Thunder Bay Population 2026
Thunder Bay has a population of 108,843, making it the #61 biggest city in 🇨🇦 Canada, located in Ontario. Roughly 0.3% of Canada's population lives here. It is about 26× smaller than Toronto, the country's biggest city.
Population (city proper)
108,843
Rank in Canada
#61
Coordinates
48.38°N, 89.25°W
~188 m elevation · America/Toronto
Distance to capital (Ottawa)
1,080 km
671 miles, straight line
Other big cities in Ontario
Cities near Thunder Bay
- Kenora15,096 people · ~411 km away
- Sault Ste. Marie72,051 people · ~424 km away
- Steinbach15,829 people · ~557 km away
- Timmins41,788 people · ~584 km away
- Winnipeg749,607 people · ~598 km away
- Valley East17,451 people · ~649 km away
FAQ
What is the population of Thunder Bay?
Thunder Bay has a population of 108,843 (city proper, latest official figure via GeoNames), making it the #61 biggest city in Canada.
What region is Thunder Bay in?
Thunder Bay is located in Ontario, Canada.
Is Thunder Bay the capital of Canada?
No, the capital of Canada is Ottawa, about 1,080 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.