Among the 15 counties on our list is Kent County, Michigan. In turn, Kent County, which includes Grand Rapids, is Michigan’s fourth-most-populous county, with 661,000 residents, or 6.6% of the ...

Michigan saw 55 counties — almost 67% of the state — increase in population last year, according to new Vintage 2024 estimates from the U.S. Census Bureau. The state had a total net gain of ...