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What county is ZIP code 78834 in?

Updated · Data: U.S. Census Bureau

ZIP code 78834 (Carrizo Springs, TX) is mostly in Dimmit County (89.1% of its land), with parts in Zavala County.

Which counties is ZIP 78834 in?

CountyShare of land areaChart
Dimmit County89.1%
Zavala County10.9%

About 7,204 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78834 a Census ZIP code area?

Yes. A ZIP Code Tabulation Area (ZCTA) is the Census version of a ZIP code; its edges can differ from USPS delivery routes (ZIP code vs ZCTA). Look up another ZIP on the ZIP code to county lookup.

Sources: Census 2020 ZCTA-county relationship file; Gazetteer 2024; GeoNames (CC BY 4.0, post office name); ACS 2019-2023 5-year. Data as of November 1, 2026. Not affiliated with USPS or any government agency.

FAQ

Frequently asked questions

What county is ZIP code 78834 in?
ZIP code 78834 (Carrizo Springs, TX) is mostly in Dimmit County (89.1% of its land), with parts in Zavala County.
Is ZIP 78834 in Zavala County?
Partly: about 10.9% of its land is in Zavala County.
What city is ZIP 78834?
The post office name is Carrizo Springs.

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