Two out of three counties in Michigan experienced a drop in population between 2011 and 2012. Ontonagon County in the Upper Peninsula experienced the largest population decline (3%). The fastest population increases statewide, about 1%, occurred in Kent and Ottawa counties, in the Grand Rapids metro area.
The map below displays the percent change in population by Michigan county over the last year. Click on a county to find out more detailed information.
Source: U.S. Census Bureau