Thunder Bay is the most populous city in Northwestern Ontario, in Canada. Its population was 108,843 as of the 2021 census. Before, it was two cities called Fort William and Port Arthur. Thunder Bay has the second largest population in Northern Ontario, behind Greater Sudbury.
Quick facts Country, Province ...
Thunder Bay |
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| City of Thunder Bay |
From top, left to right: view from Mount McKay, Lakehead University, Magnus Theatre, City Hall, Tourist Pagoda |
 Flag  Coat of arms |
Nicknames: "Canada's Gateway to the West", "T-Bay", "Lakehead" or "The Lakehead" [1] |
| Motto: Superior by Nature / The Gateway to the West |
Location of Thunder Bay in Ontario |
| Coordinates: 48°22′56″N 89°14′46″W[2] |
| Country | Canada |
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| Province | Ontario |
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| District | Thunder Bay |
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| CMA | Thunder Bay |
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| Settled | 1683 as Fort Caministigoyan |
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| Amalgamation | 1 January 1970 |
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Electoral Districts
Federal |
Thunder Bay—Superior North/Thunder Bay—Rainy River |
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| Provincial | Thunder Bay—Superior North/Thunder Bay—Atikokan |
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| • Type | Municipal Government |
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| • Mayor | Ken Boshcoff |
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| • City manager | Norm Gale[5] |
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| • Governing Body | Thunder Bay City Council |
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| • MPs | Patty Hajdu (Liberal)
Marcus Powlowski (Liberal) |
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| • MPPs | Lise Vaugeois (ONDP)
Kevin Holland (Progressive Conservative Party of Ontario) |
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| • City (single-tier) | 447.5 km2 (172.8 sq mi) |
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| • Land | 328.24 km2 (126.73 sq mi) |
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| • Water | 119.0 km2 (45.9 sq mi) 26.6% |
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| • Urban | 179.38 km2 (69.26 sq mi) |
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| • Metro | 2,556.37 km2 (987.02 sq mi) |
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| Elevation | 199 m (653 ft) |
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| • City (single-tier) | 108,843 (51st) |
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| • Density | 332.1/km2 (860/sq mi) |
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| • Urban | 95,266 (36th) |
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| • Urban density | 1,253/km2 (3,250/sq mi) |
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| • Metro | 123,258 (34th) |
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| • Metro density | 48.3/km2 (125/sq mi) |
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| Demonym | Thunder Bayer |
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| • Thunder Bay CMA | CA$6.2 billion (2020)[11] |
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| Time zone | UTC−05:00 (EST) |
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| • Summer (DST) | UTC−04:00 (EDT) |
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| Forward sortation area | P7A to P7G, P7J to P7K |
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| Area code | 807 |
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| NTS Map | 52A6 Thunder Bay |
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| GNBC Code | FCWFX[12] |
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| Website | www.thunderbay.ca |
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