Focus on Geography Series, 2021 Census of Population

Ottawa, City

Population, 2021 and 2016 censuses

2

Provincial population rank: 2

National population rank: 4 of 4,831

8.9%

In 2021, the enumerated population of Ottawa (City), was 1,017,449, which represents a change of 8.9% from 2016. This compares to the provincial average of 5.8% and the national average of 5.2%.

9.0%

In 2021, there were 407,252 private dwellings occupied in Ottawa (City), which represent a change of 9.0% from 2016.

364.9

The land area of Ottawa (City) is 2,788.2 square kilometres and the population density was 364.9 people per square kilometre.

Population change for Ottawa (City) and higher level geographies, 2016 to 2021

Ottawa (City) — Neighbouring census subdivisions, population change, 2016 to 2021

Census subdivision (CSD) name Type Population
2021 2016 % change
Russell TP 19,598 16,520 18.6
Beckwith TP 9,021 7,644 18.0
Bristol MÉ 1,199 1,036 15.7
Mississippi Mills T 14,740 13,163 12.0
Arnprior T 9,629 8,795 9.5
North Grenville MU 17,964 16,451 9.2
Lochaber-Partie-Ouest CT 926 856 8.2
Clarence-Rockland C 26,505 24,512 8.1
McNab/Braeside TP 7,591 7,178 5.8
Gatineau V 291,041 276,245 5.4
Pontiac MÉ 6,142 5,850 5.0
The Nation / La Nation M 13,350 12,808 4.2
Montague TP 3,914 3,761 4.1
Merrickville-Wolford VL 3,135 3,067 2.2
North Dundas TP 11,304 11,278 0.2

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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