Figures released Thursday by the Department of Technology, Management & Budget show Michigan's overall unadjusted unemployment rate rose by 1 percentage point, from May's 8.4 percent to 9.4 percent in June.
The department said rates ranged from a low of 6.8 percent in the Ann Arbor region to a high of 11 percent in the northeastern Lower Peninsula. The rate was 10.3 percent in the Detroit area.
In Ottawa County, unemployment rose from 6.6 percent in May to 7.2 percent last month. The Muskegon County rate jumped from 8.6 to 9.2, and the four-county Grand Rapids market rose a half-point to 7 percent in June.
According to state officials, rates historically advance in June by around half of a percentage point.