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July 30, 2026Short & citedBlog
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Field Notes • Canada Places

Ajax, Ontario

Ajax is a town in Durham Region in Southern Ontario, Canada, on the north shore of Lake Ontario.

Updated July 30, 20261 min readCited sources

Ajax is a town in Durham Region, Ontario, on the north shore of Lake Ontario, part of the Greater Toronto Area. It had 126,666 residents in the 2021 census and is known for its waterfront and rapid growth.

What it is

Ajax is a lakeside town in southern Ontario, about 11 kilometres east of Toronto. It sits between Pickering and Whitby along Lake Ontario and is part of the eastern Greater Toronto Area. The town was named after HMS Ajax, a Royal Navy cruiser from the Second World War.

Key details

As of the 2021 Census, Ajax had 126,666 residents, up 5.8% from 2016. The town covers 66.64 km² and borders Pickering to the west and north, and Whitby to the east. More than 65 languages are spoken there, reflecting its diverse community.

Why it matters

Ajax is a fast-growing suburban community within the Greater Toronto Area, popular with commuters and families. Its waterfront location on Lake Ontario offers trails, cycling routes, and green space, making it a notable destination in Durham Region.

In short

  • Ajax is a waterfront town in Durham Region, east of Toronto.
  • Population 126,666 (2021 Census), up 5.8% from 2016.
  • Named after HMS Ajax, a Second World War cruiser.
  • Part of the eastern Greater Toronto Area.
Canadian angle

Ajax is a Canadian town in the Greater Toronto Area and a commuter community within Durham Region, making it relevant to readers interested in Ontario travel, housing, and suburban growth.

Quick questions

Where is Ajax, Ontario?
Ajax is a town in Durham Region, Ontario, on the north shore of Lake Ontario, about 11 kilometres east of Toronto.
What is Ajax, Ontario's population?
Ajax had a population of 126,666 in the 2021 Census of Population.
What are things to do in Ajax, Ontario?
Destination Ontario highlights hiking and cycling trails, restaurants, and the waterfront in the Pickering-Ajax area.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Ajax,_Ontario
    Supports: Population, location, borders, area, and census details.
  2. Town of Ajaxhttps://www.ajax.ca/en/inside-townhall/about-ajax.aspx
    Supports: Official description of Ajax as a diverse waterfront community and population-growth context.
  3. Destination Ontariohttps://www.destinationontario.com/en-ca/cities-towns/pickering-and-ajax
    Supports: Tourism context, waterfront, trails, restaurants, and proximity to Toronto.
  4. YouTubehttps://www.youtube.com/watch?v=zB7p0imuXgk
    Supports: Non-official discussion mentioning commuter access and approximate housing prices; not used for core verified facts.
  5. YouTubehttps://www.youtube.com/watch?v=ABh-_WJ7HwI
    Supports: General overview of Ajax's location and suburban character; not used for core verified facts.