With the exception of a brief influx of homesteaders in the wake of Prince Rupert being chosen as the terminus of the Grand Trunk Pacific Railway in 1906, Porcher Island has always been sparsely populated.
Coa excepción dunha breve afluencia de colonos a raíz da elección da vila do Príncipe Rupert como o término do Ferrocarril do Pacífico en 1906, a Illa Porcher sempre estivo escasamente poboada.