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

St. Thomas, Ontario

St.

Updated July 30, 20261 min readCited sources

St. Thomas is a city in southwestern Ontario, Canada, and the seat of Elgin County. Incorporated as a city in 1881, it is known for its railway heritage, industrial base, and public parks and gardens.

What it is

St. Thomas is a mid-sized city in southwestern Ontario, located south of London and near the north shore of Lake Erie. It serves as the county seat of Elgin County and had a population of 42,840 in the 2021 census. The city is nicknamed "The Railway City" due to its historical importance as a railway town and division point.

Why it matters

St. Thomas developed as a key railway centre in the early 20th century, with multiple rail lines serving the city. This transportation heritage shaped its economy, which now includes diversified light manufacturing and automotive parts. The city is also known for its public parks and floral displays, sometimes called "The Garden City," and for the memorial to Jumbo the elephant, who died nearby in 1885.

Key details

The city was incorporated in 1881, growing from early 19th-century settlement organized by Thomas Talbot. Its economy has long included transportation-linked industry and light manufacturing. St. Thomas is part of the London, Ontario regional area and is located near the north shore of Lake Erie.

In short

  • St. Thomas is the seat of Elgin County in southwestern Ontario.
  • It was incorporated as a city in 1881 and had a 2021 population of 42,840.
  • Known as "The Railway City" for its historic role as a railway hub.
  • The city features public parks, floral displays, and a memorial to Jumbo the elephant.
Canadian angle

St. Thomas is notable to Canadian readers as an Ontario county seat with a strong railway and industrial history, and as part of the London, Ontario regional area.

Quick questions

What is St. Thomas, Ontario?
St. Thomas is a city in southwestern Ontario, Canada, and the seat of Elgin County.
When was St. Thomas incorporated as a city?
St. Thomas gained city status in 1881.
Why is St. Thomas known as the Railway City?
It became an important railway town and division point, with multiple rail lines serving the city by the early 20th century.

Sources

  1. Wikipedia — https://en.wikipedia.org/wiki/St._Thomas,_Ontario
    Supports: City status, county seat, 2021 census population, basic location.
  2. The Canadian Encyclopedia — https://www.thecanadianencyclopedia.ca/en/article/st-thomas
    Supports: Incorporation date, location, history, railway significance, Jumbo, parks, and economic character.
  3. Encyclopaedia Britannica — https://www.britannica.com/place/Saint-Thomas-Ontario
    Supports: City description, settlement history, railway importance, industrial base.
  4. City of St. Thomas — https://www.city-of-stthomas.on.ca/visiting_us
    Supports: Municipal description, location, and visitor-facing geographic context.