Thetford, Quebec (1871 census)
Thetford was a census subdivision in Quebec, recorded in the 1871 Census of Canada with a population of 1,092. The community is grounded to Wikidata Q141995. The administrative centroid was at approximately 46.126°N, 71.229°W.
Population
In 1871, Thetford had a population of 1,092: 542 male and 550 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 75 |
| 1861 | 282 |
| 1871 | 1,092 |
| 1881 | 798 |
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 Thetford, 1881 (76.5% of this CSD's polygon).
- In a later year, this CSD contained St. Pierre de Broughton, 1881 (23.5% of this CSD's polygon).
Neighbouring Census Subdivisions in 1871
In the 1871 census, Thetford shared boundaries with:
Full census record, 1871
The 1871 census recorded 18 measurements for this Census Subdivision across 4 categories.
Population & families (1871). This community's record includes 1,092 total population, 550 females, 542 males, 348 married persons, 186 families, 174 married females, 174 married males, 16 widowed persons, 11 widowed females, 5 widowed males. (Source: 1871 Census of Canada, V1T1.)
Age structure (1871). This community's record includes 728 single persons under 18, 365 single females under 18, 363 single males under 18. (Source: 1871 Census of Canada, V1T1.)
Buildings & housing (1871). This community's record includes 179 inhabited houses, 179 occupied houses, 4 uninhabited houses, 2 houses under construction. (Source: 1871 Census of Canada, V1T1.)
Agriculture (1871). This community's record includes 64,700 total area (acres). (Source: 1871 Census of Canada, V1T1.)
Identifiers
- TCP UID:
QC156009— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_QC050011_1881— computed from spatial-overlap chains across census years - Wikidata: Q141995
- Wikipedia (EN): https://en.wikipedia.org/wiki/Thetford_Mines
- Wikipédia (FR): https://fr.wikipedia.org/wiki/Thetford_Mines
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). "Thetford, Quebec (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/qc/thetford-qc156009-1871/.