Unemployment in Idaho dropped to 3.7 percent in December, after five straight months at 3.8 percent, the Idaho Department of Labor reports. Year-over-year, Idaho’s total nonfarm job growth for December showed a net gain of 13,300, or 1.9 percent, with all sectors except natural resources showing gains. Nationally, the unemployment rate increased by one-tenth of a point to 4.7 percent.