Lakeside, CA ZIP Codes
2 ZIP codes serve Lakeside, California: 92021 and 92040. Together they are home to 116,717 residents in 38,379 households. That is more than the 22,447 people counted inside Lakeside Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $74,013 in 92021 to $107,937 in 92040.
Lakeside Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 22,447 |
| Households | 7,288 |
| Median household income | $96,447 |
| Median home value | $634,400 |
| Median age | 38.7 |
| Median rent | $2,016 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 116,717 |
| Households (sum of ZIP codes) | 38,379 |
| Median household income, range across ZIP codes | $74,013 (92021) to $107,937 (92040) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $87,648 |
| Homeowners | 59.4% |
| Households with kids under 18 | 36.9% |
| Moved in the past year | 13.7% |
| Carrier routes in EDDM2GO's route library | 56 routes, 39,941 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Lakeside: 92040 ($107,937)
- Most residents: 92021 (70,501 people)
- Highest homeownership: 92040 (67.7% 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: 92040 ($723,200)
Every ZIP code in Lakeside
| 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 | 5% of its land |
| 92040 | Lakeside | 46,216 | 15,426 | $107,937 | $723,200 | 67.7% | 35.7% | 10.9% | 21 | 16,410 | 8% of its land; mailing city |
A ZIP code is listed for Lakeside when at least 10% of its land lies inside the Lakeside Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lakeside. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Lakeside.
Counties
- San Diego County — 116 ZIP codes
Nearby cities sharing these ZIP codes
- El Cajon — 3 ZIP codes
- Winter Gardens — 2 ZIP codes
- Bostonia — 2 ZIP codes
- Santee — 2 ZIP codes
- Eucalyptus Hills — 1 ZIP code
Price a mailing to Lakeside ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Lakeside, CA?
- 92021 and 92040. A ZIP code is listed for Lakeside when at least 10% of its land lies inside the Lakeside Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Lakeside.
- What is the population of Lakeside, CA?
- The Census Bureau counts 22,447 residents inside Lakeside Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Lakeside hold 116,717 residents in all.
- What is the median household income in Lakeside, CA?
- $96,447 inside Lakeside Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $74,013 to $107,937.
- Which Lakeside ZIP code has the highest median household income?
- 92040, at $107,937, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Lakeside, CA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 56 carrier routes reaching 39,941 residential and 1,793 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.