Rochester, Ontario (1851 census)
Rochester was a census subdivision in Ontario, recorded in the 1851 Census of Canada with a population of 788. The community is grounded to Wikidata Q115262708. The administrative centroid was at approximately 42.236°N, 82.656°W.
Population
In 1851, Rochester had a population of 788: 431 male and 357 female residents.
Population trajectory across census years
| Year | Population |
|---|---|
| 1851 | 788 |
| 1861 | 1,349 |
| 1871 | 2,152 |
| 1881 | 2,483 |
| 1891 | 2,806 |
| 1901 | 2,625 |
| 1911 | 2,231 |
| 1921 | 2,082 |
Cross-year identity established by spatial polygon overlap (SAME_AS chains across the Canadian Census Subdivision boundary files).
Neighbouring Census Subdivisions in 1851
In the 1851 census, Rochester shared boundaries with:
Full census record, 1851
The 1851 census recorded 152 measurements for this Census Subdivision across 6 categories.
Population & families (1851). This community's record includes 788 total population, 431 males, Male members of the family who are present: 398, 357 females, Female members of the family who are present: 340, 308 single males, 233 single females, 152 families, 121 married males, 120 married females, 41 females attending school, 37 males attending school, Males present who are not members of the family: 33, Females present who are not members of the family: 17, 17 female births, 11 male births, 4 widowed females, 2 widowed males, Female members of the family who are absent: 1, 1 deaf and dumb females, 1 deaf and dumb males. (Source: 1851 Census of Canada, V1T3.)
Age structure (1851). This community's record includes 65 males aged 5 to 10, 59 females aged 5 to 10, 54 single males aged 20 to 30, 53 single males aged 10 to 15, 47 single males aged 15 to 20, 39 single females aged 10 to 15, 39 single females aged 15 to 20, 38 married females aged 20 to 30, 34 married males aged 30 to 40, 32 married females aged 30 to 40, 27 married males aged 40 to 50, 26 married males aged 20 to 30, 24 married females aged 40 to 50, 21 married males aged 50 to 60, 18 females aged 2 to 3, 17 males aged 1 to 2, 16 females aged 1 to 2, 16 females under age 1, 14 males aged 3 to 4, 13 females age 3 to 4, 13 males aged 2 to 3, 13 males aged 4 to 5, 13 married females aged 15 to 20, 12 females aged 4 to 5, 11 single females aged 20 to 30, 10 males under age 1, 10 married females aged 50 to 60, 10 married males aged 60 to 70, 9 single males aged 30 to 40, 6 single males aged 50 to 60, 5 single females aged 30 to 40, 4 single males aged 40 to 50, 3 married females aged 60 to 70, 3 single females aged 60 to 70, 2 single females aged 50 to 60, 2 single males aged 60 to 70, 2 widowed females aged 60 to 70, 1 married males aged 15 to 20, 1 married males aged 70 to 80, 1 married males aged 90 to 100, 1 single females aged 40 to 50, 1 single females aged 80 to 90, 1 widowed females aged 40 to 50, 1 widowed males aged 40 to 50, 1 widowed males aged 50 to 60. (Source: 1851 Census of Canada, V1T3.)
Ethnic origin (1851). This community's record includes 357 French Canadians, 214 persons native to Canada, not of French origin, 95 persons originating in Ireland, 50 persons originating in England or Wales, 41 persons originating in Germany or Holland, 25 persons originating in the United States, 4 Indigenous males, 3 persons originating in Scotland, 2 Indigenous females, 2 male negroes or coloured persons, 2 persons originating in Nova Scotia or Prince Edward Island, 1 female negroes or coloured persons, 1 persons whose origin is unknown. (Source: 1851 Census of Canada, V1T1; V1T3.)
Agriculture (1851). This community's record includes 12,070 acres of land in farms, 10,576 acres of farmland in woodland or forest, 4,834 bushels of corn, 4,153 bushels of wheat, 3,997 bushels of oats, 3,166 pounds of homemade butter, 1,494 acres of farmland under cultivation, 1,385 pounds of wool produced on farms, 1,146 acres of farmland under crops, 766 swine, 685 pounds of tobacco, 563 tons of hay, 547 bushels of turnips, 547 pounds of maple sugar, 528 sheep, 496 bushels of peas, 381 bulls, oxen, or steers, 302 acres of farmland in pasture, 288 acres of wheat, 285 milk cows, 277 horses, 261 barrels of pork, 254 acres of oats, 241 acres of corn, 240 calves and heifers, 154 bushels of potatoes, 126 occupants of farms, 118 barrels of beef, 85 bushels of rye, 80 persons living on farms between 50 and 100 acres, 77 bushels of buckwheat, 75 bushels of barley, 57 acres of potatoes, 48 bushels of beans, 46 acres of farmland in gardens or orchards, 39 gallons of cider, 37 acres of peas, 18 persons living on farms between 20 and 50 acres, 16 persons living on farms between 100 and 200 acres, 9 acres of buckwheat, 9 acres of rye, 8 acres of turnips, 5 acres of barley, 4 persons living on farms between 10 and 20 acres, 4 persons living on farms over 200 acres, 4 persons living on farms under 10 acres. (Source: 1851 Census of Canada, V2T6.)
Manufacturing & industry (1851). This community's record includes $35,000 value capital returned by grist mills (pounds sterling), 1,346 yards of flannel, 212 yards of fulled cloth, 15 employees in distilleries, 6 employees in tanneries, 2 grist mills, 2 grist mills powered by water, 2 grist mills returning capital, 1 distilleries, 1 distilleries reporting, 1 grist mills reporting annual production, 1 grist mills reporting daily production, 1 tanneries, 1 tanneries not reporting. 10,000 barrels of flour produced per year by grist mills reporting annual production. 33 barrels of flour produced per day by grist mills reporting daily production. (Source: 1851 Census of Canada, V2T6; V2T7.) The 1851 enumerator also recorded 40,000 gallons of liquor produced in distilleries — single-county tallies of limited cross-year comparability.
Deaths & mortality (1851). This community's record includes 9 total number of deaths, Deaths in the past year among males of all ages: 5, Deaths in the past year among females of all ages: 4, Deaths in the past year among females aged 20 to 30: 2, Deaths in the past year among males aged 30 to 40: 2, Deaths in the past year among females aged 15 to 20: 1, Deaths in the past year among females under age 1: 1, Deaths in the past year among males aged 40 to 50: 1, Deaths in the past year among males aged 60 to 70: 1, Deaths in the past year among males under age 1: 1. (Source: 1851 Census of Canada, V1T3.)
Identifiers
- TCP UID:
ON008009— year-scoped identifier from the Canadian Census Subdivision boundary file - Persistent place ID:
PLACE_ON110010— computed from spatial-overlap chains across census years - Wikidata: Q115262708
Sources
Census tabulations from the 1851 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). "Rochester, Ontario (1851 census)" in HGIS Canada Knowledge Graph. Retrieved from https://jimclifford.ca/hgiscanada/places/on/rochester-on008009-1851/.