found numbers from the 2021-22 school year:
this was for 11-player football (so 9-man not included)
(total population in parentheses)
Texas 162,132 (30.5 mill- 2nd place)
California 84,626 (38.9 mill - 1st)
Ohio 40,267 (11.7 mill - 7th)
Florida 37.898 (22.6 mill - 3rd)
Illinois 35,708 (12.5...