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What county is ZIP code 75104 in?

Updated · Data: U.S. Census Bureau

ZIP code 75104 (Cedar Hill, TX) is mostly in Dallas County (93.8% of its land), with parts in Ellis County.

Which counties is ZIP 75104 in?

CountyShare of land areaChart
Dallas County93.8%
Ellis County6.2%

About 49,425 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75104 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 75104 in?
ZIP code 75104 (Cedar Hill, TX) is mostly in Dallas County (93.8% of its land), with parts in Ellis County.
Is ZIP 75104 in Ellis County?
Partly: about 6.2% of its land is in Ellis County.
What city is ZIP 75104?
The post office name is Cedar Hill.

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