Blenheim, Ontario (1921 census)
Blenheim was a census subdivision in Ontario, recorded in the 1921 Census of Canada with a population of 4,029. The community is grounded to Wikidata Q115260874. The administrative centroid was at approximately 43.249°N, 80.557°W.
Population
In 1921, Blenheim had a population of 4,029: 2,060 male and 1,969 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1911 | 4,188 |
| 1921 | 4,029 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1921
In the 1921 census, Blenheim shared boundaries with:
Full census record, 1921
The 1921 census recorded 38 measurements for this Census Subdivision across 3 categories.
Population & families (1921). This community's record includes 4,029 total population, 2,060 males in the population, 1,969 females in the population, 1,836 males born in Canada, 1,786 females born in Canada, 173 males born in the British Empire (excluding Canada), 138 females born in the British Empire (excluding Canada), 51 males born outside the British Empire, 45 females born outside the British Empire. (Source: 1921 Census of Canada, V1T16.)
Ethnic origin (1921). This community's record includes 1,738 persons of British origin (English), 1,129 persons of British origin (Scotch / Scottish), 633 persons of German origin, 282 persons of British origin (Irish), 161 persons of Dutch origin, 20 persons of Scandinavian origin, 9 persons of French origin, 8 persons of Polish origin, 7 persons of British origin (other), 5 persons of other European origin, 5 persons of Russian origin, 3 persons of Belgian origin, 2 persons of Italian origin, 1 persons of Finnish origin. 19 persons recorded under the 1921 official census category "Hebrew" (origin/ethnicity); now described as Jewish origin. 3 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: 1921 Census of Canada, V1T27.)
Religion (1921). This community's record includes 1,400 Methodists, 1,387 Presbyterians, 390 Baptists, 340 Anglicans (Church of England), 145 Mennonites, 84 Lutherans, 69 Congregationalists, 66 Roman Catholics, 62 members of the Evangelical Association, 50 adherents of other sects (residual category in 1921), 19 Jews, 9 Brethren, 4 persons whose religion or origin is unspecified. (Source: 1921 Census of Canada, V1T27; V1T38.)
Identifiers
- TCP UID:
ON134002— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON134002_1911— computed from spatial-overlap chains across census years - Wikidata: Q115260874
Sources
Census tabulations from the 1921 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). "Blenheim, Ontario (1921 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/blenheim-on134002-1921/.