Abilene ( AB-i-leen) is a city in Taylor and Jones County, Texas, United States. Its population was 125,182 at the 2020 census. It is the principal city of the Abilene metropolitan statistical area, which had a population of 165,252 as of 2020. Abilene is home to three Christian universities: Abilene Christian University, McMurry University, and Hardin–Simmons University. It is the county seat of Taylor County. Dyess Air Force Base is located on the west side of the city. Abilene is located on Interstate 20. I-20 forms a rounded bypass loop along the northern side of the city, between exits 279 on its western edge and 292 on the east. The city is located 150 miles (240 km) west of Fort Worth. Multiple freeways form a loop surrounding the city's core: I-20 on the north, US 83/84/277 on the west, and Loop 322 to the east. The former Texas and Pacific Railway, now part of the Union Pacific mainline, divides the city into well-established north and south zones. The historic downtown area is on the north side of the railroad, while the growing South Of Downtown Abilene "SODA" district is located on the south side of the tracks.