Bryan McAllister’s personal reference notebook
July 30, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Field Notes • Canada Places

Cambridge, Ontario

Cambridge is a city in the Regional Municipality of Waterloo in southern Ontario, Canada, located at the confluence of the Grand and Speed rivers.

Updated July 30, 20261 min readCited sources

Cambridge is a city in southern Ontario, formed in 1973 from the amalgamation of Galt, Preston, Hespeler, and Blair. It sits at the confluence of the Grand and Speed rivers and had a population of 138,479 in 2021.

What it is

Cambridge is one of the three core cities of Waterloo Region, alongside Kitchener and Waterloo. It was created on January 1, 1973, when the Province of Ontario merged several historic communities. The city covers a land area of 112.99 km² and has a population density of 1,225.6 people per square kilometre.

Why it matters

Cambridge is a key part of the economically significant Waterloo Region urban area, with a mix of manufacturing, technology, and service-sector activity. Its historic districts and riverfront setting contribute to its cultural identity, and its census population makes it a notable Ontario city.

Key details

The city lies at the meeting point of the Grand River and Speed River, which shaped its layout and historic districts. Cambridge's constituent communities—Galt, Preston, Hespeler, and Blair—each retain distinct character. The 2021 census recorded 138,479 residents.

In short

  • Cambridge was formed in 1973 by amalgamating Galt, Preston, Hespeler, and Blair.
  • It is one of three core cities in Waterloo Region, alongside Kitchener and Waterloo.
  • The city sits at the confluence of the Grand and Speed rivers.
  • Population was 138,479 in the 2021 census.
Canadian angle

Cambridge is a major Ontario city in Waterloo Region and is relevant to Canadian readers for its regional economic role, census population, and municipal history.

Quick questions

When was Cambridge, Ontario formed?
Cambridge was formed on January 1, 1973, through amalgamation by the Province of Ontario.
What communities became Cambridge?
The city was created from Galt, Preston, Hespeler, Blair, and parts of surrounding townships.
Where is Cambridge located?
Cambridge is in the Regional Municipality of Waterloo in southern Ontario, Canada, at the confluence of the Grand and Speed rivers.

Sources

  1. Wikipedia — https://en.wikipedia.org/wiki/Cambridge,_Ontario
    Supports: Population, land area, population density, location, amalgamation details
  2. The Canadian Encyclopedia — https://thecanadianencyclopedia.ca/en/article/cambridge
    Supports: Incorporation year, population, location, amalgamation details
  3. City of Cambridge — https://www.cambridge.ca/mayor-city-council-government/about-cambridge/
    Supports: Formation date, constituent communities, regional role
  4. Encyclopaedia Britannica — https://www.britannica.com/place/Cambridge-Ontario
    Supports: Geographic setting, amalgamation history, economic and cultural overview