Kyle is a city in Hays County, Texas, United States. Its population was 28,016 in the 2010 census and estimated to be 48,393 in 2019. Kyle is one of the fastest-growing cities in Texas.
Kyle is located in eastern Hays County at 29°59′21″N 97°52′33″W (29.989080, -97.875947). It is bordered to the south by San Marcos and to the northwest by Mountain City. Kyle is 21 mi (34 km) southwest of downtown Austin and 58 mi (93 km) northeast of San Antonio on Interstate 35.
According to the United States Census Bureau, the city has a total area of 19.3 square miles (50.0 km2), of which 19.1 sq mi (49.4 km2) are land and 0.2 sq mi (0.5 km2), or 1.06%, is covered by water. The Blanco River runs through the western side of the city, while the central and eastern parts of the city drain east to Plum Creek. Both waterways are tributaries of the San Marcos River.
Kyle is served by the Hays Consolidated Independent School District, with high-school students attending either Jack C. Hays High School or Lehman High School. Also near Kyle, the Hays campus of the Austin Community College District has been fully operational since 2014.
Austin–Bergstrom International Airport is 25 mi (40 km) northeast of Kyle, San Marcos Regional Airport is 10 mi (16 km) to the south, and San Antonio International Airport is 53 mi (85 km) to the southwest. Residents have access to I-35, SH 45 toll road, FM 150, FM 1626, SH 21, and SH 123.