 The county is located in the Piedmont region of the state.From 2000 to 2003, Coosa County's growth rate of -5.8% made it the biggest percentage population loser among the state's 67 counties.Annette Jones Watters of the University of Alabama's Alabama State Data Center cited Coosa as one of eight counties to lose greater than 6% of its population from 2000 to early 2007.