Rochester, Ontario (1921 census)
Rochester was a census subdivision in Ontario, recorded in the 1921 Census of Canada with a population of 2,082. The community is grounded to Wikidata Q115262708. The administrative centroid was at approximately 42.236°N, 82.655°W.
Population
In 1921, Rochester had a population of 2,082: 1,111 male and 971 female residents. Population density was 36.6 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 788 |
| 1861 | 1,349 |
| 1871 | 2,152 |
| 1881 | 2,483 |
| 1891 | 2,806 |
| 1901 | 2,625 |
| 1911 | 2,231 |
| 1921 | 2,082 |
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, Rochester shared boundaries with:
Full census record, 1921
The 1921 census recorded 31 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (3 variables)
| Variable | Value |
|---|---|
| POP F | 971 |
| POP M | 1,111 |
| POP TOT | 2,082 |
Other recorded variables (28 variables)
| Variable | Value |
|---|---|
| ADVENTISTS | 2 |
| ANGLICANS | 32 |
| ASIA SYRIAN | 5 |
| BAPTISTS | 29 |
| BRIT BORN F | 18 |
| BRIT BORN M | 10 |
| BRIT ENG | 225 |
| BRIT IRISH | 382 |
| BRIT SCOTCH | 53 |
| CAN BORN F | 914 |
| CAN BORN M | 1,054 |
| EUR BELGIAN | 16 |
| EUR DUTCH | 9 |
| EUR FRENCH | 1,272 |
| EUR GERMAN | 109 |
| EUR ITALIAN | 1 |
| EUR OTHER | 3 |
| EUR SCANDINAVIAN | 7 |
| FOREIGN BORN F | 39 |
| FOREIGN BORN M | 47 |
| LUTHERANS | 18 |
| MENNONITES | 1 |
| METHODISTS | 347 |
| OTHER SECTS | 5 |
| PRESBYTERIANS | 25 |
| PROTESTANTS | 25 |
| ROMAN CATHOLICS | 1,597 |
| SALVATION ARMY | 1 |
Identifiers
- TCP UID:
ON110010— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON110010— computed from spatial-overlap chains across census years - Wikidata: Q115262708
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). "Rochester, Ontario (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/rochester-on110010-1921/.