From Post staff reportsWilson County’s unemployment rate for April dropped 0.4 percent from 9.5 to 9.1 percent.That was the word Thursday from the Tennessee Department of Labor and Workforce Development as it released county jobless rates for April.The department showed a labor force of 58,030 for the month past with 52,740 of those employed. That left 5,290 unemployed.Compared to one year ago, the jobless rate remains up. Unemployment in Wilson County stood at 8.9 percent in April 2009, an increase of 0.2 percent to April ’10.Tennessee’s seasonally adjusted unemployment rate for April ’10 was 10.5 percent, down from the March figure of 10.6 percent. The nationwide unemployment rate for April was 9.9 percent.County non-seasonally adjusted unemployment rates for April show that the rate decreased in 89 counties, increased in three counties and remained the same in three counties.Lincoln County registered the state’s lowest county unemployment rate at 7.1 percent, down from 7.4 percent in March. Scott County had the state’s highest jobless rate at 20.3 percent, up from 19.8 in March, followed by Marshall County at 17.3 percent, down from 18.4 percent in March.Knox County had the state’s lowest major metropolitan rate of 8.2 percent, unchanged from March. Davidson County was 9.0 percent, down from 9.1 in March. Hamilton County was at 9.0 percent, down from 9.4 in March, and Shelby County was 10.3 percent, down from 10.5 in March.Nearby, Rutherford County was 9.6 percent, down from 9.9 in March; Sumner County was 9.7 percent, down from 10.0 in March; Williamson County was 8.1 percent, up from 8.0 in March; Trousdale was County was 12.0 percent, down from 12.4 in March; Macon County was 10.9 percent, down from 11.6 in March; and Smith County was 12.4 percent, down from 13.8 in March.