El Castillo, TX ZIP Codes
One ZIP code serves El Castillo, Texas: 78582. Together they are home to 44,741 residents in 12,795 households. That is more than the 566 people counted inside El Castillo Census-designated place, because these ZIP codes reach past its boundary.
El Castillo Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 566 |
| Households | 60 |
| Median household income | not published |
| Median home value | not published |
| Median age | 18.1 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 44,741 |
| Households (sum of ZIP codes) | 12,795 |
| Median household income, range across ZIP codes | $42,626 (78582) to $42,626 (78582) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $42,626 |
| Homeowners | 72.3% |
| Households with kids under 18 | 49.4% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | 18 routes, 13,243 homes (1 of 1 ZIP codes) |
Every ZIP code in El Castillo
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78582 | Rio Grande City | 44,741 | 12,795 | $42,626 | $102,800 | 72.3% | 49.4% | 9.0% | 18 | 14,105 | 0% of its land |
A ZIP code is listed for El Castillo when at least 10% of its land lies inside the El Castillo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is El Castillo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside El Castillo.
Counties
- Starr County — 10 ZIP codes
Nearby cities sharing these ZIP codes
- Rio Grande City — 1 ZIP code
Price a mailing to El Castillo ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in El Castillo, TX?
- 78582. A ZIP code is listed for El Castillo when at least 10% of its land lies inside the El Castillo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is El Castillo.
- What is the population of El Castillo, TX?
- The Census Bureau counts 566 residents inside El Castillo Census-designated place (ACS 2020–2024). The 1 ZIP code that serve El Castillo hold 44,741 residents in all.
- What is the median household income in El Castillo, TX?
- Across its ZIP codes the medians run from $42,626 to $42,626.
- How many carrier routes and mailboxes are in El Castillo, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 13,243 residential and 862 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.