Thorold, Ontario (1921 census)
Thorold was a census subdivision in Ontario, recorded in the 1921 Census of Canada with a population of 4,739. The community is grounded to Wikidata Q448120. The administrative centroid was at approximately 43.064°N, 79.234°W.
Population
In 1921, Thorold had a population of 4,739: 2,687 male and 2,052 female residents. Population density was 108.0 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 2,735 |
| 1861 | 2,837 |
| 1871 | 2,501 |
| 1881 | 2,456 |
| 1891 | 2,316 |
| 1901 | 2,025 |
| 1911 | 2,085 |
| 1921 | 4,739 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1921
In the 1921 census, Thorold shared boundaries with:
Full census record, 1921
The 1921 census recorded 43 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 2,052 |
| POP M | 2,687 |
| POP TOT | 4,739 |
Other recorded variables (40 variables)
| Variable | Value |
|---|---|
| ADVENTISTS | 21 |
| ANGLICANS | 1,287 |
| ASIA CHINESE AND JAPANESE | 5 |
| ASIA SYRIAN | 1 |
| BAPTISTS | 309 |
| BRIT BORN F | 440 |
| BRIT BORN M | 555 |
| BRIT ENG | 2,636 |
| BRIT IRISH | 385 |
| BRIT OTHER | 1 |
| BRIT SCOTCH | 430 |
| CAN BORN F | 1,324 |
| CAN BORN M | 1,484 |
| CONGREGATIONALISTS | 3 |
| DISCIPLES OF CHRIST | 20 |
| EASTERN RELIGIONS | 3 |
| EUR AUSTRIAN | 376 |
| EUR DUTCH | 26 |
| EUR FINNISH | 23 |
| EUR FRENCH | 103 |
| EUR GERMAN | 94 |
| EUR GREEK | 16 |
| EUR ITALIAN | 96 |
| EUR OTHER | 105 |
| EUR POLISH | 138 |
| EUR RUSSIAN | 146 |
| EUR SCANDINAVIAN | 5 |
| EUR UKRAINIAN | 153 |
| FOREIGN BORN F | 288 |
| FOREIGN BORN M | 648 |
| GREEK CHURCH | 579 |
| LUTHERANS | 62 |
| MENNONITES | 3 |
| METHODISTS | 1,187 |
| OTHER SECTS | 84 |
| PRESBYTERIANS | 376 |
| PROTESTANTS | 1 |
| ROMAN CATHOLICS | 789 |
| SALVATION ARMY | 6 |
| UNSPECIFIED | 9 |
Identifiers
- TCP UID:
ON151006— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON151006— computed from spatial-overlap chains across census years - Wikidata: Q448120
- Wikipedia (EN): https://en.wikipedia.org/wiki/Thorold
- Wikipédia (FR): https://fr.wikipedia.org/wiki/Thorold_(Ontario)
Sources
Census tabulations from the 1921 Census of Canada, transcribed and georeferenced by the Canadian Peoples / TCP project, hosted at the HGIS Lab, University of Saskatchewan. Persistent place identity computed from spatial-overlap chains across all available census years (1851–1921). Identity grounding to Wikidata performed via the HGIS Canada Knowledge Graph project's MCP-assisted disambiguation pipeline. See the About / Methodology page for the full data pipeline.
Cite this page
Clifford, J. (2026). "Thorold, Ontario (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/thorold-on151006-1921/.