Focus on Geography Series, 2021 Census of Population
Thorold, City
Population, 2021 and 2016 censuses
73
Provincial population rank: 73
National population rank: 187 of 4,831
26.7%
In 2021, the enumerated population of Thorold (City), was 23,816, which represents a change of 26.7% from 2016. This compares to the provincial average of 5.8% and the national average of 5.2%.
21.8%
In 2021, there were 9,095 private dwellings occupied in Thorold (City), which represent a change of 21.8% from 2016.
285.9
The land area of Thorold (City) is 83.29 square kilometres and the population density was 285.9 people per square kilometre.
Population change for Thorold (City) and higher level geographies, 2016 to 2021
Thorold (City) — Neighbouring census subdivisions, population change, 2016 to 2021
| Census subdivision (CSD) name | Type | Population | ||
|---|---|---|---|---|
| 2021 | 2016 | % change | ||
| Niagara-on-the-Lake | T | 19,088 | 17,511 | 9.0 |
| Niagara Falls | CY | 94,415 | 88,071 | 7.2 |
| Welland | CY | 55,750 | 52,293 | 6.6 |
| Pelham | T | 18,192 | 17,110 | 6.3 |
| St. Catharines | CY | 136,803 | 133,113 | 2.8 |
Ontario [PR] — Census subdivisions with 5,000-plus population with the highest population growth
| Census subdivision (CSD) name | Type | Population | ||
|---|---|---|---|---|
| 2021 | 2016 | % change | ||
| East Gwillimbury | T | 34,637 | 23,991 | 44.4 |
| The Blue Mountains | T | 9,390 | 7,025 | 33.7 |
| New Tecumseth | T | 43,948 | 34,242 | 28.3 |
| Thorold | CY | 23,816 | 18,801 | 26.7 |
| Seguin | TP | 5,280 | 4,304 | 22.7 |
Ontario [PR] — Census subdivisions with 5,000-plus population with the lowest population growth
| Census subdivision (CSD) name | Type | Population | ||
|---|---|---|---|---|
| 2021 | 2016 | % change | ||
| Dryden | CY | 7,388 | 7,749 | -4.7 |
| Bayham | MU | 7,096 | 7,396 | -4.1 |
| Fort Frances | T | 7,466 | 7,739 | -3.5 |
| Kirkland Lake | T | 7,750 | 7,981 | -2.9 |
| Temiskaming Shores | CY | 9,634 | 9,920 | -2.9 |
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