Dauphin is a city in Manitoba, Canada, with a population of 8,368 as of the 2021 Canadian Census. The community is surrounded by the Rural …Dauphin is a city in Manitoba, Canada, with a population of 8,368 as of the 2021 Canadian Census. The community is surrounded by the Rural Municipality of Dauphin. The city takes its name from Lake Dauphin and Fort Dauphin, which were named by explorer Pierre Gaultier de La Vérendrye in honour of the Dauphin of France, the heir to the French throne. Dauphin is Manitoba's ninth largest community and serves as a hub to the province's Parkland Region.