Seneca, Ontario (1911 census)
Seneca was a census subdivision in Ontario, recorded in the 1911 Census of Canada with a population of 1,712. The community is grounded to Wikidata Q115262795. The administrative centroid was at approximately 43.044°N, 79.849°W.
Population
In 1911, Seneca had a population of 1,712: 925 male and 787 female residents. Population density was 23.7 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 3,636 |
| 1861 | 4,577 |
| 1871 | 3,282 |
| 1881 | 2,545 |
| 1891 | 2,231 |
| 1901 | 1,885 |
| 1911 | 1,712 |
| 1921 | 1,742 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1911
In the 1911 census, Seneca shared boundaries with:
Full census record, 1911
The 1911 census recorded 36 measurements for this Census Subdivision across 2 categories. Tables below are collapsible.
Population & families (5 variables)
| Variable | Value |
|---|---|
| POP | 1,885 |
| POP F | 787 |
| POP M | 925 |
| POP PER SQ MI | 26.09 |
| POP TOT | 1,712 |
Other recorded variables (31 variables)
| Variable | Value |
|---|---|
| ANGLICANS | 437 |
| AREA ACRES | 42,017 |
| AREA SQ MI | 65.65 |
| AUSTRO HUNGARIAN | 24 |
| BAPTISTS | 111 |
| BRIT ENGLISH | 670 |
| BRIT IRISH | 577 |
| BRIT OTHER | 8 |
| BRIT SCOTCH | 242 |
| DUTCH | 5 |
| DWELLINGS | 392 |
| F MARRIED | 313 |
| F NOT GIVEN | 1 |
| F SINGLE | 424 |
| F WIDOWED | 49 |
| FAMILIES | 399 |
| FRENCH | 5 |
| GERMAN | 159 |
| INDIAN | 5 |
| LUTHERANS | 23 |
| M MARRIED | 332 |
| M NOT GIVEN | 2 |
| M SINGLE | 574 |
| M WIDOWED | 17 |
| MENNONITES | 15 |
| METHODISTS | 587 |
| NEGRO | 6 |
| PRESBYTERIANS | 399 |
| ROMAN CATHOLICS | 125 |
| SWISS | 11 |
| VARIOUS SECTS | 15 |
Identifiers
- TCP UID:
ON075008— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON115008— computed from spatial-overlap chains across census years - Wikidata: Q115262795
Sources
Census tabulations from the 1911 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). "Seneca, Ontario (1911 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/seneca-on075008-1911/.