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Portsea - Sorrento - Blairgowrie

Five year age groups

In 2021, the largest age group in Portsea - Sorrento - Blairgowrie was 70 to 74 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 253 people.

The Age Structure of Portsea - Sorrento - Blairgowrie provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Portsea - Sorrento - Blairgowrie's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture Portsea - Sorrento - Blairgowrie's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth or age?'

Total population

Age structure - Five year age groups
Portsea - Sorrento - Blairgowrie - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Victoria %Number%Victoria %2016 to 2021
0 to 41843.35.81062.46.3+78
5 to 91592.86.21473.36.2+12
10 to 141793.26.01573.55.8+22
15 to 191653.05.61433.26.0+22
20 to 241622.96.3932.17.0+69
25 to 291122.07.3861.97.4+26
30 to 341622.97.7952.17.6+67
35 to 391853.37.51483.36.8+37
40 to 441813.26.61944.46.8-13
45 to 492494.56.42415.46.8+8
50 to 543305.96.32415.46.4+89
55 to 594257.65.93357.66.0+90
60 to 645459.85.644310.05.4+102
65 to 6965611.84.965714.84.9-1
70 to 7481114.54.455812.63.7+253
75 to 7956810.23.13938.92.8+175
80 to 843145.62.22014.52.0+113
85 and over1953.52.21904.32.2+5

Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, Victoria: 2.2% 80 to 84, Victoria: 2.2% 75 to 79, Victoria: 3.1% 70 to 74, Victoria: 4.4% 65 to 69, Victoria: 4.9% 60 to 64, Victoria: 5.6% 55 to 59, Victoria: 5.9% 50 to 54, Victoria: 6.3% 45 to 49, Victoria: 6.4% 40 to 44, Victoria: 6.6% 35 to 39, Victoria: 7.5% 30 to 34, Victoria: 7.7% 25 to 29, Victoria: 7.3% 20 to 24, Victoria: 6.3% 15 to 19, Victoria: 5.6% 10 to 14, Victoria: 6.0% 5 to 9, Victoria: 6.2% 0 to 4, Victoria: 5.8% 85 and over, Portsea - Sorrento - Blairgowrie: 3.5% 80 to 84, Portsea - Sorrento - Blairgowrie: 5.6% 75 to 79, Portsea - Sorrento - Blairgowrie: 10.2% 70 to 74, Portsea - Sorrento - Blairgowrie: 14.5% 65 to 69, Portsea - Sorrento - Blairgowrie: 11.8% 60 to 64, Portsea - Sorrento - Blairgowrie: 9.8% 55 to 59, Portsea - Sorrento - Blairgowrie: 7.6% 50 to 54, Portsea - Sorrento - Blairgowrie: 5.9% 45 to 49, Portsea - Sorrento - Blairgowrie: 4.5% 40 to 44, Portsea - Sorrento - Blairgowrie: 3.2% 35 to 39, Portsea - Sorrento - Blairgowrie: 3.3% 30 to 34, Portsea - Sorrento - Blairgowrie: 2.9% 25 to 29, Portsea - Sorrento - Blairgowrie: 2.0% 20 to 24, Portsea - Sorrento - Blairgowrie: 2.9% 15 to 19, Portsea - Sorrento - Blairgowrie: 3.0% 10 to 14, Portsea - Sorrento - Blairgowrie: 3.2% 5 to 9, Portsea - Sorrento - Blairgowrie: 2.8% 0 to 4, Portsea - Sorrento - Blairgowrie: 3.3%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 2016 to 2021
Change in age structure - five year age groups, 2016 to 2021 85 and over, Portsea - Sorrento - Blairgowrie: +5 80 to 84, Portsea - Sorrento - Blairgowrie: +113 75 to 79, Portsea - Sorrento - Blairgowrie: +175 70 to 74, Portsea - Sorrento - Blairgowrie: +253 65 to 69, Portsea - Sorrento - Blairgowrie: -1 60 to 64, Portsea - Sorrento - Blairgowrie: +102 55 to 59, Portsea - Sorrento - Blairgowrie: +90 50 to 54, Portsea - Sorrento - Blairgowrie: +89 45 to 49, Portsea - Sorrento - Blairgowrie: +8 40 to 44, Portsea - Sorrento - Blairgowrie: -13 35 to 39, Portsea - Sorrento - Blairgowrie: +37 30 to 34, Portsea - Sorrento - Blairgowrie: +67 25 to 29, Portsea - Sorrento - Blairgowrie: +26 20 to 24, Portsea - Sorrento - Blairgowrie: +69 15 to 19, Portsea - Sorrento - Blairgowrie: +22 10 to 14, Portsea - Sorrento - Blairgowrie: +22 5 to 9, Portsea - Sorrento - Blairgowrie: +12 0 to 4, Portsea - Sorrento - Blairgowrie: +78
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 and 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the five year age groups of Portsea - Sorrento - Blairgowrie in 2021 compared to Victoria shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 9.4% of the population was aged between 0 and 15, and 45.6% were aged 65 years and over, compared with 18.0% and 16.8% respectively for Victoria.

The major differences between the age structure of Portsea - Sorrento - Blairgowrie and Victoria were:

  • A larger percentage of persons aged 70 to 74 (14.5% compared to 4.4%)
  • A larger percentage of persons aged 75 to 79 (10.2% compared to 3.1%)
  • A larger percentage of persons aged 65 to 69 (11.8% compared to 4.9%)
  • A smaller percentage of persons aged 25 to 29 (2.0% compared to 7.3%)

Emerging groups

From 2016 to 2021, Portsea - Sorrento - Blairgowrie's population increased by 1,154 people (26.1%). This represents an average annual population change of 4.74% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 70 to 74 (+253 persons)
  • 75 to 79 (+175 persons)
  • 80 to 84 (+113 persons)
  • 60 to 64 (+102 persons)

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