(Columbus)--Butler County's unemployment rate recovered a bit in February. The Ohio Department of Job and Family Services says 4.9% of the county's workforce was unemployed, compared to 5.2% in January. The number of unemployed workers fell from 9,600 to 9,100 in that time frame. In the City of Hamilton, the unemployment rate fell from 6.2% to 5.8%, with 100 more workers back on the job.