York—South Simcoe (; formerly New Tecumseth—Gwillimbury) is a federal electoral district in Ontario, Canada.
It came into effect upon the call of the 2025 Canadian federal election, during which it was named New Tecumseth—Gwillimbury. The riding changed to its current name in 2026 as part of Bill C-25 of the 45th Canadian Parliament.
Geography The constituency covers an east to west area in Central Ontario. The riding contains the municipalities of Bradford West Gwillimbury, New Tecumseth and almost the entirety of East Gwillimbury.
Demographics According to the 2021 Canadian census
Languages: 74.3% English, 2.4% Portuguese, 2.2% Italian, 2.0% Spanish, 1.8% Russian, 1.7% Farsi, 1.6% Mandarin, 1.4% French, 1.3% Cantonese, 1.1% Tamil, 1.0% Urdu
Religions: 58.7% Christian (31.7% Catholic, 4.3% United Church, 3.9% Anglican, 2.9% Christian Orthodox, 1.6% Presbyterian, 1.2% Baptist, 1.2% Pentecostal, 11.9% Other), 30.7% No religion, 4.3% Muslim, 2.5% Hindu, 1.3% Buddhist, 1.0% Sikh
Median income: $44,800 (2020)
Average income: $55,600 (2020)
+ Racial groups in New Tecumseth—Gwillimbury (2021) Racial group2021 White 85,875 South Asian 7,200 Chinese 4,760 Black 3,845 West Asian 3,430 Latin American 3,055 Southeast Asian 2,005 Indigenous 1,750 Filipino 1,660 Arab 1,365 Korean 540 Japanese 160 Other 970 Multiple races 1,165 Total responses 117,785 Total population 119,360
History The riding was created under the 2022 Canadian federal electoral redistribution, largely replacing York—Simcoe, and gaining part of Simcoe—Grey.
Election results
2021 federal election redistributed results Party Vote % Conservative 23,600 47.67 Liberal 14,987 30.27 New Democratic 6,461 13.05 People's 3,708 7.49 Green 613 1.24 Christian Heritage 140 0.28 Total valid votes 49,509 99.19 Rejected ballots 405 0.81 Registered voters/ estimated turnout 87,548 57.01
See also
List of Canadian electoral districts
Notes
References