San Dimas, CA Population

Overview

34,775

Total Population

42.6

Median age

53.09%

Female population %

88.4:100

Gender ratio (M:F)

50-54 years

Largest age group

56.0

Total dependency ratio

White

Largest racial group

11,989

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

San Dimas's population is old compared to the rest of the country:

The median age in San Dimas is 42.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
San Dimas's population under 18 was 20.61%, compared to the 22.51% nationwide.
San Dimas's elderly or the senior population (over 65 age) was 19.13% as compared to 16.04% nationwide.
Of the total population in San Dimas, 16.77% were under the age of 15, 16.25% aged 15 to 29, 47.84% aged 30 to 64, 17.46% aged 65 to 84, and 1.68% were 85 years of age and older.

There are 2,147 more females than males in San Dimas:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 53.09% females and 46.91% males in San Dimas, CA.
The San Dimas, CA gender ratio is 88.4:100 i.e. 88.4 men to 100 women (0.884).
For male population, the largest age group is 50-54 years with a population of 1,610.
For the female population, the largest age group is 30-34 years with a population of 1,766.

San Dimas's population has become increasingly diverse:

Racial distribution of San Dimas population: 59% are White, 2.84% are Black or African American, 0.68% are American Indian and Alaska Native, 16.51% are Asian, 0.24% are Native Hawaiian and other Pacific Islander, 6.23% are some other race and 14.50% are multiracial.
San Dimas's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 11,989 is Hispanic or Latino (of any race), and 22,786 (65.52% of the total population) is Non-Hispanic.
The largest racial group in San Dimas is White with a population of 20,516 (59% of the total population).

San Dimas's population has already reached its peak and is showing a trend of decline:

The peak population was 35,635 in the year 2003
From 2000 to 2010, San Dimas's population decreased by 1,535 (4.40%), as compared to the national growth of 9.63%.
From 2010 to 2020, San Dimas's population increased by 1,435 (4.30%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, San Dimas's population was lowest in year 2010 at 33,369.