Seasonally unadjusted unemployment rates were up last month in each of Michigan's 17 major labor market areas.
The Michigan Department of Technology, Management & Budget says Thursday that the regional jobless rate increases ranged from 0.3 to 1.7 percentage points from June to July.
The Detroit-Warren-Livonia, Flint and Monroe areas showed the largest increases of more than one percentage point. Six other regions had jobless rates at or below the U.S. seasonally unadjusted rate of 8.6%.
Mackinac County had the lowest unemployment rate at 4.2%. Baraga County had the highest at 16.3 percent.
Wayne County, which includes Detroit, had an unemployment rate of 13.4%.
Unemployment rates fell in all 17 major labor market areas from July 2011 to July 2012.