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What county is ZIP code 77494 in?

Updated · Data: U.S. Census Bureau

ZIP code 77494 (Katy, TX) is mostly in Fort Bend County (85.0% of its land), with parts in Waller County and Harris County.

Which counties is ZIP 77494 in?

CountyShare of land areaChart
Fort Bend County85.0%
Waller County8.0%
Harris County7.0%

About 137,213 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.

Is ZIP 77494 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 77494 in?
ZIP code 77494 (Katy, TX) is mostly in Fort Bend County (85.0% of its land), with parts in Waller County and Harris County.
Is ZIP 77494 in Waller County?
Partly: about 8.0% of its land is in Waller County.
What city is ZIP 77494?
The post office name is Katy.

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