Thunder Bay—Superior North (French: Thunder Bay—Supérieur-Nord; formerly known as Thunder Bay—Nipigon) is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1976.

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Thunder Bay—Superior North

Ontario electoral district
Thunder Bay—Superior North in relation to other northern Ontario electoral districts
Federal electoral district
Legislature	House of Commons
MP	Patty Hajdu Liberal
District created	1976
First contested	1976
Last contested	2021
District webpage	profile, map
Demographics
Population (2019)[1]	82,651
Electors (2019)[2]	66,579
Area (km²)[3]	87,965
Pop. density (per km²)	0.94
Census division(s)	Thunder Bay District
Census subdivision(s)	Thunder Bay, Greenstone, Marathon, Shuniah

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It is in the northwestern part of the province of Ontario. It was created in 1976 as "Thunder Bay—Nipigon" from parts of Port Arthur and Thunder Bay ridings. It was renamed "Thunder Bay—Superior North" in 1998.

It consists of the eastern part of the Territorial District of Thunder Bay including the northern part of the city of Thunder Bay, Ontario.

13.7% of the population of the riding are of Finnish ethnic origin, the highest such percentage in Canada.^[4]

This riding lost a fraction of territory to Thunder Bay—Rainy River and gained territory from Algoma—Manitoulin—Kapuskasing during the 2012 electoral redistribution.

According to the 2021 Canadian census^[5]

Ethnic groups: 76.3% White, 17.3% Indigenous, 2.3% South Asian, 1.0% Black
Languages: 83.7% English, 3.7% French, 1.8% Italian, 1.6% Finnish
Religions: 56.7% Christian (31.6% Catholic, 4.8% United Church, 4.6% Anglican, 4.6% Lutheran, 1.2% Presbyterian, 1.0% Baptist, 8.9% Other), 1.1% Muslim, 39.2% None
Median income: $43,200 (2020)
Average income: $52,950 (2020)

Thunder Bay—Superior North consists of the part of the Territorial District of Thunder Bay

• lying east of a line drawn from the northern limit the territorial district due south to the northeast corner of the Township of Bulmer, and south along the eastern boundaries of the townships of Bulmer, Fletcher, Furlonge, McLaurin and Bertrand, east along the 6th Base Line, south along longitude 90o00( W, Dog River and the western shoreline of Dog Lake, west, along the north, west and south boundaries of the Township of Fowler, south along the Kaministiquia River, east along the northern limit of the Township of Oliver Paipoonge, south along its eastern limit and along Pole Line Road, north along Thunder Bay Expressway (Highways 11 and 17), east along Harbour Expressway and Main Street to 110th Avenue, then due east to the eastern limit of the City of Thunder Bay, along that limit to the northeast corner of the Township of Neebing, then southeast to the US border; and
• excluding the part lying south and east of a line drawn from the southwest corner of the Township of Downer due west to a line drawn due south from the southeast corner of the Township of Bain, due south to a line drawn due west from the southwest corner of the Township of McGill, due east to longitude 86o00( W, south along that longitude, and west along the White River to Lake Superior.

This riding has elected the following members of Parliament:

• List of Canadian federal electoral districts
• Historical federal electoral districts of Canada