San Diego, TX ZIP Codes
One ZIP code serves San Diego, Texas: 78384. Together they are home to 5,747 residents in 1,610 households. That is more than the 3,675 people counted inside San Diego city limits, because these ZIP codes reach past its boundary.
San Diego city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 3,675 |
| Households | 1,253 |
| Median household income | $53,174 |
| Median home value | $85,600 |
| Median age | 29.8 |
| Median rent | $1,096 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 5,747 |
| Households (sum of ZIP codes) | 1,610 |
| Median household income, range across ZIP codes | $47,603 (78384) to $47,603 (78384) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $47,603 |
| Homeowners | 67.3% |
| Households with kids under 18 | 39.0% |
| Moved in the past year | 17.1% |
| Carrier routes in EDDM2GO's route library | 3 routes, 1,471 homes (1 of 1 ZIP codes) |
Every ZIP code in San Diego
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78384 | San Diego | 5,747 | 1,610 | $47,603 | $78,100 | 67.3% | 39.0% | 17.1% | 3 | 1,551 | 0% of its land; mailing city |
A ZIP code is listed for San Diego when at least 10% of its land lies inside San Diego city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is San Diego. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside San Diego.
Counties
- Duval County — 6 ZIP codes
Price a mailing to San Diego ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in San Diego, TX?
- 78384. A ZIP code is listed for San Diego when at least 10% of its land lies inside San Diego city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is San Diego.
- What is the population of San Diego, TX?
- The Census Bureau counts 3,675 residents inside San Diego city limits (ACS 2020–2024). The 1 ZIP code that serve San Diego hold 5,747 residents in all.
- What is the median household income in San Diego, TX?
- $53,174 inside San Diego city limits, per the Census Bureau. Across its ZIP codes the medians run from $47,603 to $47,603.
- How many carrier routes and mailboxes are in San Diego, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 1,471 residential and 80 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.