Abilene ( ) is a city in Taylor and Jones counties in west central Texas, United States. The population was 117,063 according to the 2010 census making it the twenty-seventh most populous city in the state of Texas. It is the principal city of the Abilene Metropolitan Statistical Area, which had a 2011 estimated population of 166,416. It is the county seat of Taylor County. Dyess Air Force Base is located on the west side of the city.