Douglas County’s unemployment rate rose in August, but the number of jobs grew, hinting at an economic recovery, according to a report released Monday by the Oregon Employment Department. Job growth in August exceeded expectations, with the county’s workforce expanding by 250 nonfarm positions to 34,440 jobs. Employment officials had forecast 200 new jobs. The county has seen a net increase of 460 jobs in the past year. The jobless rate rose from 12.3 percent in July to 12.4 percent in August. The unemployment rate a year ago was 13.4 percent. Employment Department Regional Economist Brian Rooney said the most …