HGIS Canada › Ontario › Seneca
Seneca, Ontario (1851–1921)
Seneca was a census subdivision in Ontario, recorded in 8 censuses between 1851 and 1921. This place is grounded to Wikidata Q115262795, so it can be queried as a single entity even when its boundaries or census name varied across years. Population declined across the period (from 3,636 in 1851 to 1,742 in 1921).
Population trajectory across census years
| Census year | Population | Page |
|---|---|---|
| 1851 | 3,636 | View 1851 detail → |
| 1861 | 4,577 | View 1861 detail → |
| 1871 | 3,282 | View 1871 detail → |
| 1881 | 2,545 | View 1881 detail → |
| 1891 | 2,231 | View 1891 detail → |
| 1901 | 1,885 | View 1901 detail → |
| 1911 | 1,712 | View 1911 detail → |
| 1921 | 1,742 | View 1921 detail → |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Boundary lineage
Predecessors
- split off from Caledonia, Village in 1871
Identifiers
- Persistent place ID:
PLACE_ON115008— assigned to this enduring entity by chaining year-scoped TCP UIDs through spatial overlap - Wikidata: Q115262795
Sources
Census tabulations from the 1851–1921 Census of Canada series, transcribed and georeferenced by the Canadian Peoples / TCP project. Each year's detail page (linked above) cites the specific source table.