Dimmit County, Texas ZIP codes
4 ZIP codes are in Dimmit County, plus 2 that cross in from neighboring counties.
- ZIP codes
- 4
- Population in these ZIPs
- 8,386
- Avg. median income
- $39,000population-weighted
- Cities & towns
- 4
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Dimmit County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 78827 | Asherton | 663 | $23,167 | $87,600 |
| 78830 | Big Wells | 597 | $51,354 | $100,800 |
| 78834 | Carrizo Springs | 6,971 | $39,477 | $147,400 |
| 78836 | Catarina | 155 | — | — |
ZIP codes partly in Dimmit County
These ZIP codes are mostly in a neighboring county but cover part of Dimmit County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 78014 | Cotulla | La Salle County | 5,002 | $66,250 | $118,400 |
| 78839 | Crystal City | Zavala County | 7,091 | $37,365 | $89,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Dimmit County
Nearby counties
Frequently asked questions
How many ZIP codes are in Dimmit County, Texas?
4 ZIP codes are mainly in Dimmit County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Dimmit County?
ZIP codes in Dimmit County use the city names Asherton, Big Wells, Carrizo Springs and Catarina.