Bowling Green is the county seat of Warren County, Kentucky, United States. Its population was 72,294 as of the 2020 census, making it th…Bowling Green is the county seat of Warren County, Kentucky, United States. Its population was 72,294 as of the 2020 census, making it the third-most populous city in the state, after Louisville and Lexington. The Bowling Green metropolitan area is the fourth-largest in the state and had a population of 179,639 in 2020.