Focus on Geography Series, 2021 Census of Population

Peterborough, County

Population, 2021 and 2016 censuses

16

Provincial population rank: 16

National population rank: 44 of 293

6.8%

In 2021, the enumerated population of Peterborough (County), was 147,681, which represents a change of 6.8% from 2016. This compares to the provincial average of 5.8% and the national average of 5.2%.

6.9%

In 2021, there were 61,741 private dwellings occupied in Peterborough (County), which represent a change of 6.9% from 2016.

39.1

The land area of Peterborough (County) is 3,779.47 square kilometres and the population density was 39.1 people per square kilometre.

Population in the last 10 years, Peterborough (County)

Population change in the last 10 years, Peterborough (County)

Population change for Peterborough (County) and higher level geographies, 2016 to 2021

Peterborough (County) — Neighbouring census divisions, population change, 2016 to 2021

Census division (CD) name Type Population
2021 2016 % change
Haliburton CTY 20,571 18,062 13.9
Durham RM 696,992 645,862 7.9
Hastings CTY 145,746 136,445 6.8
Kawartha Lakes CDR 79,247 75,423 5.1
Northumberland CTY 89,365 85,598 4.4

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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