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What county is ZIP code 77455 in?

Updated · Data: U.S. Census Bureau

ZIP code 77455 (Louise, TX) is mostly in Wharton County (89.1% of its land), with parts in Colorado County and Jackson County.

Which counties is ZIP 77455 in?

CountyShare of land areaChart
Wharton County89.1%
Colorado County5.5%
Jackson County5.4%

About 1,593 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 77455 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 77455 in?
ZIP code 77455 (Louise, TX) is mostly in Wharton County (89.1% of its land), with parts in Colorado County and Jackson County.
Is ZIP 77455 in Colorado County?
Partly: about 5.5% of its land is in Colorado County.
What city is ZIP 77455?
The post office name is Louise.

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