DENOMINATIONS & A map of the most common Christian denominations by county

by Gwen Sharp, PhD, W & W Norton and Company Publishers, February 25, 2009.

Churches

The counties with a dot indicate that 50% or more of residents belong to the dominant denomination. Unsurprisingly, we see that the South is dominated by Baptists (which includes Southern Baptists). The relatively high prevalence of Lutherans in the upper Midwest is due to the large number of Scandinavian Lutherans who settled in that region in the late 1800s and early 1900s.

Read more at … https://thesocietypages.org/socimages/2009/02/25/religion-and-geography/