El Cajon is a city in San Diego County, California, home to about 104,449 people across 15 square miles. Its ZIP codes are 92019, 92020 and 92021, and parts of 92071 are in El Cajon too.
Homes sold for a median of $520 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly El Cajon; also Rancho San Diego and Granite Hills
Mostly El Cajon; also Casa de Oro-Mount Helix
Mostly El Cajon; also Bostonia and Winter Gardens
Mostly Santee; part is in El Cajon
Each card is that ZIP code’s whole market, including any part outside El Cajon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up El Cajon’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows El Cajon well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Diego International Airport (SAN)15 miles away |
|---|---|
| Nearest city of 250,000+ | San Diego, CA10 miles away |
Straight-line distances from the center of El Cajon; 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.
El Cajon had 106,215 residents in the 2020 census, up 12% since 2000.
It’s the 70th largest of 1,563 towns in California by population.
San Diego County grew from 35,090 residents in 1900 to 3,298,634 in 2020.
San Diego County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 42°F. About 11.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, El Cajon, CA weather station (about a mile away).
1,391,721 jobs at 93,407 businesses in San Diego County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,803 doctors and other health care providers list an office in El Cajon’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 107 |
|---|---|
| Specialist doctors | 59 |
| Dentists | 135 |
| Nurse practitioners and physician assistants | 141 |
| Mental health providers | 1,148 |
| Physical and occupational therapists | 145 |
| Optometrists | 24 |
| Chiropractors | 44 |
| Pharmacies | 51 |
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 (15 nearby)
Grocery stores (21 nearby)
Pharmacies (4 nearby)
Libraries (2 nearby)
Museums (4 nearby)
Theaters and performance venues (2 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.
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 Cajon Valley Union, Bostonia Global District, Dehesa Elementary and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Anza ElementaryEl Cajon | K–6 | 687 | Public | 1.1 mi |
| Blossom Valley ElementaryEl Cajon | K–5 | 533 | Public | 7.5 mi |
| Bostonia GlobalEl Cajon | K–12 | 1,266 | Charter | 1.4 mi |
| Cajon Valley HomeEl Cajon | K–8 | 117 | Alternative Education | 4.6 mi |
| Chase Avenue ElementaryEl Cajon | K–6 | 757 | Public | 1.3 mi |
| Crest ElementaryEl Cajon | K–8 | 271 | Public | 4.9 mi |
| Dehesa ElementaryEl Cajon | K–8 | 399 | Public | 5.9 mi |
| Diego Valley East Public CharterEl Cajon | K–12 | 408 | Charter | 0.9 mi |
| EJE Elementary Academy CharterEl Cajon | K–5 | 582 | Charter | 1.4 mi |
| EmpowerEl Cajon | K–8 | 21 | Special Education | 0.2 mi |
| Fletcher Hills ElementaryEl Cajon | K–5 | 540 | Public | 2.6 mi |
| Flying Hills School of ArtsEl Cajon | K–8 | 742 | Public | 2.1 mi |
| Fuerte ElementaryEl Cajon | K–5 | 686 | Public | 2.5 mi |
| Jamacha ElementaryEl Cajon | K–5 | 415 | Public | 4.6 mi |
| Johnson ElementaryEl Cajon | K–5 | 766 | Public | 1.1 mi |
| Kidinnu AcademyEl Cajon | K–8 | 433 | Charter | 1.2 mi |
| Lexington ElementaryEl Cajon | K–5 | 878 | Public | 0.6 mi |
| Literacy First CharterEl Cajon | K–12 | 2,160 | Charter | 0.7 mi |
| Madison Avenue ElementaryEl Cajon | K–5 | 670 | Public | 1.7 mi |
| Magnolia ElementaryEl Cajon | K–5 | 703 | Public | 1.2 mi |
| Meridian ElementaryEl Cajon | K–5 | 570 | Public | 1.5 mi |
| Naranca ElementaryEl Cajon | K–6 | 985 | Public | 0.6 mi |
| Pepper Drive ElementaryEl Cajon | K–8 | 661 | Public | 2.1 mi |
| Rancho San Diego ElementaryEl Cajon | K–5 | 533 | Public | 3.2 mi |
| Rios ElementaryEl Cajon | K–5 | 255 | Public | 5.4 mi |
| Vista Grande ElementaryEl Cajon | K–5 | 633 | Public | 3.0 mi |
| W. D. Hall ElementaryEl Cajon | K–5 | 579 | Public | 2.0 mi |
| Cajon Valley MiddleEl Cajon | 6–8 | 942 | Public | 0.4 mi |
| EJE Middle AcademyEl Cajon | 6–8 | 254 | Charter | 1.4 mi |
| Greenfield MiddleEl Cajon | 6–8 | 730 | Public | 1.6 mi |
And 14 more.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Christian Elementary School-East CampusEl Cajon | Pre-K–6 | 476 | Christian (no specific denomination) | 2.8 mi |
| Dayspring Christian Learning CenterEl Cajon | Pre-K–K | 10 | Pentecostal | 1.2 mi |
| Pepper Valley Learning CenterEl Cajon | Pre-K–K | 34 | Nonsectarian | 2.0 mi |
| St Kieran Catholic SchoolEl Cajon | Pre-K–8 | 127 | Roman Catholic | 1.7 mi |
| Taproot Montessori Preschool & KindergartenEl Cajon | Pre-K–K | 1 | Nonsectarian | 1.4 mi |
| Christian Elementary School - West CampusEl Cajon | K–6 | 204 | Baptist | 1.4 mi |
| El Cajon Seventh-Day Adventist Christian SchoolEl Cajon | K–8 | 24 | Seventh-day Adventist | 1.8 mi |
| Holy Trinity Elementary SchoolEl Cajon | K–8 | 141 | Roman Catholic | 0.7 mi |
| Our Lady of Grace Elementary SchoolEl Cajon | K–8 | 305 | Roman Catholic | 3.1 mi |
| Foothills Christian High SchoolEl Cajon | 9–12 | 262 | Christian (no specific denomination) | 2.6 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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Shares ZIP codes with Santee, Rancho San Diego, San Diego, Bostonia, Winter Gardens, Casa de Oro-Mount Helix, Lakeside (San Diego County), Granite Hills, Harbison Canyon and Crest.
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.