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City of OnkaparingaCommunity profile

Noarlunga Centre - Noarlunga Downs

Five year age groups

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In 2021, the largest age group in Noarlunga Centre - Noarlunga Downs was 35 to 39 year olds. The group that changed the most since 1996 was 55 to 59 year olds, increasing by 198 people.

The Age Structure of Noarlunga Centre - Noarlunga Downs provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Noarlunga Centre - Noarlunga Downs'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 Noarlunga Centre - Noarlunga Downs'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
Noarlunga Centre - Noarlunga Downs - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %1996 to 2021
0 to 42185.25.425610.67.7-38
5 to 92856.86.325410.58.0+30
10 to 142515.96.32269.48.7+24
15 to 192475.95.91375.77.8+109
20 to 242686.35.61626.76.8+105
25 to 292896.85.92289.46.9+61
30 to 342656.36.32199.07.8+46
35 to 392967.06.72098.68.5+87
40 to 442445.86.21576.58.4+87
45 to 492716.46.41265.28.3+144
50 to 542696.46.61064.45.5+162
55 to 592616.26.4632.63.7+198
60 to 642806.66.3833.53.0+196
65 to 692385.65.8873.63.0+151
70 to 742115.05.6612.62.6+149
75 to 791734.13.8220.91.7+150
80 to 84801.92.3150.61.0+65
85 and over761.82.220.10.6+73
Total population4,222100.0100.02,422100.0100.0+1,800
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Noarlunga Centre - Noarlunga Downs in 2021 compared to the City of Onkaparinga shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 17.9% of the population was aged between 0 and 15, and 18.4% were aged 65 years and over, compared with 18.0% and 19.7% respectively for the City of Onkaparinga.

The major differences between the age structure of Noarlunga Centre - Noarlunga Downs and the City of Onkaparinga were:

  • A larger percentage of persons aged 25 to 29 (6.8% compared to 5.9%)
  • A larger percentage of persons aged 20 to 24 (6.3% compared to 5.6%)
  • A smaller percentage of persons aged 70 to 74 (5.0% compared to 5.6%)

Emerging groups

From 1996 to 2021, Noarlunga Centre - Noarlunga Downs's population increased by 1,800 people (74.3%). This represents an average annual population change of 2.25% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 55 to 59 (+198 persons)
  • 60 to 64 (+196 persons)
  • 50 to 54 (+162 persons)
  • 65 to 69 (+151 persons)

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