| City: | San Dimas, California |
| County: | Los Angeles County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 8:20:34 PM |
| Population: | 34,592 [See All] |
| Area Codes: | 840 / 909 |
| Classification: | Standard [Normal Street Delivery] |
| Coordinates: | 34.1154, -117.8130 |
| Land Area: | 14.976 sq mi |
| Quick Link: |
ZIP Code 91773 has 34,592 residents and 12,430 households (average 2.74 persons per household). The median age is 43.6 years, older than the state (37.5) and older than the nation (38.8). The gender split is 47.5% male and 52.5% female, which is slightly lower than the state male share (49.4%), making this a female-majority area. Largest groups are White (49.3%, much higher than the state average of 41.2% and well below the national average of 61.6%) and Hispanic or Latino (37.2%); Hispanic or Latino residents make up 37.2%, which is much higher than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 34,592Source: Census DHC |
| 2023 ACS Population Estimate: | 33,917Source: Census ACS |
| 2025 ZC Population Estimate: | 33,162Source: ZIP-Codes.com |
| Population Density: | 2,309.8 people per sq mile |
| Average Income: | $105,926Source: Census ACS |
| Households: | 12,430Source: Census DHC |
| Average House Value: | $754,700Source: Census ACS |
| Persons Per Household: | 2.74Source: Census DHC |
| Average Family Size: | 3.09Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 33,269 | 33,273 | 33,441 | 33,869 | 34,107 | 34,222 | 34,555 | 34,496 | 34,007 | 33,703 | 34,407 | 34,066 | 33,917 |
| Decennial Census | 33,119 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 34,592 | -- | -- | -- |
Median Age: 43.6
Male Median Age: 41.7
Female Median Age: 45.2
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 797 | 855 | 1,000 | 1,141 | 1,068 | 1,014 | 966 | 987 | 982 | 984 | 1,118 | 1,175 | 1,188 | 1,137 | 858 | 535 | 370 | 260 |
| Female | 786 | 948 | 987 | 978 | 1,092 | 974 | 1,064 | 1,093 | 1,096 | 1,153 | 1,180 | 1,378 | 1,392 | 1,232 | 1,025 | 727 | 525 | 527 |
| Total | 1,583 | 1,803 | 1,987 | 2,119 | 2,160 | 1,988 | 2,030 | 2,080 | 2,078 | 2,137 | 2,298 | 2,553 | 2,580 | 2,369 | 1,883 | 1,262 | 895 | 787 |
| White: | 17,049 | 41.57% |
| Black: | 1,309 | 3.19% |
| Hispanic:* | 12,883 | 31.42% |
| Asian: | 5,001 | 12.20% |
| American Indian: | 383 | 0.93% |
| Hawaiian: | 42 | 0.10% |
| Other: | 4,341 | 10.59% |
| Total: | 41,008 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 16,435 | 47.51% | 41.7 years |
| Females: | 18,157 | 52.49% | 45.2 years |
| Total: | 34,592 | 100% | 43.6 years |
| Native, born in the United States: | 25,990 | 76.63% |
| Native, born in PR, Island Areas, or abroad: | 376 | 1.11% |
| Foreign born, naturalized U.S. citizen: | 5,342 | 15.75% |
| Foreign born, not a U.S. citizen: | 2,209 | 22.26% |
| Total Population: | 33,917 | 100% |
| Total Native Population: | 26,366 | 77.74% |
| Total Foreign-born Population: | 7,551 | 22.26% |
In 2023, the Median household income is $105,926, which is far above the national median ($78,538), is up $31,575 (42.5%) since 2011 and above its 2019 pre-pandemic level by $19,725. Family households earn a median of $124,575 versus $50,893 for nonfamily households (a difference of $73,682). By gender, male median income is $83,623 and female is $71,899, which is much higher than the national female median ($53,445), with a current gap of $11,724 that has stayed about the same from 2011 to 2023. The labor-force participation rate is 62.9%, which is roughly equal to the state rate (63.9%). The unemployment rate is 5.0%, which is below the state rate (6.4%). The largest occupation group is Management (47.2%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $74,351 | $76,077 | $78,509 | $78,501 | $77,742 | $78,799 | $81,020 | $84,355 | $86,201 | $89,669 | $100,614 | $101,466 | $105,926 |
