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 density was 26.0 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 1901
In the 1901 census, Seneca shared boundaries with:
Full census record, 1901
The 1901 census recorded 24 measurements for this Census Subdivision across 4 categories. Tables below are collapsible.
Population & families (13 variables)
| Variable | Value |
|---|---|
| Number of families | 399 |
| Number of females | 897 |
| Number of males | 988 |
| Number of married females | 317 |
| Number of married males | 319 |
| Number of single females | 516 |
| Number of single males | 639 |
| Number of widowed females | 64 |
| Number of widowed males | 30 |
| POP F | 897 |
| POP M | 988 |
| POP TOT | 1,885 |
| Total population | 1,885 |
Buildings & housing (1 variable)
| Variable | Value |
|---|---|
| Number of houses | 398 |
Agriculture (1 variable)
| Variable | Value |
|---|---|
| Total area (acres) | 42,017 |
Other recorded variables (9 variables)
| Variable | Value |
|---|---|
| AREA AC | 42,017 |
| FAMILIES | 399 |
| HOUSES | 398 |
| MARRIED F | 317 |
| MARRIED M | 319 |
| SINGLE F | 516 |
| SINGLE M | 639 |
| WIDOWED F | 64 |
| WIDOWED M | 30 |
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/.