Maps Mania: The NFL Maps of the United States
40 maps and charts that explain sports in America - Vox
Where You Live in Michigan Likely Predicts Your Favorite NFL Team
NFL fan map: Where are your team's followers?
Feature – GIS and the NFL: Sustainability and Millennial Fans - GIS user technology news
The Geography of NFL Fandom - The Atlantic
Die-Hard or Fair-Weather Fans? Ranking All 32 NFL Fan Bases
Which Team Do You Cheer For? An N.B.A. Fan Map - The New York Times
Nate Silver maps college football geography
Map: Where NFL fans are on Facebook and Twitter - Vox
The NFL's Most Republican and Democratic Fan Bases - Bloomberg
The Most Annoying Football Fans According to NFL Fanatics
The Most Popular NFL Teams by County, State
Most accurate fandom map : r/nfl