Sarnia, Ontario (1911 census)
Sarnia was a census subdivision in Ontario, recorded in the 1911 Census of Canada with a population of 2,663. The community is grounded to Wikidata Q115262762. The administrative centroid was at approximately 42.965°N, 82.323°W.
Population
In 1911, Sarnia had a population of 2,663: 1,407 male and 1,256 female residents. Population density was 37.5 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1891 | 2,937 |
| 1901 | 2,632 |
| 1911 | 2,663 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Boundary continuity (non-identical overlaps)
Spatial polygon overlaps with adjacent census years where the boundary shifted enough that the SAME_AS chain didn't merge them. These show where the territory came from and went to even when it isn't tracked as the same persistent place.
Later boundary forms
- In a later year, this CSD contained Sarnia, 1921 (93.4% of this CSD's polygon).
Neighbouring Census Subdivisions in 1911
In the 1911 census, Sarnia shared boundaries with:
Full census record, 1911
The 1911 census recorded 42 measurements for this Census Subdivision across 4 categories.
Population & families (1911). This community's record includes 45,489 area in acres, 2,663 total population, 1,407 males in the population, 1,256 females in the population, 820 single (never-married) males, 664 single (never-married) females, 624 families, 515 married males, 511 married females, 81 widowed females, 72 widowed males, 71.08 area in square miles, 37.46 population per square mile. 2,632 population in the previous census (1901 reference column included in 1911 V1T1). (Source: 1911 Census of Canada, V1T1; V1T2.)
Ethnic origin (1911). This community's record includes 902 persons of British origin (English), 663 persons of British origin (Scotch / Scottish), 489 persons of British origin (Irish), 84 persons of German origin, 41 persons of French origin, 6 persons of British origin (other), 6 persons of Dutch origin, 1 persons of Scandinavian origin, 1 persons of Swiss origin. 456 persons recorded under the official census category "Indian"; corresponds to what is now described as Indigenous (First Nations; in northern enumerations also Inuit) origin. "Indian" was simultaneously a census category and the legal/administrative term under the Indian Act (1876). 6 persons recorded under the 1911/1921 official census category "Negro"; refers to people of African descent. Term is now considered offensive and is preserved here only as the historical source label. (Source: 1911 Census of Canada, V2T7.)
Religion (1911). This community's record includes 1,202 Methodists, 685 Presbyterians, 455 Anglicans (Church of England), 136 Baptists, 121 Roman Catholics, 24 adherents of various sects (residual category in 1911), 8 Christians (general / no denomination specified), 8 persons whose religion or origin is unspecified, 7 Disciples of Christ, 5 Friends (Quakers), 5 Protestants (general / no denomination specified), 4 Mennonites, 4 Mormons (Latter-day Saints), 2 Lutherans, 2 Salvation Army adherents, 1 Brethren. (Source: 1911 Census of Canada, V2T2; V2T7.)
Buildings & housing (1911). This community's record includes 615 dwellings. (Source: 1911 Census of Canada, V1T2.)
Identifiers
- TCP UID:
ON088004— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON088004_1891— computed from spatial-overlap chains across census years - Wikidata: Q115262762
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). "Sarnia, Ontario (1911 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/sarnia-on088004-1911/.