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 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
- St. Barnabé
- St. Hyacinthe (Notre Dame de)
- 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 3 categories.
Population & families (1921). This community's record includes 828 total population, 439 males in the population, 428 males born in Canada, 389 females in the population, 383 females born in Canada, 11 males born outside the British Empire, 6 females born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 828 persons of French origin. (Source: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 828 Roman Catholics. (Source: 1921 Census of Canada, V1T38.)
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/.