Ranking NFL teams' popularity across the US – NBC Sports Chicago
Who are the most popular NFL teams? Cowboys lead US in search hits
How Every NFL Team's Fans Lean Politically
NFL teams' most rabid fans, in one county-by-county map - Vox
Ravens Officially Have Some of the Best Fans in the NFL - Baltimore Beatdown
Where Do NFL Fans Live? Mapping Football Fandom Across the U.S. - Priceonomics
Countries with the Biggest NFL Fan Bases
Die-Hard or Fair-Weather Fans? Ranking All 32 NFL Fan Bases
Major League Sports Fans' Political Affiliations
Forbes says Green Bay Packers have best fans in the NFL - Los Angeles Times
Ranking the Biggest & Smallest NFL Stadiums by Capacity - BetMGM
Ranking all 32 NFL fan bases
Best & Worst Cities for Football Fans in 2023