Seneca, Ontario (1871 census)
Seneca was a census subdivision in Ontario, recorded in the 1871 Census of Canada with a population of 3,282. The community is grounded to Wikidata Q115262795. The administrative centroid was at approximately 43.044°N, 79.849°W.
Population
In 1871, Seneca had a population of 3,282: 1,715 male and 1,567 female residents. Population density was 45.3 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 1871
In the 1871 census, Seneca shared boundaries with:
Full census record, 1871
The 1871 census recorded 57 measurements for this Census Subdivision across 5 categories. Tables below are collapsible.
Population & families (10 variables)
| Variable | Value |
|---|---|
| Number of families | 548 |
| Number of females | 1,567 |
| Number of males | 1,715 |
| Number of married females | 466 |
| Number of married males | 468 |
| Number of married persons | 934 |
| Number of widowed females | 72 |
| Number of widowed males | 36 |
| Number of widowed persons | 108 |
| Total population | 3,282 |
Age structure (3 variables)
| Variable | Value |
|---|---|
| Number of single females under 18 | 1,029 |
| Number of single males under 18 | 1,211 |
| Number of single persons under 18 | 2,240 |
Buildings & housing (5 variables)
| Variable | Value |
|---|---|
| Number of dwellings that are temporary vessels | 1 |
| Number of houses under construction | 1 |
| Number of inhabited houses | 543 |
| Number of occupied houses | 544 |
| Number of uninhabited houses | 37 |
Agriculture (13 variables)
| Variable | Value |
|---|---|
| BAR BU | 36,385 |
| BWT BU | 540 |
| CRN BU | 842 |
| HAY AC | 5,639 |
| HAY TONS | 7,181 |
| OAT BU | 42,342 |
| PEA BU | 21,814 |
| POT AC | 176 |
| POT BU | 15,772 |
| RYE BU | 117 |
| Total area (acres) | 38,061 |
| WHT SP BU | 9,605 |
| WHT WTR BU | 40,227 |
Other recorded variables (26 variables)
| Variable | Value |
|---|---|
| ACRES | 4,306 |
| AREA | 38,061 |
| BEING BUILT | 1 |
| BEN BU | 87 |
| CD | 17 |
| CSD | 7 |
| FAMILIES | 548 |
| FEMALE | 1,567 |
| GRA BU | 1,052 |
| HOUSES OCCUPIED | 544 |
| INHABITED | 543 |
| MALE | 1,715 |
| MARRIED F | 466 |
| MARRIED M | 468 |
| MARRIED TOTAL | 934 |
| POPULATION | 3,282 |
| ROOT BU | 4,800 |
| SINGLE F | 1,029 |
| SINGLE M | 1,211 |
| SINGLE TOTAL | 2,240 |
| TUR BU | 1,371 |
| UNINHABITED | 37 |
| VESSELS | 1 |
| WIDOWED F | 72 |
| WIDOWED M | 36 |
| WIDOWED TOTAL | 108 |
Identifiers
- TCP UID:
ON017007— 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 1871 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 (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/seneca-on017007-1871/.