St. Joachim de Châteauguay, Quebec (1921 census)
St. Joachim de Châteauguay was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 841. The administrative centroid was at approximately 45.342°N, 73.750°W.
Population
In 1921, St. Joachim de Châteauguay had a population of 841: 423 male and 418 female residents. Population density was 100.4 people per square mile.
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. Joachim, 1911 (45.8% share).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Joachim de Châteauguay shared boundaries with:
- Châteauguay, T-V
- De Léry, T-V
- Maple Grove, T-V
- Sault St. Louis
- St. Isidore
- Ste. Martine
- Ste. Philomène
Full census record, 1921
The 1921 census recorded 15 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 418 |
| POP M | 423 |
| POP TOT | 841 |
Other recorded variables (12 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 4 |
| BRIT BORN F | 1 |
| BRIT BORN M | 4 |
| BRIT ENG | 10 |
| BRIT IRISH | 12 |
| CAN BORN F | 416 |
| CAN BORN M | 417 |
| EUR FRENCH | 819 |
| FOREIGN BORN F | 1 |
| FOREIGN BORN M | 2 |
| PRESBYTERIANS | 3 |
| ROMAN CATHOLICS | 834 |
Identifiers
- TCP UID:
QC049004— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC049004— 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. Joachim de Châteauguay, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-joachim-de-ch-teauguay-qc049004-1921/.