State
County
Land Area (mi²)
15.0 sq mi
Density (mi²)
2,201.10/sq mi
2020 Growth Rate
-0.78%
Growth Since 2010
-0.81%
Rank in State
Rank in Country
San Dimas is a city located in Los Angeles County California. With a 2020 population of 33,101, it is the 230th largest city in California and the 1190th largest city in the United States . San Dimas is currently declining at a rate of -0.78% annually and its population has decreased by -0.81% since the most recent census, which recorded a population of 33,371 in 2010. San Dimas reached it's highest population of 34,980 in 2000. Spanning over 15 miles, San Dimas has a population density of 2,201 people per square mile.
The average household income in San Dimas is $105,480 with a poverty rate of 9.28%. The median rental costs in recent years comes to $1,808 per month, and the median house value is $576,800. The median age in San Dimas is 41.3 years, 40.6 years for males, and 42.2 years for females.
According to the most recent ACS, the racial composition of San Dimas was:
| Race | Population | Percentage |
|---|---|---|
| White | 24,524 | 72.03% |
| Asian | 4,816 | 14.14% |
| Some Other Race | 2,213 | 6.50% |
| Two or More Races | 1,608 | 4.72% |
| Black or African American | 656 | 1.93% |
| American Indian and Alaska Native | 214 | 0.63% |
| Native Hawaiian and Other Pacific Islander | 17 | 0.05% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 11,415 | 2.91 | 70.9 |
| Married | 6,144 | 3.6 | 79.2 |
| Non Family | 3,366 | 1.3 | 59.2 |
| Female | 1,318 | 3.36 | 61.5 |
| Male | 587 | 3.81 | 71.4 |
3.43
Average Family Size
2.91
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 575 | 2.39% |
| 9th to 12th Grade | 1,016 | 4.22% |
| High School Graduate | 4,624 | 19.23% |
| Some College | 6,067 | 25.23% |
| Associates Degree | 2,892 | 12.03% |
| Bachelors Degree | 5,715 | 23.76% |
| Graduate Degree | 3,160 | 13.14% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 12,014 | 11,490 | 4,168 |
| Hispanic | 7,164 | 6,314 | 1,839 |
| Asian | 3,591 | 3,426 | 2,281 |
| Other Race | 1,565 | 1,307 | 266 |
| 2+ Races | 858 | 823 | 455 |
| Black | 481 | 426 | 161 |
| Native American | 165 | 165 | 6 |
| Islander | 12 | 12 | 12 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among islander people with a rate of 100.00%.
$52,192
Average Earnings
$58,899
Average Male
$45,813
Average Female
70.99% of San Dimas residents speak only English, while 29.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.98% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 15,660 | 1,499 | 9.57% |
| Hispanic | 11,141 | 846 | 7.59% |
| Asian | 4,747 | 619 | 13.04% |
| Other | 2,119 | 216 | 10.19% |
| Black | 584 | 77 | 13.18% |
| Multiple | 1,566 | 50 | 3.19% |
9.28%
Overall Poverty Rate
10.29%
Male Poverty Rate
8.40%
Female Poverty Rate
The race most likely to be in poverty in San Dimas is Black, with 13.18% below the poverty level.
The race least likely to be in poverty in San Dimas is Multiple, with 3.19% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.40%. Among those working part-time, it was 8.18%, and for those that did not work, the poverty rate was 19.87%.
49.9%
Overall Marriage Rate
53.4%
Male Marriage Rate
46.8%
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,085 | 5.57% |
| Hispanic | 349 | 4.25% |
| Asian | 119 | 3.06% |
| 2+ Races | 98 | 9.51% |
| Other Race | 89 | 5.34% |
| Black | 52 | 8.46% |
| Native American | 15 | 7.01% |
5.41%
Veteran Poverty Rate
27.95%
Veteran Disability Rate
60.3%
Labor Force Participation
58.5%
Employment Rate
3%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
79.93%
Native Born
20.07%
Foreign Born
6.63%
Non Citizen
13.44%
Naturalized
79.93% of San Dimas residents were born in the United States, with 62.85% having been born in California. 6.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 33,101 | -260 | -0.78% |
| 2020 | 33,361 | -260 | -0.77% |
| 2019 | 33,621 | -260 | -0.77% |
| 2018 | 33,881 | -247 | -0.72% |
| 2017 | 34,128 | -108 | -0.32% |
| 2016 | 34,236 | -108 | -0.31% |
| 2015 | 34,344 | 25 | 0.07% |
| 2014 | 34,319 | 574 | 1.70% |
| 2013 | 33,745 | 108 | 0.32% |
| 2012 | 33,637 | 128 | 0.38% |
| 2011 | 33,509 | 132 | 0.40% |
| 2010 | 33,377 | -1,603 | -0.47% |
| 2000 | 34,980 | 2,583 | 0.77% |
| 1990 | 32,397 | 8,383 | 3.04% |
| 1980 | 24,014 | 8,322 | 4.35% |
| 1970 | 15,692 | 13,852 | 11.31% |
| 1950 | 1,840 | 0.00% |