St. Thomas d'Aquin, Quebec (1921 census)
St. Thomas d'Aquin was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 828. The community is grounded to Wikidata Q112912829. The administrative centroid was at approximately 45.651°N, 72.997°W.
Population
In 1921, St. Thomas d'Aquin had a population of 828: 439 male and 389 female residents. Population density was 36.6 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1901 | 814 |
| 1911 | 891 |
| 1921 | 828 |
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, St. Thomas d'Aquin shared boundaries with:
- La Présentation
- Notre-Dame
- St. Barnabé
- St. Hyacinthe le Confesseur
- St. Hyacinthe, City—Cité
- Ste. Marie Madeleine
Full census record, 1921
The 1921 census recorded 9 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 389 |
| POP M | 439 |
| POP TOT | 828 |
Other recorded variables (6 variables)
| Variable | Value |
|---|---|
| CAN BORN F | 383 |
| CAN BORN M | 428 |
| EUR FRENCH | 828 |
| FOREIGN BORN F | 6 |
| FOREIGN BORN M | 11 |
| ROMAN CATHOLICS | 828 |
Identifiers
- TCP UID:
QC091011— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC091011_1901— computed from spatial-overlap chains across census years - Wikidata: Q112912829
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). "St. Thomas d'Aquin, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-thomas-d-aquin-qc091011-1921/.