St. Théophile, Quebec (1921 census)
St. Théophile was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 1,266. The community is grounded to Wikidata Q112912817. The administrative centroid was at approximately 46.587°N, 72.639°W.
Population
In 1921, St. Théophile had a population of 1,266: 657 male and 609 female residents. Population density was 56.9 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1901 | 1,321 |
| 1911 | 1,348 |
| 1921 | 1,266 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Boundary continuity (non-identical overlaps)
Spatial polygon overlaps with adjacent census years where the boundary shifted enough that the SAME_AS chain didn't merge them. These show where the territory came from and went to even when it isn't tracked as the same persistent place.
Earlier boundary forms
- In an earlier year, this CSD was contained in St. Théophile, 1911 (76.4% share).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Théophile shared boundaries with:
- Grand Mère, C
- Notre Dame de la Présentation d'Almaville, par.
- Notre-Dame du Mont Carmel
- St. Georges E., VL
- St. Narcisse
- St. Timothée
Full census record, 1921
The 1921 census recorded 17 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 609 |
| POP M | 657 |
| POP TOT | 1,266 |
Other recorded variables (14 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 5 |
| BRIT BORN F | 1 |
| BRIT BORN M | 2 |
| BRIT ENG | 7 |
| BRIT SCOTCH | 3 |
| CAN BORN F | 594 |
| CAN BORN M | 632 |
| EUR FRENCH | 1,242 |
| EUR ITALIAN | 14 |
| FOREIGN BORN F | 14 |
| FOREIGN BORN M | 23 |
| PRESBYTERIANS | 2 |
| ROMAN CATHOLICS | 1,257 |
| UNSPECIFIED | 2 |
Identifiers
- TCP UID:
QC047022— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC047022— computed from spatial-overlap chains across census years - Wikidata: Q112912817
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. Théophile, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-th-ophile-qc047022-1921/.