| 00664354 | Grey Cloud Island Township | 1970 | CENS | 389 | 98 | 0 | 389 |
| 00664354 | Grey Cloud Island Township | 1980 | CENS | 351 | 112 | 0 | 351 |
| 00664354 | Grey Cloud Island Township | 1990 | CENS | 414 | 165 | 0 | 414 |
| 00664354 | Grey Cloud Island Township | 2000 | CENS | 307 | 117 | 0 | 307 |
| 00664354 | Grey Cloud Island Township | 2010 | CENS | 295 | 117 | 0 | 295 |
| 00664354 | Grey Cloud Island Township | 2020 | CENS | 283 | 97 | 0 | 283 |
| 00664354 | Grey Cloud Island Township | 2023 | METC | 286 | 100 | 0 | 286 |
| 00664354 | Grey Cloud Island Township | 2030 | FORECAST | 287 | 102 | | 287 |
| 00664354 | Grey Cloud Island Township | 2040 | FORECAST | 297 | 109 | | 297 |
| 00664354 | Grey Cloud Island Township | 2050 | FORECAST | 311 | 115 | | 311 |