The US County Where 69% Percent of Residents Are Mainline Protestant
Oct 26, 2026
Nelson County, North Dakota posted the highest Mainline Protestant share of any US county in the 2020 Religion Census, 69.45 percent of its population of 3,015. This animated map plots Mainline Protestant adherence across every US county.
Source, Association of Religion Data Archives, 2020 US Religion Census
Read more: https://vividmaps.com/mainline-protestant-population/
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