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City of OnkaparingaCommunity profile

Sellicks Beach

Five year age groups

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In 2021, the largest age group in Sellicks Beach was 50 to 54 year olds. The group that changed the most since 2001 was 55 to 59 year olds, increasing by 142 people.

The Age Structure of Sellicks Beach provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Sellicks Beach'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 Sellicks Beach'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 - Five year age groups
Sellicks Beach - Total persons (Usual residence)20212001Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2001 to 2021
0 to 41505.65.41036.86.6+47
5 to 91877.06.21238.17.6+64
10 to 141575.86.21399.27.8+18
15 to 191415.25.8986.57.9+43
20 to 241405.25.6805.36.2+60
25 to 291605.96.0775.16.2+83
30 to 341806.76.31046.97.0+76
35 to 391937.26.71318.67.5+62
40 to 441475.56.115710.48.1-10
45 to 491776.66.4956.37.9+82
50 to 542178.16.6926.17.7+125
55 to 592127.96.5704.65.2+142
60 to 641796.76.3674.43.7+112
65 to 691746.55.9513.43.0+123
70 to 741405.25.7533.52.9+87
75 to 79863.23.8372.42.3+49
80 to 84381.42.3231.51.4+15
85 and over120.42.2151.01.0-3
Total population2,690100.0100.01,515100.0100.0+1,175
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Sellicks Beach in 2021 compared to the City of Onkaparinga shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 18.4% of the population was aged between 0 and 15, and 16.7% were aged 65 years and over, compared with 17.7% and 19.9% respectively for the City of Onkaparinga.

The major differences between the age structure of Sellicks Beach and the City of Onkaparinga were:

  • A larger percentage of persons aged 50 to 54 (8.1% compared to 6.6%)
  • A larger percentage of persons aged 55 to 59 (7.9% compared to 6.5%)
  • A smaller percentage of persons aged 85 and over (0.4% compared to 2.2%)
  • A smaller percentage of persons aged 80 to 84 (1.4% compared to 2.3%)

Emerging groups

From 2001 to 2021, Sellicks Beach's population increased by 1,175 people (77.6%). This represents an average annual population change of 2.91% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 55 to 59 (+142 persons)
  • 50 to 54 (+125 persons)
  • 65 to 69 (+123 persons)
  • 60 to 64 (+112 persons)

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