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What county is ZIP code 78164 in?

Updated · Data: U.S. Census Bureau

ZIP code 78164 (Yorktown, TX) is mostly in DeWitt County (87.3% of its land), with parts in Goliad County.

Which counties is ZIP 78164 in?

CountyShare of land areaChart
DeWitt County87.3%
Goliad County12.7%

About 3,418 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 78164 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 78164 in?
ZIP code 78164 (Yorktown, TX) is mostly in DeWitt County (87.3% of its land), with parts in Goliad County.
Is ZIP 78164 in Goliad County?
Partly: about 12.7% of its land is in Goliad County.
What city is ZIP 78164?
The post office name is Yorktown.

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