St. Roch de l'Achigan, Quebec (1921 census)
St. Roch de l'Achigan was a township in Quebec (Canada West / Ontario), recorded in the 1921 Census of Canada with a population of 1,718. The administrative centroid was at approximately 45.848°N, 73.619°W.
Population
In 1921, St. Roch de l'Achigan had a population of 1,718: 885 male and 833 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1901 | 1,841 |
| 1911 | 2,200 |
| 1921 | 1,718 |
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. Roch de l'Achigan shared boundaries with:
Full census record, 1921
The 1921 census recorded 12 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 833 |
| POP M | 885 |
| POP TOT | 1,718 |
Other recorded variables (9 variables)
| Variable | Value |
|---|---|
| BRIT BORN M | 5 |
| BRIT ENG | 6 |
| BRIT OTHER | 1 |
| CAN BORN F | 831 |
| CAN BORN M | 873 |
| EUR FRENCH | 1,711 |
| FOREIGN BORN F | 2 |
| FOREIGN BORN M | 7 |
| ROMAN CATHOLICS | 1,718 |
Identifiers
- TCP UID:
QC065009— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC065009— computed from spatial-overlap chains across census years - Wikidata: not yet grounded. This page covers a place whose persistent identity has not yet been linked to a Wikidata entity. Identification is via TCP UID and spatial polygon only.
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. Roch de l'Achigan, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-roch-de-l-achigan-qc065009-1921/.