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What county is ZIP code 78953 in?

Updated · Data: U.S. Census Bureau

ZIP code 78953 (Rosanky, TX) is mostly in Bastrop County (65.2% of its land), with parts in Caldwell County.

Which counties is ZIP 78953 in?

CountyShare of land areaChart
Bastrop County65.2%
Caldwell County34.8%

About 958 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78953 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 78953 in?
ZIP code 78953 (Rosanky, TX) is mostly in Bastrop County (65.2% of its land), with parts in Caldwell County.
Is ZIP 78953 in Caldwell County?
Partly: about 34.8% of its land is in Caldwell County.
What city is ZIP 78953?
The post office name is Rosanky.

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