San Dimas, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of San Dimas, California is 34,099 as of the 2023 American Community Survey, making it the 244th-largest city in California. The median household income is $105,833, the median home value is $756,200, and the median age is 42.8.
The population has declined 0.5% since 2010 (33,377 → 33,226).
34,099
Population
2268
People / sq mi
$105,833
Median Income
$756,200
Median Home Value
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San Dimas covers 15.0 sq mi of land at 2268 people per square mile.
About San Dimas, CA
In San Dimas, home values do the distinguishing — a median of $756,200. San Dimas is a city in California with a population of 34,099.
The typical household earns $105,833 a year, above the US median of $78,538. About 6.2% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $756,200, with typical rent around $2,232.
Roughly 40.3% of adults have a bachelor’s, above the national 35.0%. About 15.3% of the workforce is home-based, above the national 14.0%, and the average commute runs about 32 minutes each way.
High housing values reframe the income picture in San Dimas — even solid earnings stretch less against home prices and rents at this level.
San Dimas city Population History (2010-2024)
The city of San Dimas city had a population of 33,377 in 2010 and 33,226 in 2024, a -0.5% growth over 14 years. The peak was 34,795 in 2020. Average annual growth rate: -0.02%.
33,226
Population (2024)
33,377
Population (2010)
34,795
Peak (2020)
-0.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 33,377 |
| 2011 | 33,509 |
| 2012 | 33,637 |
| 2013 | 33,745 |
| 2014 | 34,319 |
| 2015 | 34,344 |
| 2016 | 34,236 |
| 2017 | 34,128 |
| 2018 | 33,881 |
| 2019 | 33,621 |
| 2020 | 34,795 |
| 2021 | 34,077 |
| 2022 | 33,612 |
| 2023 | 33,337 |
| 2024 | 33,226 |
Race & Ethnicity
| White | 46.2% |
| Black or African American | 3.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.2% |
Economy & Income
$105,833
Median Household Income
$49,568
Per Capita Income
6.2%
Poverty Rate
3.1%
Unemployment Rate
Housing
$756,200
Median Home Value
$2,232
Median Rent
71.4%
Owner-Occupied
Education
92.8%
High School+
40.3%
Bachelor's+
Commute
0.8%
Drive Alone
71.6%
Public Transit
15.3%
Work From Home
31.9 min
Avg Commute
Community Profile
12.4%
Foreign Born
63.7%
Non-English at Home
4.8%
Veterans
14.5%
With Disability
93.8%
Health Insurance
94.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.7% |
| Manufacturing | 10.2% |
| Finance, Insurance & Real Estate | 9.8% |
| Construction | 8.0% |
| Information | 6.8% |
| Education, Health Care & Social Services | 6.7% |
| Public Administration | 6.4% |
| Arts, Entertainment & Food Services | 5.5% |
| Retail Trade | 4.4% |
| Transportation & Warehousing | 2.7% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
San Dimas, California has a population of 34,099 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 244th-largest city in California.
The median household income in San Dimas, California is $105,833, with 6.2% of residents living below the federal poverty level.
The median home value in San Dimas, California is $756,200, with median monthly rent at $2,232 and a homeownership rate of 71.4%.
The median age in San Dimas, California is 42.8 years. The population is 47.9% male and 52.1% female.
The population has declined 0.5% since 2010 (33,377 → 33,226).
Where to stay in San Dimas
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.