San Dimas Flag

San Dimas

County Seat:
No
Area (mi²):
15.034
State:
California

San Dimas is a city located in Los Angeles County, California. San Dimas has a 2026 population of 32,441. San Dimas is currently declining at a rate of -1.19% annually and its population has decreased by -6.77% since the most recent census, which recorded a population of 34,795 in 2020.

The median household income in San Dimas is $105,321 with a poverty rate of 9.9%. The median age in San Dimas is 43.3 years: 43.3 years for males, and 43.4 years for females. For every 100 females there are 92.6 males.

32.4K
Total Population
2,158
Density (mi²)
-392 -1.19%
Growth

San Dimas Population

San Dimas Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202632,441-392-1.19%
202532,833-393-1.18%
202433,226-111-0.33%
202333,337-275-0.82%
202233,612-465-1.36%
202134,077-831-2.38%
202034,7951,2613.76%
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%
201033,369-2-0.01%
200034,9802,5837.97%
199032,3978,38334.91%
198024,0148,32253.03%
197015,69213,852752.83%
19501,84000%

Median Age

Overall: 43.3 years
Female: 43.4 years
Male: 43.3 years

San Dimas Adults

There are 26,981 adults, (6,866 of whom are seniors) in San Dimas.

Sex Ratio

Female: 17,545 (51.9%)
Male: 16,244 (48.1%)

Demographics

The racial composition of San Dimas includes 40.91% White, 16.52% Asian, 13.2% other race, 3.55% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,82240.91%
Two or more races8,27124.48%
Asian5,58216.52%
Other race4,46113.2%
Black or African American1,1993.55%
Native American3601.07%
Native Hawaiian or Pacific Islander940.28%
Race
Population ↓
Percentage (of total)
Two or more races6,61319.57%
Other race4,31112.76%
White2,4337.2%
Native American3561.05%
Asian680.2%
Black or African American470.14%
Race
Population ↓
Percentage (of total)
White11,38933.71%
Asian5,51416.32%
Two or more races1,6584.91%
Black or African American1,1523.41%
Other race1500.44%
Native Hawaiian or Pacific Islander940.28%
Native American40.01%

San Dimas Marital Status

Economics and Income Statistics

San Dimas ' average per capita income is $57,841. Household income levels show a median of $105,321. The poverty rate stands at 9.9%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$147,223-
Families$128,892$160,165
Households$105,321$140,783
Non Families$52,095$74,671

$57,841

Average Income

$105,321

Median Household Income

9.9%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)