San Dimas, California Demographics & Population 2026
During the 2020–2024 ACS period, San Dimas, California had a total population of 33,789, the 245th largest city in California, with a median household income of $105,321, which is 6% higher than the state average. The poverty rate is 9.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing affordability is a challenge — homes cost 7.6x the median household income.
San Dimas Quick Facts
How San Dimas Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 34,099 | 33,789 | -0.9% |
| Median household income | $105,833 | $105,321 | -0.5% |
| Median home value | $756,200 | $801,800 | +6.0% |
How San Dimas Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
San Dimas Rankings in California
Explore California Rankings
Other Cities in Los Angeles County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Los Angeles | 3,857,263 | $81,939 | 16.6% | $921,200 |
| Long Beach | 455,548 | $87,430 | 14.8% | $806,600 |
| Santa Clarita | 230,221 | $123,062 | 7.4% | $784,700 |
| Glendale | 190,748 | $88,393 | 12.9% | $1,102,300 |
| Lancaster | 169,169 | $81,511 | 15.6% | $446,600 |
| Palmdale | 164,634 | $81,770 | 15.7% | $471,000 |
| Pomona | 147,943 | $79,479 | 14.3% | $593,800 |
| Torrance | 142,130 | $116,217 | 7.8% | $1,074,700 |
| Pasadena | 136,969 | $105,192 | 13.3% | $1,093,300 |
| East Los Angeles | 111,647 | $68,741 | 17.3% | $643,100 |
Cities Similar to San Dimas
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Temple City | 35,430 | $104,425 | $961,800 | 42.7% | 8.7% |
| Spring Valley (San Diego County) | 31,969 | $109,110 | $714,700 | 32.5% | 9.5% |
| West Hollywood | 34,884 | $96,995 | $924,800 | 64.2% | 12.9% |
| Fair Oaks | 32,799 | $116,975 | $683,000 | 48.7% | 7.2% |
| Orangevale | 35,958 | $99,832 | $565,100 | 32.0% | 10.4% |
Population Overview
San Dimas is a mid-sized community located in California, within Los Angeles County. The total population is 33,789. It ranks as the 245th most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in San Dimas is 43.3 years. This is 14% higher than the state median of 37.9 years.
Economy, Income & Housing
The median household income in San Dimas is $105,321. This is 6% higher than the state median of $99,122. It is also 30% higher than the national median of $80,734. The poverty rate stands at 9.9%. This is 18% lower than the state poverty rate of 12.0%. The unemployment rate is 4.6%. This is 30% lower than the state rate of 6.6%. The median home value is $801,800. Housing costs are 9% higher than the state median of $734,700. The home-value-to-income ratio of 7.6x suggests that housing affordability is a significant concern for many residents. 72.4% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 55.9%.
Race & Ethnicity
San Dimas is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 33.7%.
Education
40.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% higher than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.7%. Notably, 17.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for San Dimas, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of San Dimas, California?
San Dimas, California has a population of 33,789 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Dimas, CA?
The median household income in San Dimas is $105,321, which is 30% higher than the national median of $80,734.
What is the poverty rate in San Dimas, CA?
The poverty rate in San Dimas is 9.9%. This means approximately 3,310 residents live below the federal poverty line.
What is the racial makeup of San Dimas, California?
San Dimas's population is 33.7% White, 3.4% Black, 40.9% Hispanic/Latino, and 16.3% Asian.
What is the median home value in San Dimas, CA?
The median home value in San Dimas is $801,800. The home-value-to-income ratio is 7.6x.
How educated is San Dimas, California?
40.4% of adults (25+) in San Dimas hold a bachelor's degree or higher, and 17.7% hold a graduate or professional degree.