Sinton, TX ZIP Codes
One ZIP code serves Sinton, Texas: 78387. Together they are home to 9,640 residents in 3,199 households. That is more than the 5,584 people counted inside Sinton city limits, because these ZIP codes reach past its boundary.
Sinton city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 5,584 |
| Households | 1,907 |
| Median household income | $51,701 |
| Median home value | $142,000 |
| Median age | 31.5 |
| Median rent | $938 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 9,640 |
| Households (sum of ZIP codes) | 3,199 |
| Median household income, range across ZIP codes | $53,048 (78387) to $53,048 (78387) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $53,048 |
| Homeowners | 57.9% |
| Households with kids under 18 | 39.9% |
| Moved in the past year | 11.0% |
| Carrier routes in EDDM2GO's route library | 8 routes, 3,770 homes (1 of 1 ZIP codes) |
Every ZIP code in Sinton
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 78387 | Sinton | 9,640 | 3,199 | $53,048 | $166,300 | 57.9% | 39.9% | 11.0% | 8 | 4,049 | 2% of its land; mailing city |
A ZIP code is listed for Sinton when at least 10% of its land lies inside Sinton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Sinton. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Sinton.
Counties
- San Patricio County — 9 ZIP codes
Price a mailing to Sinton ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Sinton, TX?
- 78387. A ZIP code is listed for Sinton when at least 10% of its land lies inside Sinton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Sinton.
- What is the population of Sinton, TX?
- The Census Bureau counts 5,584 residents inside Sinton city limits (ACS 2020–2024). The 1 ZIP code that serve Sinton hold 9,640 residents in all.
- What is the median household income in Sinton, TX?
- $51,701 inside Sinton city limits, per the Census Bureau. Across its ZIP codes the medians run from $53,048 to $53,048.
- How many carrier routes and mailboxes are in Sinton, TX?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 3,770 residential and 279 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.