Focus on Geography Series, 2021 Census of Population

Niagara, Regional municipality

Population, 2021 and 2016 censuses

11

Provincial population rank: 11

National population rank: 17 of 293

6.7%

In 2021, the enumerated population of Niagara (Regional municipality), was 477,941, which represents a change of 6.7% from 2016. This compares to the provincial average of 5.8% and the national average of 5.2%.

6.6%

In 2021, there were 195,914 private dwellings occupied in Niagara (Regional municipality), which represent a change of 6.6% from 2016.

258.0

The land area of Niagara (Regional municipality) is 1,852.82 square kilometres and the population density was 258.0 people per square kilometre.

Population in the last 10 years, Niagara (Regional municipality)

Population change in the last 10 years, Niagara (Regional municipality)

Population change for Niagara (Regional municipality) and higher level geographies, 2016 to 2021

Niagara (Regional municipality) — Neighbouring census divisions, population change, 2016 to 2021

Census division (CD) name Type Population
2021 2016 % change
Haldimand-Norfolk CDR 116,872 109,787 6.5
Hamilton CDR 569,353 536,917 6.0

Ontario — Census divisions with the highest population change, 2016 to 2021

Census division (CD) name Type Population
2021 2016 % change
Haliburton CTY 20,571 18,062 13.9
Simcoe CTY 533,169 479,635 r 11.2
Lanark CTY 75,760 68,698 10.3
Muskoka DM 66,674 60,614 r 10.0
Middlesex CTY 500,563 455,526 9.9
Oxford CTY 121,781 110,846 r 9.9

Ontario — Census divisions with the lowest population change, 2016 to 2021

Census division (CD) name Type Population
2021 2016 % change
Rainy River DIS 19,437 20,110 -3.3
Timiskaming DIS 31,424 32,251 -2.6
Cochrane DIS 77,963 79,682 -2.2
Algoma DIS 113,777 114,094 -0.3
Thunder Bay DIS 146,862 146,048 0.6
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