Scott County's unemployment rate dropped four-tenths of a percentage point in August, falling to 13.9 percent.

The state's latest round of up-again, down-again numbers for Scott County were unveiled Thursday afternoon, with Scott County's estimated civilian labor force dropping from 7,360 to 7,120.

That marks the lowest the estimated labor force in Scott County has been since August 1990, when the labor force briefly dropped to 6,980.

When the economic recession began in late 2007, Scott County's estimated labor force was 8,770. It has steadily fallen over the last year, except for the months of May-June, when it climbed from 7,130 to a high of 7,400.

Total local employment, meanwhile, took a big hit between July and August, according to the state's numbers, dropping from 6,310 to 6,140. That marks the lowest employment total in Scott County since December 1988, when local employment dropped to 6,050.

The number of unemployed persons, meanwhile, fell to 990 in August, the first time that figure has been under 1,000 since May.

Scott County's unemployment rate remained the state's highest in August, ahead of Lauderdale County's 12.3 percent. Rounding out the top five counties with highest unemployment were Weakley County and Hancock County at 11.3 percent, and Pickett County at 11.0 percent.

Lincoln County had the state's lowest unemployment rate, at 5.3 percent. Following closely behind was Williamson County, at 5.5 percent, and Wilson County, at 5.7 percent. Rutherford and Smith counties each posted an unemployment rate of 6.0 percent in August.

Among neighboring counties, Anderson County's unemployment rate of 7.0 percent was lowest, followed by Fentress County at 8.3 percent, Campbell County at 9.2 percent, Morgan County at 9.7 percent and Pickett County.

Fentress County posted the biggest decline in unemployment in August, down a full percentage point from July's jobless rate of 9.3 percent. Anderson County's rate was down six-tenths of a point, followed by Morgan County's decline of half a percentage point. Campbell County and Pickett County posted unemployment declines of three-tenths of a point and two-tenths of a point, respectively.