Update: NCAA Twitter Rankings

Thanks solely to the work of @maryzpink and the Iowa State Marketing Department, here is an updated look at the ranking of official athletics Twitter accounts:

Rank
School
Twitter Name
Followers
1
Florida
12,545
2
Kentucky
12,291
3
Oklahoma
9,197
4
Iowa
7,816
5
LSU
7,507
6
Kansas
7,173
7
Alabama
6,796
8
Michigan
6,608
9
UCLA
6,399
10
Washington
6,385
11
Arkansas
6,141
12
Georgia Tech
5,834
13
Nortre Dame
5,427
14
Missouri
4,939
15
South Carolina
4,428
16
Tennessee
4,117
17
Ohio State
4,088
18
Oregon
4,022
19
West Virginia
4,018
20
Georgia
3,964
21
Purdue
3,724
22
Wisconsin
3,490
23
Mississippi State
3,342
24
Baylor
3,305
25
Miami
3,246
26
Marquette
3,200
27
Georgetown
3,129
28
Ole Miss
OleMissNow
2,981
29
Nebraska
2,960
30
Texas Tech
2,940
31
UNLV
UNLVAthletics
2,934
32
Texas A&M
2,659
33
Oklahoma State
2,650
34
Arizona
2,594
35
Arizona State
2,525
36
Texas 
2,450
37
Florida State
2,434
38
Minnesota
2,386
39
Utah
UtahAthletics
2,339
40
Kansas State
2,315
41
Rutgers
2,314
42
California
2,278
43
Washington State
2,106
44
Stanford
2,099
45
Wake Forest
2,062
46
Hawaii
HawaiiAthletics
1,953
47
Louisville
1,894
48
Cincinnati
1,838
49
Colorado
1,801
50
Oregon State
1,800
51
Virginia Tech
1,794
52
Providence
1,777
53
Auburn
1,762
54
NC State
1,697
55
Army
ArmyAthletics
1,690
56
Syracuse
1,689
57
Virginia
1,683
58
Penn State
1,675
59
Uconn
1,656
60
Navy
NavyAthletics
1,609
61
USF
1,596
62
Gonzaga
GonzagaBulldogs
1,571
63
Harvard
Harvardcrimson
1,511
64
DePaul
1,382
65
Iowa State
1,376
66
Missouri State
1,341
67
James Madison
1,206
68
St. Johns
1,110
69
Bowling Green
1,094
70
Michigan State
1,084
71
USC
1,056
72
Duke
1,016
73
Boston College
928
74
UNI
UNIAthletics
894
75
Vanderbilt
883
76
Seton Hall
839
77
Clemson
788
78
Richmond
590
79
Vilanova
496
80
Indiana
280

Also, you can find official Twitter accounts organized by conference here: http://twitter.com/muathletics/lists