THE SAN ANTONIO LAND BRIEF
Land in the
Northern Blackland Prairie setting.
San Antonio city has 499 square miles of land in Bexar County, Comal County, Medina County. Its Census reference point is in Northern Blackland Prairie, within Texas Blackland Prairies.
Fine-textured clay soils distinguish the Blackland Prairie landscape from surrounding Texas regions. Its historic prairie setting now includes a mixture of agricultural areas and expanding developed corridors.
Regional context: Texas Blackland Prairies ↗ · Classification at the Census reference point
One place name. 3 county geographies.
San Antonio intersects 3 county geographies: Bexar County, Comal County, Medina County. A San Antonio mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
San Antonio by land and water
The Census records 5.74 square miles of water within San Antonio, or 1.1% of its total area. It is 1.6 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, San Antonio city has 761.8 times the land area of nearby Balcones Heights city (0.66 square miles). These areas describe boundaries, not comparable property prices.

