The Religious Landscape is Undergoing Massive Change. It Could Decide the 2024 Election. - POLITICO

For instance, of Michigan's 83 counties, 65 experienced a drop in religious adherents between 2010 and 2020. In populous Oakland County, which encompasses the far northern suburbs of Detroit, the share of people affiliated with a religious congregation dropped two percent in the prior decade. That drop in share coincided with a rise in Democratic fortunes: President Joe Biden won the county by 108,000 votes, more than double Barack Obama's margin eight years earlier. Oakland County points to a future where Democrats have an easier pathway to victory as churches, synagogues and mosques continue to empty out...

https://www.politico.com/news/magazine/2023/05/14/democrats-religion-census-secular-00095858