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What county is ZIP code 75140 in?

Updated · Data: U.S. Census Bureau

ZIP code 75140 (Grand Saline, TX) is mostly in Van Zandt County (98.2% of its land), with parts in Smith County.

Which counties is ZIP 75140 in?

CountyShare of land areaChart
Van Zandt County98.2%
Smith County1.8%

About 8,596 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75140 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 75140 in?
ZIP code 75140 (Grand Saline, TX) is mostly in Van Zandt County (98.2% of its land), with parts in Smith County.
Is ZIP 75140 in Smith County?
Partly: about 1.8% of its land is in Smith County.
What city is ZIP 75140?
The post office name is Grand Saline.

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