 Additionally all counties in Kentucky that are part of a MSA or CSA have a total population of 2,970,694, which is 67% of the state's population.The two other fast growing urban areas in Kentucky are the Bowling Green area and the "Tri Cities Region" of southeastern Kentucky, comprising Somerset, London and Corbin.Although only one town in the "Tri Cities", namely Somerset, currently has more than 12,000 people, the area has been experiencing heightened population and job growth since the 1990s.