Seneca, Ontario (1901 census)
Seneca was a census subdivision in Ontario, recorded in the 1901 Census of Canada with a population of 1,885. The community is grounded to Wikidata Q115262795. The administrative centroid was at approximately 43.044°N, 79.849°W.
Population
In 1901, Seneca had a population of 1,885: 988 male and 897 female residents.
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 1901
In the 1901 census, Seneca shared boundaries with:
Full census record, 1901
The 1901 census recorded 12 measurements for this Census Subdivision across 3 categories.
Population & families (1901). This community's record includes 1,885 total population, 988 males, 897 females, 639 single males, 516 single females, 399 families, 319 married males, 317 married females, 64 widowed females, 30 widowed males. (Source: 1901 Census of Canada, V1T7.)
Buildings & housing (1901). This community's record includes 398 houses. (Source: 1901 Census of Canada, V1T7.)
Agriculture (1901). This community's record includes 42,017 total area (acres). (Source: 1901 Census of Canada, V1T7.)
Identifiers
- TCP UID:
ON067012— 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 1901 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 (1901 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/seneca-on067012-1901/.