St. Eustache, Quebec (1921 census)
St. Eustache was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 1,721. The administrative centroid was at approximately 45.570°N, 73.933°W.
Population
In 1921, St. Eustache had a population of 1,721: 892 male and 829 female residents. Population density was 51.3 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 3,365 |
| 1861 | 2,372 |
| 1871 | 1,987 |
| 1881 | 1,981 |
| 1891 | 1,796 |
| 1901 | 1,685 |
| 1911 | 1,703 |
| 1921 | 1,721 |
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. Eustache, 1911 (93.4% share).
Neighbouring Census Subdivisions in 1921
In the 1921 census, St. Eustache shared boundaries with:
Full census record, 1921
The 1921 census recorded 20 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 829 |
| POP M | 892 |
| POP TOT | 1,721 |
Other recorded variables (17 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 14 |
| BRIT BORN F | 6 |
| BRIT BORN M | 12 |
| BRIT ENG | 62 |
| BRIT IRISH | 2 |
| CAN BORN F | 820 |
| CAN BORN M | 878 |
| CONGREGATIONALISTS | 5 |
| EUR BELGIAN | 5 |
| EUR FRENCH | 1,650 |
| EUR ITALIAN | 1 |
| FOREIGN BORN F | 3 |
| FOREIGN BORN M | 2 |
| METHODISTS | 6 |
| NEGRO | 1 |
| PRESBYTERIANS | 28 |
| ROMAN CATHOLICS | 1,668 |
Identifiers
- TCP UID:
QC052006— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC052006— 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. Eustache, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-eustache-qc052006-1921/.