Volusia County's population growth rate has averaged 0.71 percent per year over the last decade. At the same time, the national average was 0.69 percent, with a state average of 1.25 percent.Volusia County's overall population growth rate over the last ten years has been 6.37 percent, compared to 11.27 percent for the state as a whole and 6.23 percent for the United States.In Volusia County, the current...