THE KATY LAND BRIEF
Land in the
Northern Humid Gulf Coastal Prairies setting.
Katy city has 15.3 square miles of land in Fort Bend County, Harris County, Waller County. Its Census reference point is in Northern Humid Gulf Coastal Prairies, within Western Gulf Coastal Plain.
Low coastal plains extend along the western Gulf, contrasting with more irregular inland country. Grassland was the principal natural cover, with river corridors and coastal features adding local variation.
Regional context: Western Gulf Coastal Plain ↗ · Classification at the Census reference point
One place name. 3 county geographies.
Katy intersects 3 county geographies: Fort Bend County, Harris County, Waller County. A Katy mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Katy by land and water
The Census records 0.02 square miles of water within Katy, or 0.1% of its total area. It is 2.6 percentage points lower than the 2.7% recorded for Texas. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Katy city has 3.4 times the land area of nearby Cinco Ranch CDP (4.53 square miles). These areas describe boundaries, not comparable property prices.

