Middlesex—London is a federal

electoral district An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

, Canada. It came into effect upon the call of the

2025 Canadian federal election The 2025 Canadian federal election was held on April 28, 2025, to elect members of the House of Commons of Canada, House of Commons to the 45th Canadian Parliament. Governor General Mary Simon issued the writs of election on March 23, 2025, afte ...

Geography

Under the

2022 Canadian federal electoral redistribution A redistribution of federal electoral districts ("ridings") began in Canada following the results of the 2021 Canadian census. The Constitution of Canada requires that federal electoral districts that compose the House of Commons undergo a re ...

the riding will partially replace

Lambton—Kent—Middlesex Lambton—Kent—Middlesex could refer to: * Lambton—Kent—Middlesex (federal electoral district) * Lambton—Kent—Middlesex (provincial electoral district) {{Disambiguation ...

. * Gains Thames Centre from Elgin—Middlesex—London * Gains all of the City of

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

north of Fanshawe Park Road from London West, London North Centre and London—Fanshawe * Loses all of its territory in

Lambton County Lambton County is a county in Southwestern Ontario, Canada. It is bordered on the north by Lake Huron, which is drained by the St. Clair River, the county's western border and part of the Canada-United States border. To the south is Lake Saint Cla ...

Sarnia—Lambton—Bkejwanong Sarnia—Lambton—Bkejwanong (formerly known as Sarnia—Lambton) is a federal electoral district (Canada), electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1968. It is located in the ar ...

* Loses all of its territory in

Chatham-Kent Chatham-Kent (Canada 2021 Census, 2021 population: 103,988) is a Census divisions of Ontario#Single-tier municipalities, single-tier municipality in Southwestern Ontario, Canada. It is mostly rural, and its population centres are Chatham, Wallac ...

to Chatham-Kent—Leamington

Demographics

''According to the

2021 Canadian census The 2021 Canadian census was a detailed enumeration of the Canada, Canadian population with a reference date of May 11, 2021. It follows the 2016 Canadian census, which recorded a population of 35,151,728. The overall response rate was 98%, whic ...

'' Languages: 82.4% English, 1.8% Mandarin, 1.5% Portuguese, 1.4% Arabic, 1.2% Dutch, 1.2% Spanish, 1.1% French, 1.1% Korean Religions: 58.2% Christian (22.8% Catholic, 9.2% United Church, 5.0% Anglican, 2.8% Presbyterian, 2.0% Baptist, 1.5% Christian Orthodox, 1.1% Pentecostal, 1.1% Reformed, 12.9% Other), 34.6% No religion, 3.8% Muslim, 1.3% Hindu Median income: $46,000 (2020) Average income: $58,050 (2020)

History

Election results

References

Notes