Numbers according to US News & World Report
Florida:
USF has around 5,452 undergrad students living on campus (18% of 30,289 undergrad)
FSU has around 6,530 undergrad students living on campus (20.3% of 32,171 undergrad)
UCF has around 8,511 undergrad students living on campus (16.7% of 50,968 undergrad)
UF has around 7,866 undergrad students living on campus (24% of 32,776 undergrad)
FIU has around 2,622 undergrad students living on campus (7% of 37,468 undergrad)
FAU has around 1,489 undergrad students living on campus (6% of 24,823 undergrad)
Notables:
Alabama has around 7,679 undergrad students living on campus (24.6% of 28,026 undergrad)
Auburn has around 4,035 undergrad students living on campus (20% of 20,175 undergrad)
Louisville has around 4,277 undergrad students living on campus (27.2% of 15,727 undergrad)
Memphis has around 2,470 undergrad students living on campus (14% of 17,647 undergrad)
Arizona State has around 11,698 undergrad students living on campus (19.7 % of 59,382 undergrad)
Houston has around 5,222 undergrad students living on campus (16% of 32,639 undergrad)