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Archive Ireland
2015
SSE
Airtricity League
Premier Division
| No. | Club | Average | Highest | |
| 1 | Cork City FC | 3.271 | -13,4% | 6.900 |
| 2 | Dundalk FC | 3.157 | 24,6% | 3.956 |
| 3 | Shamrock Rovers FC | 2.835 | 22,2% | 4.483 |
| 4 | Sligo Rovers FC | 1.729 | -17,2% | 3.082 |
| 5 | Bohemians FC Dublin | 1.723 | 16,4% | 3.385 |
| 6 | St. Patrick's Athletic FC | 1.325 | -2,5% | 2.591 |
| 7 | Galway United FC | 1.295 | 33,5% | 2.254 |
| 8 | Derry City FC | 1.223 | -5,8% | 3.000 |
| 9 | Limerick FC | 1.207 | 39,5% | 2.647 |
| 10 | Longford Town FC | 853 | 23,2% | 2.000 |
| 11 | Drogheda United FC | 843 | -17,6% | 2.000 |
| 12 | Bray Wanderers AFC | 823 | -3,8% | 2.700 |
| . | Total | 1.695 | 8,7% | 6.900 |
First Division
| No. | Club | Average | Highest | |
| 1 | Finn Harps FC | 808 | 74,6% | 1.200 |
| 2 | Shelbourne FC | 630 | -18,1% | 1.200 |
| 3 | Cabinteely FC | 586 | NEW | 1.420 |
| 4 | Wexford Youths FC | 558 | 47,7% | 1.300 |
| 5 | Waterford United FC | 432 | -8,8% | 600 |
| 6 | Cobh Ramblers FC | 313 | 16,1% | 450 |
| 7 | Athlone Town FC | 299 | -56,1% | 500 |
| 8 | UCD Dublin AFC | 262 | -39,1% | 750 |
| . | Total | 487 | -8,8% | 1.420 |