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Aldinga - Port Willunga

Five year age groups

In 2021, the largest age group in Aldinga - Port Willunga was 50 to 54 year olds. The group that changed the most since 2016 was 65 to 69 year olds, increasing by 31 people.

The Age Structure of Aldinga - Port Willunga provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Aldinga - Port Willunga'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 Aldinga - Port Willunga'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
Aldinga - Port Willunga - Total males (Enumerated)20212016Change
Five year age groups (years)Number%Happy Valley %Number%Happy Valley %2016 to 2021
0 to 4453.95.9666.26.1-21
5 to 9887.76.2676.37.0+21
10 to 14837.36.5858.06.6-2
15 to 19817.16.4787.35.7+3
20 to 24564.94.8524.96.0+4
25 to 29564.95.5555.25.7+1
30 to 34534.66.0524.96.2+1
35 to 39726.37.0535.06.6+19
40 to 44595.26.4625.86.8-3
45 to 49685.96.7898.46.3-21
50 to 541008.76.0837.86.4+17
55 to 59887.75.7736.96.8+15
60 to 64807.06.4646.07.0+16
65 to 69877.66.8565.36.8+31
70 to 74443.86.2524.93.5-8
75 to 79474.13.5423.92.3+5
80 to 84211.82.2212.02.20
85 and over161.41.9141.31.9+2

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, Happy Valley: 1.9% 80 to 84, Happy Valley: 2.2% 75 to 79, Happy Valley: 3.5% 70 to 74, Happy Valley: 6.2% 65 to 69, Happy Valley: 6.8% 60 to 64, Happy Valley: 6.4% 55 to 59, Happy Valley: 5.7% 50 to 54, Happy Valley: 6.0% 45 to 49, Happy Valley: 6.7% 40 to 44, Happy Valley: 6.4% 35 to 39, Happy Valley: 7.0% 30 to 34, Happy Valley: 6.0% 25 to 29, Happy Valley: 5.5% 20 to 24, Happy Valley: 4.8% 15 to 19, Happy Valley: 6.4% 10 to 14, Happy Valley: 6.5% 5 to 9, Happy Valley: 6.2% 0 to 4, Happy Valley: 5.9% 85 and over, Aldinga - Port Willunga: 1.4% 80 to 84, Aldinga - Port Willunga: 1.8% 75 to 79, Aldinga - Port Willunga: 4.1% 70 to 74, Aldinga - Port Willunga: 3.8% 65 to 69, Aldinga - Port Willunga: 7.6% 60 to 64, Aldinga - Port Willunga: 7.0% 55 to 59, Aldinga - Port Willunga: 7.7% 50 to 54, Aldinga - Port Willunga: 8.7% 45 to 49, Aldinga - Port Willunga: 5.9% 40 to 44, Aldinga - Port Willunga: 5.2% 35 to 39, Aldinga - Port Willunga: 6.3% 30 to 34, Aldinga - Port Willunga: 4.6% 25 to 29, Aldinga - Port Willunga: 4.9% 20 to 24, Aldinga - Port Willunga: 4.9% 15 to 19, Aldinga - Port Willunga: 7.1% 10 to 14, Aldinga - Port Willunga: 7.3% 5 to 9, Aldinga - Port Willunga: 7.7% 0 to 4, Aldinga - Port Willunga: 3.9%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Enumerated 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, Aldinga - Port Willunga: +2 80 to 84, Aldinga - Port Willunga: 0 75 to 79, Aldinga - Port Willunga: +5 70 to 74, Aldinga - Port Willunga: -8 65 to 69, Aldinga - Port Willunga: +31 60 to 64, Aldinga - Port Willunga: +16 55 to 59, Aldinga - Port Willunga: +15 50 to 54, Aldinga - Port Willunga: +17 45 to 49, Aldinga - Port Willunga: -21 40 to 44, Aldinga - Port Willunga: -3 35 to 39, Aldinga - Port Willunga: +19 30 to 34, Aldinga - Port Willunga: +1 25 to 29, Aldinga - Port Willunga: +1 20 to 24, Aldinga - Port Willunga: +4 15 to 19, Aldinga - Port Willunga: +3 10 to 14, Aldinga - Port Willunga: -2 5 to 9, Aldinga - Port Willunga: +21 0 to 4, Aldinga - Port Willunga: -21
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 and 2021 (Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the male five year age groups of Aldinga - Port Willunga in 2021 compared to Happy Valley shows that there was a similar proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).

Overall, 18.9% of the male population was aged between 0 and 15, and 18.8% were aged 65 years and over, compared with 18.6% and 20.6% respectively for Happy Valley.

The major differences between the male age structure of Aldinga - Port Willunga and Happy Valley were:

  • A larger percentage of males aged 50 to 54 (8.7% compared to 6.0%)
  • A larger percentage of males aged 55 to 59 (7.7% compared to 5.7%)
  • A smaller percentage of males aged 70 to 74 (3.8% compared to 6.2%)
  • A smaller percentage of males aged 0 to 4 (3.9% compared to 5.9%)

Emerging groups

From 2016 to 2021, Aldinga - Port Willunga's male population increased by 80 people (7.5%). This represents an average annual population change of 1.46% per year over the period.

There were no major differences in Aldinga - Port Willunga between 2016 and 2021.

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