Unemployment in Sullivan County fell to 3.9 percent in May, down from 4.3 percent in May 2017, according to the latest jobs report from New York State's Department of Labor.In Ulster County, the unemployment rate fell to 3.7 percent from 4.3 percent, from a year before. Orange County's unemployment rate totaled 3.9 percent, down from 4.4 percent since May 2017.