St. Thomas, Quebec (1921 census)
St. Thomas was a census subdivision in Quebec, recorded in the 1921 Census of Canada with a population of 2,964. The administrative centroid was at approximately 46.945°N, 70.539°W.
Population
In 1921, St. Thomas had a population of 2,964: 1,521 male and 1,443 female residents. Population density was 61.0 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 2,994 |
| 1861 | 3,020 |
| 1871 | 2,893 |
| 1881 | 3,162 |
| 1891 | 2,849 |
| 1901 | 2,698 |
| 1911 | 2,689 |
| 1921 | 2,964 |
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 shared boundaries with:
Full census record, 1921
The 1921 census recorded 14 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 1,443 |
| POP M | 1,521 |
| POP TOT | 2,964 |
Other recorded variables (11 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 1 |
| BRIT ENG | 5 |
| BRIT IRISH | 3 |
| CAN BORN F | 1,435 |
| CAN BORN M | 1,513 |
| EUR FRENCH | 2,945 |
| EUR SCANDINAVIAN | 5 |
| FOREIGN BORN F | 8 |
| FOREIGN BORN M | 8 |
| ROMAN CATHOLICS | 2,957 |
| UNSPECIFIED | 6 |
Identifiers
- TCP UID:
QC074013— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC074013_1851— 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. Thomas, Quebec (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/st-thomas-qc074013-1921/.