Pennsylvania is Steelers Country and that's annoying
List of NFL Teams & Stadiums (2022) – GeoJango Maps
Twitter map shows the most popular NFL teams in each county of the United States
NFL Fan Map: Favorite Team by County
Oorang Indians, all-Native American NFL team, played 100 years ago - The Washington Post
Twitter map shows the most popular NFL teams in each county of the United States
Maps Mania: The NFL Maps of the United States
Map: Most dominant football programs of the past decade in all 50 states
NFL Fan Map: Favorite Team by County