Grantham, Ontario (1871 census)
Grantham was a census subdivision in Ontario, recorded in the 1871 Census of Canada with a population of 3,929. The community is grounded to Wikidata Q5596641. The administrative centroid was at approximately 43.174°N, 79.215°W.
Population
In 1871, Grantham had a population of 3,929: 1,959 male and 1,970 female residents. Population density was 104.0 people per square mile.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 3,216 |
| 1861 | 3,956 |
| 1871 | 3,929 |
| 1881 | 2,218 |
| 1891 | 1,928 |
| 1901 | 1,941 |
| 1911 | 2,439 |
| 1921 | 4,412 |
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 Grantham, 1881 (92.3% of this CSD's polygon).
- In a later year, this CSD contained Merritton, Village, 1881 (2.7% of this CSD's polygon).
Neighbouring Census Subdivisions in 1871
In the 1871 census, Grantham shared boundaries with:
- Louth
- Niagara
- Port Dalhousie, Village
- St. Catharines, City—Cité
- Stamford
- Thorold
- Thorold, Town—Ville
Full census record, 1871
The 1871 census recorded 55 measurements for this Census Subdivision across 5 categories. Tables below are collapsible.
Population & families (10 variables)
| Variable | Value |
|---|---|
| Number of families | 695 |
| Number of females | 1,970 |
| Number of males | 1,959 |
| Number of married females | 618 |
| Number of married males | 612 |
| Number of married persons | 1,230 |
| Number of widowed females | 115 |
| Number of widowed males | 26 |
| Number of widowed persons | 141 |
| Total population | 3,929 |
Age structure (3 variables)
| Variable | Value |
|---|---|
| Number of single females under 18 | 1,237 |
| Number of single males under 18 | 1,321 |
| Number of single persons under 18 | 2,558 |
Buildings & housing (4 variables)
| Variable | Value |
|---|---|
| Number of houses under construction | 9 |
| Number of inhabited houses | 687 |
| Number of occupied houses | 687 |
| Number of uninhabited houses | 13 |
Agriculture (13 variables)
| Variable | Value |
|---|---|
| BAR BU | 13,828 |
| BWT BU | 380 |
| CRN BU | 33,626 |
| HAY AC | 3,741 |
| HAY TONS | 4,242 |
| OAT BU | 28,923 |
| PEA BU | 2,473 |
| POT AC | 292 |
| POT BU | 29,394 |
| RYE BU | 15 |
| Total area (acres) | 22,366 |
| WHT SP BU | 2,731 |
| WHT WTR BU | 21,793 |
Other recorded variables (25 variables)
| Variable | Value |
|---|---|
| ACRES | 2,655 |
| AREA | 22,366 |
| BEING BUILT | 9 |
| BEN BU | 229 |
| CD | 21 |
| CSD | 1 |
| FAMILIES | 695 |
| FEMALE | 1,970 |
| GRA BU | 541 |
| HOUSES OCCUPIED | 687 |
| INHABITED | 687 |
| MALE | 1,959 |
| MARRIED F | 618 |
| MARRIED M | 612 |
| MARRIED TOTAL | 1,230 |
| POPULATION | 3,929 |
| ROOT BU | 10,374 |
| SINGLE F | 1,237 |
| SINGLE M | 1,321 |
| SINGLE TOTAL | 2,558 |
| TUR BU | 17,468 |
| UNINHABITED | 13 |
| WIDOWED F | 115 |
| WIDOWED M | 26 |
| WIDOWED TOTAL | 141 |
Identifiers
- TCP UID:
ON021001— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON126004— computed from spatial-overlap chains across census years - Wikidata: Q5596641
- Wikipedia (EN): https://en.wikipedia.org/wiki/Grantham_Township
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). "Grantham, Ontario (1871 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/grantham-on021001-1871/.