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What county is ZIP code 75146 in?

Updated · Data: U.S. Census Bureau

ZIP code 75146 (Lancaster, TX) is mostly in Dallas County (99.4% of its land), with parts in Ellis County.

Which counties is ZIP 75146 in?

CountyShare of land areaChart
Dallas County99.4%
Ellis County0.6%

About 25,804 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75146 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 75146 in?
ZIP code 75146 (Lancaster, TX) is mostly in Dallas County (99.4% of its land), with parts in Ellis County.
Is ZIP 75146 in Ellis County?
Partly: about 0.6% of its land is in Ellis County.
What city is ZIP 75146?
The post office name is Lancaster.

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