Alton, TX ZIP Codes
One ZIP code serves Alton, Texas: 78573. Together they are home to 44,809 residents in 12,720 households. That is more than the 20,214 people counted inside Alton city limits, because these ZIP codes reach past its boundary.
Alton city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 20,214 |
| Households | 5,349 |
| Median household income | $52,715 |
| Median home value | $156,300 |
| Median age | 26.1 |
| Median rent | $1,038 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 44,809 |
| Households (sum of ZIP codes) | 12,720 |
| Median household income, range across ZIP codes | $55,000 (78573) to $55,000 (78573) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $55,000 |
| Homeowners | 66.0% |
| Households with kids under 18 | 50.2% |
| Moved in the past year | 12.3% |
| Carrier routes in EDDM2GO's route library | 16 routes, 14,794 homes (1 of 1 ZIP codes) |
Every ZIP code in Alton
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78573 | Mission | 44,809 | 12,720 | $55,000 | $163,600 | 66.0% | 50.2% | 12.3% | 16 | 15,247 | 20% of its land |
A ZIP code is listed for Alton when at least 10% of its land lies inside Alton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Alton. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Alton.
Counties
- Hidalgo County — 30 ZIP codes
Nearby cities sharing these ZIP codes
Price a mailing to Alton ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Alton, TX?
- 78573. A ZIP code is listed for Alton when at least 10% of its land lies inside Alton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Alton.
- What is the population of Alton, TX?
- The Census Bureau counts 20,214 residents inside Alton city limits (ACS 2020–2024). The 1 ZIP code that serve Alton hold 44,809 residents in all.
- What is the median household income in Alton, TX?
- $52,715 inside Alton city limits, per the Census Bureau. Across its ZIP codes the medians run from $55,000 to $55,000.
- How many carrier routes and mailboxes are in Alton, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 16 carrier routes reaching 14,794 residential and 521 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.