El Cajon, CA ZIP Codes
3 ZIP codes serve El Cajon, California: 92021, 92020 and 92019. Together they are home to 173,694 residents in 57,534 households. That is more than the 104,449 people counted inside El Cajon city limits, because these ZIP codes reach past its boundary. Median household income ranges from $74,013 in 92021 to $101,973 in 92019.
El Cajon city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 104,449 |
| Households | 33,890 |
| Median household income | $67,511 |
| Median home value | $681,700 |
| Median age | 36.1 |
| Median rent | $1,856 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 173,694 |
| Households (sum of ZIP codes) | 57,534 |
| Median household income, range across ZIP codes | $74,013 (92021) to $101,973 (92019) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $81,987 |
| Homeowners | 53.9% |
| Households with kids under 18 | 35.5% |
| Moved in the past year | 13.4% |
| Carrier routes in EDDM2GO's route library | 94 routes, 60,814 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in El Cajon: 92019 ($101,973)
- Most residents: 92021 (70,501 people)
- Highest homeownership: 92019 (66.4% own their home)
- Most households with kids: 92021 (37.7% of households)
- Most new movers: 92021 (15.6% moved in last year)
- Youngest median age: 92021 (36.3 years)
- Highest median home value: 92020 ($813,100)
Every ZIP code in El Cajon
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 92021 | El Cajon | 70,501 | 22,953 | $74,013 | $611,900 | 53.8% | 37.7% | 15.6% | 35 | 25,317 | 11% of its land; mailing city |
| 92020 | El Cajon | 57,842 | 19,586 | $76,032 | $813,100 | 44.4% | 34.8% | 14.6% | 35 | 23,733 | 79% of its land; mailing city |
| 92019 | El Cajon | 45,351 | 14,995 | $101,973 | $801,400 | 66.4% | 33.1% | 8.4% | 24 | 15,854 | 7% of its land; mailing city |
A ZIP code is listed for El Cajon when at least 10% of its land lies inside El Cajon city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is El Cajon. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside El Cajon.
Counties
- San Diego County — 116 ZIP codes
Nearby cities sharing these ZIP codes
- Lakeside — 2 ZIP codes
- Winter Gardens — 2 ZIP codes
- Bostonia — 2 ZIP codes
- Casa de Oro-Mount Helix — 3 ZIP codes
- Rancho San Diego — 2 ZIP codes
Price a mailing to El Cajon ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in El Cajon, CA?
- 92021, 92020 and 92019. A ZIP code is listed for El Cajon when at least 10% of its land lies inside El Cajon city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is El Cajon.
- What is the population of El Cajon, CA?
- The Census Bureau counts 104,449 residents inside El Cajon city limits (ACS 2020–2024). The 3 ZIP codes that serve El Cajon hold 173,694 residents in all.
- What is the median household income in El Cajon, CA?
- $67,511 inside El Cajon city limits, per the Census Bureau. Across its ZIP codes the medians run from $74,013 to $101,973.
- Which El Cajon ZIP code has the highest median household income?
- 92019, at $101,973, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in El Cajon, CA?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 94 carrier routes reaching 60,814 residential and 4,096 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.