Thornhill, ON — 2021 Federal Election Results Map
Thornhill — 2021 Election Results
Poll-by-poll results for Thornhill in the 2021 Canadian federal election. The Conservative candidate won this riding. Explore detailed voting data, candidate results, and turnout statistics at the poll level.
Riding information
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Thornhill is a federal riding in the Regional Municipality of York, immediately north of Toronto. The riding consists of the portion of the City of Vaughan east of Highway 400 and south of Rutherford Road, along with a small section of the City of Markham west of Highway 404. The constituency takes in the communities of Thornhill, Concord, and the Vaughan Metropolitan Centre—a rapidly developing transit-oriented hub. The landscape is predominantly suburban, with residential subdivisions, commercial plazas, and pockets of remaining agricultural land.
The 2016 census recorded a population of approximately 112,700. Thornhill is one of the most ethnically diverse ridings in York Region—about 57 percent of residents identify as White, 11 percent as Chinese, 7 percent as West Asian, 6 percent as South Asian, 5 percent as Korean, and 5 percent as Filipino. The riding has the largest Jewish population of any federal constituency in Canada, at approximately 29.5 percent. Russian is the most commonly spoken non-official language at about 14.5 percent. The riding is well-educated, with 66 percent of residents aged 15 and older holding postsecondary credentials.
Candidates
Melissa Lantsman (Conservative) — Born in Toronto in 1984 to a Ukrainian Jewish family, Lantsman was raised in Thornhill and attended Langstaff Secondary School's French immersion program, acquiring fluency in English, French, and Russian. She worked as a communications adviser to several Cabinet ministers in the government of Prime Minister Stephen Harper and served as senior adviser and chief spokesperson for the Progressive Conservative Party of Ontario during the 2018 provincial election. She was previously national Vice-President of Public Affairs at Enterprise Canada, a strategic communications firm. She is the first openly lesbian and first Jewish woman elected as a Conservative MP.
Gary Gladstone (Liberal) — Gladstone is a businessman and philanthropist who moved to Thornhill over twenty-five years ago with his wife Melanie. He graduated from the University of Waterloo with a degree in Computer Science, began his career at CP Rail, and later joined his family's jewelry business, which grew into a national enterprise. He has helped raise over $27 million for charities and non-profits, including work with Reena, UJA Federation of Greater Toronto, and the Kenora Chiefs Advisory. He received the Queen Elizabeth II Diamond Jubilee Medal for his volunteer service.
Raz Razvi (NDP) — Razvi is a former naval officer and college professor who teaches graduate-level courses in global business management. He earned his MBA from Western University's Ivey Business School and previously studied systems engineering in Pakistan. He lives in Thornhill with his family and is a certified dog trainer and animal welfare educator.
Samuel Greenfield (PPC) — Greenfield was the People's Party of Canada candidate in Thornhill, running on the party's platform of fiscal conservatism and personal liberty.
About the Riding
Thornhill's Jewish community is the defining demographic feature of the riding and one of the most significant in Canadian political life. Synagogues, Jewish day schools, kosher restaurants, and community organizations are woven throughout the constituency. The community includes a large population of Russian-speaking Jewish immigrants who arrived in the 1970s and after the collapse of the Soviet Union, giving the riding a distinctive cultural character that blends Eastern European heritage with Canadian suburban life. The Jewish Russian Community Centre of West Thornhill is among the institutions serving this population.
The riding's economy is driven by retail, professional services, and the rapid development of the Vaughan Metropolitan Centre—a major transit hub anchored by the extension of the Toronto-York Spadina Subway, which opened in 2017. The VMC has attracted office towers, condominium developments, and the KPMG Canada headquarters, transforming what was once a largely suburban landscape into a mixed-use urban node. Vaughan Mills, a regional outlet mall, is another commercial anchor.
Thornhill's political history has seen it swing between the Conservatives and Liberals. The riding's diverse electorate—spanning the Jewish community, Korean-Canadian, Chinese-Canadian, and South Asian-Canadian populations, and a growing contingent of young families in new condominium developments—makes it a closely watched bellwether in the 905 belt surrounding Toronto. Traffic congestion, transit expansion, and housing affordability in a rapidly densifying suburban market are recurring campaign issues.





