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What county is ZIP code 75630 in?

Updated · Data: U.S. Census Bureau

ZIP code 75630 (Avinger, TX) is mostly in Cass County (55.1% of its land), with parts in Marion County.

Which counties is ZIP 75630 in?

CountyShare of land areaChart
Cass County55.1%
Marion County44.9%

About 2,693 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 75630 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 75630 in?
ZIP code 75630 (Avinger, TX) is mostly in Cass County (55.1% of its land), with parts in Marion County.
Is ZIP 75630 in Marion County?
Partly: about 44.9% of its land is in Marion County.
What city is ZIP 75630?
The post office name is Avinger.

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