Skip to content
Find my county

What county is ZIP code 78154 in?

Updated · Data: U.S. Census Bureau

ZIP code 78154 (Schertz, TX) is mostly in Bexar County (56.4% of its land), with parts in Guadalupe County and Comal County.

Which counties is ZIP 78154 in?

CountyShare of land areaChart
Bexar County56.4%
Guadalupe County31.9%
Comal County11.7%

About 40,898 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78154 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 78154 in?
ZIP code 78154 (Schertz, TX) is mostly in Bexar County (56.4% of its land), with parts in Guadalupe County and Comal County.
Is ZIP 78154 in Guadalupe County?
Partly: about 31.9% of its land is in Guadalupe County.
What city is ZIP 78154?
The post office name is Schertz.

Free · No signup · Private

Find your county now

Use your location, a city or a ZIP code. The check runs on your device; your location is never sent or stored.