| Median Family Income | $84,155 | $89,902 | $89,867 | $91,509 | $92,465 | $92,128 | $98,618 | $101,929 | $102,634 | $109,185 | $117,919 | $118,989 | $124,575 |
| Median NonFamily Income | $38,258 | $36,522 | $39,660 | $39,355 | $41,653 | $41,067 | $45,635 | $42,070 | $43,048 | $40,720 | $51,875 | $48,767 | $50,893 |
| Median Male Income | $59,010 | $60,351 | $60,825 | $63,724 | $63,381 | $63,661 | $68,441 | $65,602 | $64,905 | $72,779 | $83,182 | $73,310 | $83,623 |
| Median Female Income | $47,453 | $48,700 | $48,542 | $47,539 | $51,081 | $50,506 | $49,435 | $54,184 | $58,423 | $60,978 | $64,297 | $67,955 | $71,899 |
| Employed: | 16,459 | 59.71% |
| Unemployed: | 861 | 3.12% |
| Not In Labor Force: | 10,247 | 37.17% |
| Total: | 27,567 | 100% |
| Management, business, science, and arts: | 7,764 | 47.17% |
| Service: | 2,214 | 13.45% |
| Sales and Office: | 3,499 | 21.26% |
| Natural resources, construction, and maintenance: | 1,208 | 7.34% |
| Production, transportation, and material moving: | 1,774 | 10.78% |
| Total Civilian Employed Population: | 16,459 | 100% |
In 2023, the median home value is $754,700, which is markedly greater than the national median ($303,400), is up $300,000 (65.98%) since 2011 and above its 2019 pre-pandemic level by $180,400. The median gross rent is $2,232, which is much higher than the national median ($1,348), is up $753 (50.91%) since 2011 and above its 2019 pre-pandemic level by $432. Of occupied housing, owners make up 71.26% (66.54% with a mortgage, 33.46% free-and-clear) and renters 28.74% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 1.50%, which is far lower than the national rate (10.43%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $454,700 | $427,200 | $423,600 | $432,700 | $447,900 | $481,100 | $514,100 | $545,600 | $574,300 | $602,000 | $625,400 | $714,400 | $754,700 |
| Less than $500: | 39 | 1.11% |
| $500 to $999: | 89 | 2.54% |
| $1,000 to $1,499: | 220 | 6.29% |
| $1,500 to $1,999: | 672 | 19.20% |
| $2,000 to $2,499: | 1,270 | 36.29% |
| $2,500 to $2,999: | 711 | 20.31% |
| $3,000 or more: | 216 | 6.17% |
| No Rent: | 283 | 8.09% |
| Total: | 3,500 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $1,479 | $1,541 | $1,567 | $1,502 | $1,532 | $1,595 | $1,605 | $1,723 | $1,800 | $1,821 | $2,012 | $2,202 | $2,232 |
| Owner Occupied (with mortgage): | 5,774 | 47.41% |
| Owner Occupied (free and clear, no mortgage): | 2,904 | 23.85% |
| Renter Occupied: | 3,500 | 28.74% |
| Total Occupied Housing Units: | 12,178 | 100% |
| Occupied Housing Units: | 12,178 | 98.50% |
| Vacant Housing Units (not graphed): | 185 | 1.50% |
| Total Housing Units: | 12,363 | 100% |
| Single-Family Units: | 8,923 | 72.18% |
| Multi-Family Units: | 2,398 | 19.40% |
| Other Units: | 1,042 | 8.43% |
| Total Housing Units: | 12,363 | 100% |
