San Dimas, California Population 2024

32,266

San Dimas is a city located in Los Angeles County California. San Dimas has a 2024 population of 32,266. San Dimas is currently declining at a rate of -1.93% annually and its population has decreased by -7.29% since the most recent census, which recorded a population of 34,804 in 2020.

The average household income in San Dimas is $129,863 with a poverty rate of 9.31%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Dimas is 42.7 years, 42.7 years for males, and 42.7 years for females.

San Dimas Demographics

According to the most recent ACS, the racial composition of San Dimas was:

  • White: 53.6%
  • Two or more races: 17.87%
  • Asian: 15.76%
  • Other race: 8.46%
  • Black or African American: 3.19%
  • Native American: 0.89%
  • Native Hawaiian or Pacific Islander: 0.22%
Land Area (mi²)
15.0 sq mi
Density (mi²)
2,145.60/sq mi
Growth Since 2020
-7.29% (-2,538)
The current population of San Dimas, California is 32,266 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 34,804.

San Dimas, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White18,47453.6%
Two or more races6,15817.87%
Asian5,43315.76%
Other race2,9178.46%
Black or African American1,1003.19%
Native American3080.89%
Native Hawaiian or Pacific Islander760.22%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

San Dimas Population by Race

San Dimas Population Pyramid 2024

San Dimas Median Age

42.7

Total

42.7

Male

42.7

Female

San Dimas Adults

There are 27,506 adults, (6,253 of whom are seniors) in San Dimas.

San Dimas Age Dependency

62.2

Age Dependency Ratio

29.4

Old Age Dependency Ratio

32.7

Child Dependency Ratio

San Dimas Sex Ratio

Female17,95552.09%
Male16,51147.91%

San Dimas Population by Age

San Dimas Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All12,0262.8170.929.1
Married6,6283.3178.521.5
Non Family3,0881.2860.339.7
Female1,5453.3466.333.7
Male7653.5457.142.9

3.23

Average Family Size

2.81

Average Household Size

70.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Dimas Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Dimas Educational Attainment by Sex (over 25)

San Dimas Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 66.38%.

San Dimas Educational Attainment by Race

All

Male

Female

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$56,759

Average Earnings

$61,034

Average Male

$50,616

Average Female

San Dimas Earnings by Educational Attainment

San Dimas Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Dimas Language

66.21% of San Dimas residents speak only English, while 33.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 17.65% of the population.

San Dimas Language

San Dimas Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Hispanic12,3961,33610.78%
White13,5471,2799.44%
Other2,83852818.6%
Multiple6,1285288.62%
Asian5,3592945.49%
Black1,0321039.98%

9.31%

Overall Poverty Rate

8.24%

Male Poverty Rate

10.28%

Female Poverty Rate

Poverty in San Dimas

The race most likely to be in poverty in San Dimas is Other, with 18.6% below the poverty level.

The race least likely to be in poverty in San Dimas is Asian, with 5.49% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.79%. Among those working part-time, it was 9.12%, and for those that did not work, the poverty rate was 17.24%.

San Dimas Poverty

rate

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Rate
Poverty
Less Than 9th Grade30.54%
High School12.24%
Some College6.46%
Bachelors or Greater4.51%

San Dimas Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed15.21%
Male Unemployed9.49%
Male Employed5.18%
Female Employed3.34%

San Dimas Poverty Rate by Employment Status and Sex

San Dimas Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

San Dimas Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.0%

Overall Marriage Rate

54.7%

Male Marriage Rate

49.6%

Female Marriage Rate

San Dimas Married by Age and Sex

male

female

San Dimas Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

San Dimas Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Dimas Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,551

Number of Veterans

1,383

Male Veterans

168

Female Veterans

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San Dimas Veterans by War

count

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San Dimas Veterans by Age

count

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San Dimas Veterans by Race

San Dimas Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.09%

Veteran Poverty Rate

43%

Veteran Disability Rate

San Dimas Veterans by Education

LaborForceParticipation

63%

Labor Force Participation

59.7%

Employment Rate

5.2%

Unemployment Rate

San Dimas Employment by Age

LaborForceParticipation

San Dimas Employment by Race

LaborForceParticipation

San Dimas Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

66.25%

Born in San Dimas

80.03%

Native Born

19.97%

Foreign Born

5.46%

Non Citizen

14.51%

Naturalized

Place of Birth

80.03% of San Dimas residents were born in the United States, with 66.25% having been born in California. 5.46% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

San Dimas Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202929,093-635-2.14%
202829,728-634-2.09%
202730,362-635-2.05%
202630,997-634-2%
202531,631-635-1.97%
202432,266-634-1.93%
202332,900-635-1.89%
202233,535-551-1.62%
202134,086-718-2.06%
202034,8041,2703.79%
201933,534-354-1.04%
201833,888-285-0.83%
201734,173-185-0.54%
201634,358-102-0.3%
201534,4602550.75%
201434,2053851.14%
201333,8201990.59%
201233,6211300.39%
201133,4911220.37%
201033,36900%
200034,9802,5837.97%
199032,3978,38334.91%
198024,0148,32253.03%
197015,69213,852752.83%
19501,840-27,253-93.68%
showing: 25 rows

San Dimas Population by Year