-occupied

3.64

Renter-occupied

owner-occupied average size

Montclair 3.41

San Bernardino County 3.27

California 2.95

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Montclair	San Bernardino County	California
Total occupied units	10,652	674,915	13,548,091
Year moved in
2020 or later	17.4%	22.1%	23.4%
2010 to 2019	42.4%	43.8%	41.2%
2000 to 2009	19.2%	17.9%	17%
1999 or earlier	21.1%	16.3%	18.5%
Occupants per room
1.00 or fewer	85.5%	90.7%	91.8%
1.01 to 1.50	9%	6.4%	5%
1.51 or more	5.5%	2.9%	3.2%
Vehicles availability
No vehicles	5.4%	4.6%	7.1%
1 vehicle	23.6%	25.4%	30.7%
2 vehicles	36.1%	36.2%	36.3%
3 or more vehicles	34.9%	33.8%	25.8%
House heating fuel used
Gas	69.8%	73.9%	64.4%
Electricity	23.1%	21.4%	29.5%
Solar	0.9%	1.2%	1.2%
Fuel oil, kerosene etc	0%	0.1%	0.2%
All other fuels	0.6%	1.7%	1.6%
No fuel used	5.7%	1.7%	3%
Selected characteristics
Lacking complete plumbing	1.1%	0.4%	0.4%
Lacking complete kitchen	1.1%	1%	1.2%
No telephone service available	0.6%	0.9%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$569,100

owner-occupied units

Median value(USD)

Montclair

$569,100

San Bernardino County

$505,000

California

$734,700

Housing Cost Burden

34.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

34.9%

Owners without a mortgage

19.7%

Renters

62.7%

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

	Montclair	San Bernardino County	California
Property value
Median Value	$569,100	$505,000	$734,700
Under $100,000	11%	6.8%	4.2%
$100,000 - $200,000	4%	3.9%	2.7%
$200,000 - $300,000	2.4%	6.2%	4.3%
$300,000 - $500,000	17.7%	32.4%	17.1%
$500,000 - $1,000,000	63.4%	44.7%	42.1%
$1,000,000 and more	1.5%	5.9%	29.6%
Owner-occupied households
With a mortgage	63.6%	68.7%	67.4%
Without a mortgage	36.4%	31.3%	32.6%
Median monthly owner costs
With a mortgage	$2,227	$2,368	$2,946
Without a mortgage	$638	$678	$829
Gross rent
Median rent	$1,889	$1,801	$2,036

Education Profile

How educated is the community and how education pays off

Adults with a college degree

18.8%

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

Montclair 18.8%

San Bernardino County 23.3%

California 37.1%

Adults without a high school diploma

25.8%

of adults (25+) without a high school diploma

Montclair 25.8%

San Bernardino County 17.5%

California 15.2%

School Enrollment

Who is enrolled in school and at what level

School enrollment

10,763

population (age 3+) enrolled in school

Nursery / Preschool

5.4%

K–12

61.5%

College / Undergraduate

28.1%

Graduate / Professional

College-going rate (18-24 yr olds)

49.3%

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

Montclair

49.3%

San Bernardino County

39.4%

California

46.8%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Montclair	San Bernardino County	California
Total enrolled (age 3+)	10,763	601,433	9,917,839
Nursery / preschool	5.4%	4%	5%
K–12	61.5%	69.4%	64.9%
Kindergarten	2.6%	5%	4.9%
Elementary: Grades 1–4	16.6%	20%	18.7%
Elementary: Grades 5–8	18.1%	21.7%	19.9%
High School: Grades 9–12	24.2%	22.7%	21.5%
College or graduate school	33%	26.6%	30.1%
College, undergraduate	28.1%	22%	24.3%
Graduate, professional school	5%	4.6%	5.8%
College-going rate · 18-24 yr olds	49.3%	39.4%	46.8%
School type
Public school	90.7%	88.3%	85%
Private school	9.3%	11.7%	15%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

24,436

population 25 years and over

Total adults (25+)

Less than 9th grade

14.8%

9th-12th, no diploma

11%

HS graduate

27.8%

Some college no degree

19.6%

Associates degree

Bachelors degree

12.1%

Graduate or professional degree

6.7%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

47% · 53%

9th-12th, no diploma

50.1% · 49.9%

HS graduate

49.5% · 50.5%

Some college no degree

49.9% · 50.1%

Associates degree

45.3% · 54.7%

Bachelors degree

43.7% · 56.3%

Graduate or professional degree

35.8% · 64.2%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Montclair	San Bernardino County	California
Population (25+)	24,436	1,421,562	27,073,960
Less than 9th grade	14.8%	8.5%	8.7%
9th–12th, no diploma	11%	9%	6.5%
High school diploma or GED	27.8%	28.5%	20.5%
Some college, no degree	19.6%	22.2%	19.3%
Associate's degree	8%	8.5%	7.9%
Bachelor's degree or higher	18.8%	23.3%	37.1%
Bachelor's degree	12.1%	14.9%	22.7%
Graduate or professional	6.7%	8.4%	14.4%
High School or higher	74.2%	82.5%	84.7%

Earnings by education level

percentage as applicable

Median Earnings

$46,137

Median earnings for adults 25+, by level

Less than HS graduate

$32,367

HS graduate

$42,138

Some college or associates

$50,913

Bachelors degree

$63,503

Graduate or professional degree

$84,734

Poverty Rate

11.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

16.5%

HS graduate

13.7%

Some college or associates

13.3%

Bachelors degree or higher

11.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Montclair	San Bernardino County	California
Median earnings
Population 25+, with earnings	$46,137	$48,664	$56,395
Less than high school graduate	$32,367	$35,075	$32,480
High school graduate (includes equivalency)	$42,138	$41,622	$41,382
Some college or associate's degree	$50,913	$48,107	$50,157
Bachelor's degree	$63,503	$66,516	$80,933
Graduate or professional degree	$84,734	$93,468	$111,188
Poverty rates
Less than high school graduate	16.5%	19.7%	20%
High school graduate (includes equivalency)	13.7%	13.9%	13.9%
Some college or associate's degree	13.3%	9.7%	10.1%
Bachelor's degree or higher	11.1%	5.7%	5%

Insights for Montclair, 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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