There are currently 21 colleges and universities in the state of Michigan that field football teams in the NCAA or NAIA.
They are (in order of overall win percentage since 1945):
Grand Valley State (NCAA Division II) - .734
Michigan (NCAA Division I-FBS) - .715
Hillsdale (II) - .636
Siena Heights (NAIA) - .625
Albion (NCAA Division III) - .614
Hope (III) - .593
Central Michigan (I-FBS) - .585
Michigan State (I-FBS) - .578
Saginaw Valley State (II) - .565 (.5652)
Northern Michigan (II) - .565 (.5649)
Alma (III) - .544
Western Michigan (I-FBS) - .514
Michigan Tech (II) - .509
Northwood (II) - .492
Ferris State (II) - .489
Adrian (III) - .476
Wayne State (II) - .435
Kalamazoo (III) - .419
Eastern Michigan (I-FBS) - .390
Olivet (III) - .328
Concordia (NAIA) - .000 (began program in 2011, and is 0-14 all-time)
Additionally, Detroit Mercy ended its football rpgoram after the 1964 season. Based on win percentage (.467), Detroit Mercy would fall between Adrian and Wayne State on the above list.
Michigan fans believe the maize and blue are true winners. The stadium is always packed for home games and traffic that jams freeways hours before and directly following games. Rumor has it, Michigan has some of the best tailgating parties ever.
Division I has two subdivisions for football.
In Michigan, there are no Division I-FCS programs.
There are two Division I programs that do not sponsor football teams (Oakland University and the University of Detroit Mercy)
There are five Division I-FBS programs.
Michigan (Big Ten)
Michigan State (Big Ten)
Western Michigan (MAC)
Eastern Michigan (MAC)
Central Michigan (MAC)
Michigan is an all around great team, they probably fall number 5.
I don't know the exact answer. I just know it's been a very long time since they've been ranked #1 now that they keep playing like #2.
1999. 11th ranked Spartans defeated the 4th ranked Wolverines 34-31 in East Lansing.
Penn State was last ranked in football during the 2011 football season. During Week 14, the last poll prior to the bowl season and the following "Final" polls, Penn State was ranked in both the AP (No. 24) and Coaches' (No. 23) polls. After losing their bowl game, the Nittany Lions were unranked in both final polls.
2012, Arkansas was in the top 10 from week 6 on. their highest spot was number 3
Michigan, 27-7, on September 2, 2006.
September 27, 2014 vs. Minnesota.