Frio County

Frio County, in the Winter Garden Region of Southwest Texas, shares its eastern border with Atascosa County, its southern border with La Salle County, its western border with Zavala County, and its northern border with Medina County. The county is named after the Frio River, which flows northwest to southeast through the county. Pearsall, the county seat, is located on the Union Pacific Railroad fifty miles southwest of San Antonio and seventy miles east of the United States-Mexican border at Eagle Pass. Interstate Highway 35 passes north to south through the communities of Moore, Pearsall, and Dilley. The county's center lies two miles southwest of downtown Pearsall, near 28°52' north latitude and 99°07' west longitude. Frio County forms a rectangle thirty-seven miles east and west and thirty miles north and south; it comprises 719,360 acres or 1,133 square miles. The county is in the Nueces River basin and is drained by the Frio and Leona rivers in the west and by San Miguel Creek in the east.

Adapted from the official Handbook of Texas, a state encyclopedia developed by the Texas State Historical Association (TSHA). It is an authoritative source of trusted historical records.