San Dimas is a city in Los Angeles County, California, home to about 33,789 people across 15 square miles. Its ZIP code is 91773.
Homes sold for a median of $515 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside San Dimas. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up San Dimas’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Ontario International Airport (ONT)13 miles away |
|---|---|
| Nearest city of 250,000+ | Anaheim, CA17 miles away |
| Nearest city of 1 million+ | Los Angeles, CA34 miles away |
Straight-line distances from the center of San Dimas; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
San Dimas had 34,924 residents in the 2020 census, up 0% since 2000.
It’s the 245th largest of 1,563 towns in California by population.
Los Angeles County grew from 170,298 residents in 1900 to 10,014,009 in 2020.
Los Angeles County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 42°F. About 14.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Pomona/Fairplex, CA weather station (3 miles away).
3,987,736 jobs at 304,988 businesses in Los Angeles County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
508 doctors and other health care providers list an office in San Dimas.
Nearest hospitals
Providers with an office here
| Primary care doctors | 44 |
|---|---|
| Specialist doctors | 53 |
| Dentists | 40 |
| Nurse practitioners and physician assistants | 23 |
| Mental health providers | 240 |
| Physical and occupational therapists | 78 |
| Optometrists | 18 |
| Chiropractors | 12 |
| Pharmacies | 10 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (32 nearby)
Grocery stores (11 nearby)
Pharmacies (3 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1960.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Bonita Unified, Los Angeles County Office of Education. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Allen Avenue ElementarySan Dimas | K–5 | 467 | Public | 1.7 mi |
| Arma J. Shull ElementarySan Dimas | K–5 | 633 | Public | 1.0 mi |
| Fred Ekstrand ElementarySan Dimas | K–5 | 475 | Public | 1.0 mi |
| Gladstone ElementarySan Dimas | K–5 | 518 | Public | 1.2 mi |
| Grace Miller ElementaryLa Verne | K–5 | 448 | Public | 2.4 mi |
| La Verne Heights ElementaryLa Verne | K–5 | 477 | Public | 2.8 mi |
| Vista (Alternative)San Dimas | K–12 | 11 | Alternative Education | 1.2 mi |
| Lone Hill MiddleSan Dimas | 6–8 | 870 | Public | 0.7 mi |
| Ramona MiddleSan Dimas | 6–8 | 1,371 | Public | 1.8 mi |
| Rockey Glenn CampSan Dimas | 7–12 | 27 | Alternative Education | 2.6 mi |
| Chaparral High (Continuation)San Dimas | 9–12 | 54 | Alternative Education | 1.2 mi |
| San Dimas HighSan Dimas | 9–12 | 1,235 | Public | 0.6 mi |
| Adult Transition ProgramSan Dimas | 12 | 11 | Special Education | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Arrow Montessori School of San DimasSan Dimas | Pre-K–8 | 37 | Nonsectarian | 0.9 mi |
| Holy Name of Mary Elementary SchoolSan Dimas | Pre-K–8 | 324 | Roman Catholic | 1.4 mi |
| Kindercare Learning CenterSan Dimas | Pre-K–K | 8 | Nonsectarian | 1.8 mi |
| Kindercare San Dimas FoothillSan Dimas | Pre-K–K | 21 | Nonsectarian | 1.8 mi |
| Montessori School, San DimasSan Dimas | Pre-K–K | 2 | Nonsectarian | 1.9 mi |
| Dove Day School- Educational Programs- Inc.San Dimas | K–4 | 13 | Nonsectarian | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.