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Mornington Peninsula ShireCommunity profile

Portsea - Sorrento - Blairgowrie

Service age groups

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In 2021, Portsea - Sorrento - Blairgowrie had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Mornington Peninsula Shire.

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 an indicator of Portsea - Sorrento - Blairgowrie's residential role and function and how it is likely to change in the future.

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

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

Q:

Derived from the Census question:

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

Age structure - Service age groups
Portsea - Sorrento - Blairgowrie - Total persons (Enumerated)20211991Change
Service age group (years)Number%Mornington Peninsula Shire %Number%Mornington Peninsula Shire %1991 to 2021
Babies and pre-schoolers (0 to 4)2213.64.72686.98.0-47
Primary schoolers (5 to 11)3024.98.12697.010.8+33
Secondary schoolers (12 to 17)2724.47.32195.78.7+53
Tertiary education and independence (18 to 24)3024.96.92877.49.1+15
Young workforce (25 to 34)3976.58.849512.813.9-98
Parents and homebuilders (35 to 49)74112.017.260015.520.1+141
Older workers and pre-retirees (50 to 59)86214.013.740810.58.6+454
Empty nesters and retirees (60 to 69)1,22119.813.765516.910.4+566
Seniors (70 to 84)1,65826.916.059015.29.4+1,068
Elderly aged (85 and over)1792.93.6792.01.2+100
Total6,155100.0100.03,870100.0100.0+2,285
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the service age groups of Portsea - Sorrento - Blairgowrie in 2021 compared to Mornington Peninsula Shire shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 12.9% of the population was aged between 0 and 17, and 49.7% were aged 60 years and over, compared with 20.1% and 33.2% respectively for Mornington Peninsula Shire.

The major differences between the age structure of Portsea - Sorrento - Blairgowrie and Mornington Peninsula Shire were:

  • A larger percentage of 'Seniors' (26.9% compared to 16.0%)
  • A larger percentage of 'Empty nesters and retirees' (19.8% compared to 13.7%)
  • A smaller percentage of 'Parents and homebuilders' (12.0% compared to 17.2%)
  • A smaller percentage of 'Primary schoolers' (4.9% compared to 8.1%)

Emerging groups

From 1991 to 2021, Portsea - Sorrento - Blairgowrie's population increased by 2,285 people (59.0%). This represents an average annual population change of 1.56% per year over the period.

The largest changes in the age structure in this area between 1991 and 2021 were in the age groups:

  • Seniors (70 to 84) (+1,068 people)
  • Empty nesters and retirees (60 to 69) (+566 people)
  • Older workers and pre-retirees (50 to 59) (+454 people)
  • Parents and homebuilders (35 to 49) (+141 people)

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