In 2023, 40.40% of adults (25+) have a bachelor's degree or higher, which is far higher than the national rate (35.00%). High school or higher is 92.80%, which is markedly above the state rate (84.60%). The uninsured rate is 6.20%, which is falls below the national rate (8.60%). The share of people in poverty is 6.30%, which is falls below the national rate (8.70%), up 2.10 percentage points since 2011 and above its 2019 pre-pandemic level by 0.20 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (38.80%). College enrollment is 30.95%, which is well above the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 796 | 3.26% |
| 9th to 12th grade, no diploma: | 961 | 3.94% |
| High school graduate (includes equivalency): | 4,925 | 20.17% |
| Some college, no degree: | 5,653 | 23.16% |
| Associate's degree: | 2,221 | 9.10% |
| Bachelor's degree: | 5,712 | 23.40% |
| Graduate or professional degree: | 4,144 | 16.98% |
| Total: | 24,412 | 100% |
| High school or higher: | 22,655 | 92.80% |
| Bachelor's degree or higher: | 9,856 | 40.37% |
| Private Insurance: | 23,875 | 63.78% |
| Public Insurance: | 11,467 | 30.63% |
| No Insurance: | 2,092 | 5.59% |
| Total: | 37,434 | 100% |
| Has Health Insurance: | 35,342 | 94.41% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 4.2% | 3.9% | 3.8% | 3.7% | 3.5% | 4.2% | 4.8% | 5.1% | 6.1% | 5.7% | 5.5% | 6.4% | 6.3% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 539 | 6.43% |
| Kindergarten: | 389 | 4.64% |
| Elementary school (grades 1-8): | 3,251 | 38.80% |
| High school (grades 9-12): | 1,606 | 19.17% |
| College or graduate school: | 2,593 | 30.95% |
| Total: | 8,378 | 100% |
| Early Childhood: | 928 | 11.08% |
| K-12 (Primary & Secondary School): | 5,246 | 62.62% |
ZIP Code 91773 supports both business and residential activity. According to the Business Census (2023), there are 1,274 business establishments, employing about 21,548 people with an annual payroll of $1,353,005,000. USPS data shows 12,103 residential mailboxes and 1,399 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 12,103Source: USPS |
| # Business Mailboxes: | 1,399Source: USPS |
| Total Delivery Receptacles: | 13,824Source: USPS |
| Single Family Delivery Units: | 8,376Source: USPS |
| Multi Family Delivery Units: | 800Source: USPS |
| # of Businesses: | 1,274Source: CBP |
| 1st Quarter Payroll: | $308,208,000Source: CBP |
| Annual Payroll: | $1,353,005,000Source: CBP |
| # of Employees: | 21,548Source: CBP |
ZIP Code 91773 is located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area (CBSA 31080) and California's 28th and 31st Congressional Districts. This Metro area has a population of 13,012,469 people, about 0.27% of whom live in ZIP Code 91773, and is subdivided into the Los Angeles-Long Beach-Glendale, CA division. It covers 14.976 sq mi of land and a water area of 0.39 sq mi.
| CBSA Name: | Los Angeles-Long Beach-Anaheim, CASource: Census |
| CBSA Number: | 31080Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Los Angeles-Long Beach-Glendale, CA (CBSA Div 31084)Source: Census |
| CBSA Population: | 13,012,469Source: Census |
| MSA: | Los Angeles-Riverside-Orange County, CASource: Census |
| Land Area: | 14.976 sq miSource: Census |
| Water Area: | 0.39 sq miSource: Census |
| Congressional District: | 28,31Source: USPS |
| Congressional Land Area: | 218.45, 218.24 sq miSource: Census |
| PMSA: | Los Angeles-Long Beach, CA PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0666070Source: Census |
| Place Name: | San Dimas city; CaliforniaSource: Census |
ZIP Code 91773 is in the Bonita Unified School District, which serves grades Kindergarten thru 12th. There are 13 public schools and 4 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on November 1, 2025.