Pittsburgh, Ontario (1871 census)
Pittsburgh was a census subdivision in Ontario, recorded in the 1871 Census of Canada with a population of 4,126. The administrative centroid was at approximately 44.328°N, 76.325°W.
Population
In 1871, Pittsburgh had a population of 4,126: 2,126 male and 2,000 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 3,258 |
| 1861 | 4,394 |
| 1871 | 4,126 |
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.
Earlier boundary forms
- In an earlier year, this CSD contained Forts Henry and Frederick, Penitentiary and lunatic Asylum, 1861 (1.0% share).
Later boundary forms
- In a later year, this CSD contained Howe Island, 1881 (14.4% of this CSD's polygon).
- In a later year, this CSD contained Pittsburg, 1881 (85.6% of this CSD's polygon).
Neighbouring Census Subdivisions in 1871
In the 1871 census, Pittsburgh 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 4,126 total population, 2,126 males, 2,000 females, 1,242 married persons, 717 families, 622 married females, 620 married males, 140 widowed persons, 86 widowed females, 54 widowed males. (Source: 1871 Census of Canada, V1T1.)
Age structure (1871). This community's record includes 2,744 single persons under 18, 1,452 single males under 18, 1,292 single females under 18. (Source: 1871 Census of Canada, V1T1.)
Buildings & housing (1871). This community's record includes 714 inhabited houses, 714 occupied houses, 21 uninhabited houses, 1 houses under construction. (Source: 1871 Census of Canada, V1T1.)
Agriculture (1871). This community's record includes 55,360 total area (acres). (Source: 1871 Census of Canada, V1T1.)
Identifiers
- TCP UID:
ON065005— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON065005— computed from spatial-overlap chains across census years - Wikidata: not yet grounded. This page covers a place whose persistent identity has not yet been linked to a Wikidata entity. Identification is via TCP UID and spatial polygon only.
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). "Pittsburgh, Ontario (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/pittsburgh-on065005-1871/.