Three teams, UCLA, Northwestern and Oregon State, have no counties in which they were the most-favored team. UCLA is out-fanned in every relevant county by USC, Wisconsin fans dominate over those rooting for Northwestern, and Oregon tops Oregon State
Texas, Florida and Ohio State have more of a national following than other teams on the list
County-by-county: Texas fans are tops in 543 counties across the country, followed by Florida with 423 counties, Ohio State with 376, Nebraska with 324, and Oregon with 233 counties
Most states: Florida fans dominate on a state level with counties in 27 different states. Ohio State and Texas are second and third on the list, with fans in 24 and 23 states, respectively
Illinois has the most diversity, with 10 different teams represented across 102 counties; Missouri is second with nine teams
In 10 states, every single county favors the same team. Fans in five of them root for a team that is local, while the other five support non-local teams.
Alabama (Alabama)
Louisiana (LSU)
Ohio (Ohio State)
Oregon (Oregon)
Wisconsin (Wisconsin)
Delaware (Florida)
Hawaii (Oregon)
New Mexico (Texas)
Rhode Island (Florida)
Washington (Oregon)
Five teams have fans who dominate in only one or two counties nationwide: Clemson and Stanford are tops in two counties in the states of South Carolina and California, respectively; Stanford dominates two counties in California; TCU wins only its home county in Texas; Texas A&M wins one county in its home state and another in Arkansas; Oklahoma State wins only one county
Interesting pockets: Notre Dame fans in eastern Pennsylvania; Ohio State fans in Arizona; lone Florida holdout in Jasper County, GA; pocket of Texas fans in the middle of Maine; Florida fans in the Northeast