Bostonia, CA ZIP Codes
2 ZIP codes serve Bostonia, California: 92021 and 92020. Together they are home to 128,343 residents in 42,539 households. That is more than the 16,765 people counted inside Bostonia Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $74,013 in 92021 to $76,032 in 92020.
Bostonia Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 16,765 |
| Households | 5,783 |
| Median household income | $78,878 |
| Median home value | $487,600 |
| Median age | 34.2 |
| Median rent | $2,087 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 128,343 |
| Households (sum of ZIP codes) | 42,539 |
| Median household income, range across ZIP codes | $74,013 (92021) to $76,032 (92020) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $74,943 |
| Homeowners | 49.5% |
| Households with kids under 18 | 36.4% |
| Moved in the past year | 15.1% |
| Carrier routes in EDDM2GO's route library | 70 routes, 45,387 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Bostonia: 92020 ($76,032)
- Most residents: 92021 (70,501 people)
- Highest homeownership: 92021 (53.8% 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 Bostonia
| 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 | 6% of its land |
| 92020 | El Cajon | 57,842 | 19,586 | $76,032 | $813,100 | 44.4% | 34.8% | 14.6% | 35 | 23,733 | 2% of its land |
A ZIP code is listed for Bostonia when at least 10% of its land lies inside the Bostonia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Bostonia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Bostonia.
Counties
- San Diego County — 116 ZIP codes
Nearby cities sharing these ZIP codes
- El Cajon — 3 ZIP codes
- Lakeside — 2 ZIP codes
- Winter Gardens — 2 ZIP codes
- Casa de Oro-Mount Helix — 3 ZIP codes
Price a mailing to Bostonia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Bostonia, CA?
- 92021 and 92020. A ZIP code is listed for Bostonia when at least 10% of its land lies inside the Bostonia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Bostonia.
- What is the population of Bostonia, CA?
- The Census Bureau counts 16,765 residents inside Bostonia Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Bostonia hold 128,343 residents in all.
- What is the median household income in Bostonia, CA?
- $78,878 inside Bostonia Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $74,013 to $76,032.
- Which Bostonia ZIP code has the highest median household income?
- 92020, at $76,032, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Bostonia, CA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 70 carrier routes reaching 45,387 residential and 3,671 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.