Clarksville is a city in and the county seat of Montgomery County, Tennessee, and the fifth-largest city in the state behind Memphis, Nashville, Knoxville, and Chattanooga, respectively. The city had a population of 132,957 at the 2010 census, and an estimated population of 142,519 in 2012. Wikipedia

Richmond County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 200,549. It is one of the original counties of Georgia, created February 5, 1777. Following an election in 1995, the city of Augusta consolidated governments with Richmond County. Wikipedia