After three straight months of increases, Dickson County’s unemployment rate dropped from February to March. According to statistics released last week by the Tennessee Department of Labor and Workforce Development, 1,600 Dickson County residents continued to receive unemployment benefits in March, for a rate of 6.5 percent. That’s down slightly from the 6.7 percent reported in February and a full point below the 7.5 percent rate reported in March 2013. Dickson County is one of 86 Tennessee counties that reported a decrease in unemployment in March, which four counties went up and five remained unchanged. Williamson County remains the lowest at 4.6 percent while Scott County is the highest at 14.8 percent. Tennessee’s unemployment rate dropped from 6.9 percent in February to 6.7 percent in March, while the nation’s rate remained unchanged at 6.7.