El Cajon ZIP codes, California
El Cajon, CA has 4 ZIP codes (92021, 92020, 92019 and 92022) and area codes 619 and 858. The largest is 92021.
- USPS city name
- 4 ZIP codes
- Overlapping the city
- 3 more
- Population
- 104,449
- County
- San Diego County
- State
- California
Mail addressed to El Cajon uses the ZIP codes above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
El Cajon in numbers
About 104,449 people live in El Cajon, in 33,890 households. The median household income is $67,511 a year, 32% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $681,700 (7% below the California median), and median gross rent is $1,856 a month. The median age is 36.1; 23.0% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 25 minutes.
| Population | 104,449 |
|---|---|
| Households | 33,890 |
| Median age | 36.1 |
| Median household income | $67,511 |
| Median home value | $681,700 |
| Median gross rent | $1,856 |
| Bachelor's degree or higher | 23.0% |
| Mean commute | 24.8 min |
| Population density | 7,198 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place El Cajon city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as El Cajon
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
92021 | El Cajon , CA | Standard | 70,501 | $74,013 | $611,900 |
92020 | El Cajon , CA | Standard | 57,842 | $76,032 | $813,100 |
92019 | El Cajon , CA | Standard | 45,351 | $101,973 | $801,400 |
92022 | El Cajon , CA | No street area | — | — | — |
Other ZIP codes overlapping El Cajon
These ZIP codes cover part of El Cajon but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
91941 | La Mesa , CA | Standard | 33,218 | $115,381 | $928,700 |
92071 | Santee , CA | Standard | 59,590 | $113,618 | $728,900 |
92119 | San Diego , CA | Standard | 24,456 | $113,435 | $879,200 |
Map of El Cajon ZIP codes
The ZIP codes of El Cajon, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near El Cajon
The nearest larger towns are San Diego (1,389,526 people, 10 mi), Chula Vista (276,375 people, 12 mi) and Escondido (149,668 people, 24 mi).
| Town | Population | Distance |
|---|---|---|
| Bostonia | 16,765 | 1.6 mi |
| Casa de Oro-Mount Helix | 19,765 | 2.7 mi |
| Winter Gardens | 22,131 | 3.2 mi |
| Granite Hills | 3,795 | 3.2 mi |
| Rancho San Diego | 21,272 | 3.6 mi |
| Santee | 59,332 | 4.0 mi |
| La Mesa | 60,797 | 4.2 mi |
| Lakeside | 22,447 | 5.0 mi |
| Spring Valley | 31,969 | 5.0 mi |
| Crest | 2,775 | 5.4 mi |
| Eucalyptus Hills | 5,840 | 5.8 mi |
| Lemon Grove | 27,686 | 6.4 mi |
| La Presa | 34,962 | 6.7 mi |
| Harbison Canyon | 4,328 | 7.3 mi |
More nearby: every ZIP code in San Diego County · California ZIP codes
Cite this page
zipcodes.pro. “El Cajon, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/el-cajon
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