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What county is ZIP code 78023 in?

Updated · Data: U.S. Census Bureau

ZIP code 78023 (Helotes, TX) is mostly in Bexar County (84.9% of its land), with parts in Medina County and Bandera County.

Which counties is ZIP 78023 in?

CountyShare of land areaChart
Bexar County84.9%
Medina County13.6%
Bandera County1.5%

About 28,585 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78023 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 78023 in?
ZIP code 78023 (Helotes, TX) is mostly in Bexar County (84.9% of its land), with parts in Medina County and Bandera County.
Is ZIP 78023 in Medina County?
Partly: about 13.6% of its land is in Medina County.
What city is ZIP 78023?
The post office name is Helotes.

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