I just compiled a list of playoff appearances in the 24/28-team era (16 seasons/404 total berths). It's interesting that Northwest Missouri State has made it all 16 years, but no one else has managed more than 11. A total of 91 current D2 programs have made it in that span, plus 16 former ones.
SR1
GMAC
Ashland 5
Hillsdale 3
Ohio Dominican 2
Findlay 1
Tiffin 1
MEC
UNC Pembroke 3
Concord 2
Notre Dame (OH) 2
Charleston 1
Fairmont State 1
West Liberty 1
NE10
Southern Connecticut 4
Assumption 3
New Haven 3
American International 2
Bentley 1
PSAC
Shepherd 10
West Chester 10
Bloomsburg 7
California (PA) 7
Indiana (PA) 6
Slippery Rock 5
Kutztown 4
Shippensburg 4
East Stroudsburg 3
Edinboro 2
Mercyhurst 1
Seton Hill 1
SR2
CIAAGSC
Valdosta State 11
Delta State 7
West Alabama 5
West Georgia 4
North Greenville 2
West Florida 2
SACSIAC
Albany State 8
Tuskegee 4
Miles 2
Fort Valley State 1
Morehouse 1
SR3
GAC
Harding 6
Ouachita Baptist 4
Henderson State 3
Arkansas Tech 2
Southeastern Oklahoma State 1
GLIAC
Grand Valley State 11
Ferris State 6
Saginaw Valley State 4
Northwood 3
Michigan Tech 2
Wayne State (MI) 1
GLVC
Indianapolis 6
Lindenwood 1
Southwest Baptist 1
MIAASR4
GNAC
Central Washington 4
LSC
Midwestern State 8
West Texas A&M 7
Texas A&M Commerce 5
Texas A&M Kingsville 3
Angelo State 2
NSICRMAC
CSU Pueblo 8
Colorado Mines 6
Chadron State 4
Colorado Mesa 2
Former D2 teams (last D2 season in parentheses):
SR1
GMAC
Ashland 5
Hillsdale 3
Ohio Dominican 2
Findlay 1
Tiffin 1
MEC
UNC Pembroke 3
Concord 2
Notre Dame (OH) 2
Charleston 1
Fairmont State 1
West Liberty 1
NE10
Southern Connecticut 4
Assumption 3
New Haven 3
American International 2
Bentley 1
PSAC
Shepherd 10
West Chester 10
Bloomsburg 7
California (PA) 7
Indiana (PA) 6
Slippery Rock 5
Kutztown 4
Shippensburg 4
East Stroudsburg 3
Edinboro 2
Mercyhurst 1
Seton Hill 1
SR2
CIAAGSC
Valdosta State 11
Delta State 7
West Alabama 5
West Georgia 4
North Greenville 2
West Florida 2
SACSIAC
Albany State 8
Tuskegee 4
Miles 2
Fort Valley State 1
Morehouse 1
SR3
GAC
Harding 6
Ouachita Baptist 4
Henderson State 3
Arkansas Tech 2
Southeastern Oklahoma State 1
GLIAC
Grand Valley State 11
Ferris State 6
Saginaw Valley State 4
Northwood 3
Michigan Tech 2
Wayne State (MI) 1
GLVC
Indianapolis 6
Lindenwood 1
Southwest Baptist 1
MIAASR4
GNAC
Central Washington 4
LSC
Midwestern State 8
West Texas A&M 7
Texas A&M Commerce 5
Texas A&M Kingsville 3
Angelo State 2
NSICRMAC
CSU Pueblo 8
Colorado Mines 6
Chadron State 4
Colorado Mesa 2
Former D2 teams (last D2 season in parentheses):
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