Census data shows Smithers added 187 residents in the last five years, rising to a population of 5,404.
That 3.6 per cent population boost brings the Town of Smithers to roughly the same population it had ten years ago.
Telkwa saw a rise as well, adding 55 new residents to reach a total population of 1,350.
The rural areas surrounding Smithers also grew since the 2006 census. Electoral area 'A' took in 101 new residents over the last five years, bringing its population to 5,391.
Regionally, the Bulkley-Nechako saw a 2.5 rise since 2006, gaining 965 people to reach a total population of 39,208 people.
As a whole, British Columbia saw a seven per cent population boost between 2006 and 2011. That's part of a national trend that saw more Canadians living in B.C. and Prairie provinces than ever before.
Canada's entire population rose to 33.5 million in 2011, roughly double the 18.2 million who lived in Canada fifty years ago.
Laurent Martel, a demography expert with Statistics Canada, said on Wednesday that the census shows Canada is only growing because of immigration.
"With population aging and a fairly stable fertility, the number of deaths is increasing and the number of births is remaining more or less the same every year," he said, "Over the last 10 years, migratory increase became the key driver of Canada's population growth."