City of OnkaparingaCommunity profile
Skip to content

Port Noarlunga South

Five year age groups

In 2021, the largest age group in Port Noarlunga South was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 32 people.

The Age Structure of Port Noarlunga South provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Port Noarlunga South'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 Port Noarlunga South'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
Port Noarlunga South - Total females (Usual residence)20212016Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
0 to 4966.35.1664.95.9+30
5 to 9795.25.9876.46.1-8
10 to 14835.45.8685.05.8+15
15 to 19845.55.6775.76.0+7
20 to 24754.95.4805.95.8-5
25 to 291056.95.9795.85.8+26
30 to 341067.06.2906.76.6+16
35 to 391238.16.8916.76.4+32
40 to 44916.06.3987.36.4-7
45 to 491056.96.21098.16.9-4
50 to 54996.56.7836.16.7+16
55 to 59875.76.51057.86.9-18
60 to 64966.36.6896.66.5+7
65 to 69996.56.2906.76.2+9
70 to 74795.25.9594.44.4+20
75 to 79563.73.9382.82.9+18
80 to 84342.22.5201.52.1+14
85 and over271.82.6221.62.5+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, City of Onkaparinga: 2.6% 80 to 84, City of Onkaparinga: 2.5% 75 to 79, City of Onkaparinga: 3.9% 70 to 74, City of Onkaparinga: 5.9% 65 to 69, City of Onkaparinga: 6.2% 60 to 64, City of Onkaparinga: 6.6% 55 to 59, City of Onkaparinga: 6.5% 50 to 54, City of Onkaparinga: 6.7% 45 to 49, City of Onkaparinga: 6.2% 40 to 44, City of Onkaparinga: 6.3% 35 to 39, City of Onkaparinga: 6.8% 30 to 34, City of Onkaparinga: 6.2% 25 to 29, City of Onkaparinga: 5.9% 20 to 24, City of Onkaparinga: 5.4% 15 to 19, City of Onkaparinga: 5.6% 10 to 14, City of Onkaparinga: 5.8% 5 to 9, City of Onkaparinga: 5.9% 0 to 4, City of Onkaparinga: 5.1% 85 and over, Port Noarlunga South: 1.8% 80 to 84, Port Noarlunga South: 2.2% 75 to 79, Port Noarlunga South: 3.7% 70 to 74, Port Noarlunga South: 5.2% 65 to 69, Port Noarlunga South: 6.5% 60 to 64, Port Noarlunga South: 6.3% 55 to 59, Port Noarlunga South: 5.7% 50 to 54, Port Noarlunga South: 6.5% 45 to 49, Port Noarlunga South: 6.9% 40 to 44, Port Noarlunga South: 6.0% 35 to 39, Port Noarlunga South: 8.1% 30 to 34, Port Noarlunga South: 7.0% 25 to 29, Port Noarlunga South: 6.9% 20 to 24, Port Noarlunga South: 4.9% 15 to 19, Port Noarlunga South: 5.5% 10 to 14, Port Noarlunga South: 5.4% 5 to 9, Port Noarlunga South: 5.2% 0 to 4, Port Noarlunga South: 6.3%
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, Port Noarlunga South: +5 80 to 84, Port Noarlunga South: +14 75 to 79, Port Noarlunga South: +18 70 to 74, Port Noarlunga South: +20 65 to 69, Port Noarlunga South: +9 60 to 64, Port Noarlunga South: +7 55 to 59, Port Noarlunga South: -18 50 to 54, Port Noarlunga South: +16 45 to 49, Port Noarlunga South: -4 40 to 44, Port Noarlunga South: -7 35 to 39, Port Noarlunga South: +32 30 to 34, Port Noarlunga South: +16 25 to 29, Port Noarlunga South: +26 20 to 24, Port Noarlunga South: -5 15 to 19, Port Noarlunga South: +7 10 to 14, Port Noarlunga South: +15 5 to 9, Port Noarlunga South: -8 0 to 4, Port Noarlunga South: +30
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 female five year age groups of Port Noarlunga South in 2021 compared to the City of Onkaparinga shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).

Overall, 16.9% of the female population was aged between 0 and 15, and 19.4% were aged 65 years and over, compared with 16.8% and 21.0% respectively for the City of Onkaparinga.

The major differences between the female age structure of Port Noarlunga South and the City of Onkaparinga were:

  • A larger percentage of females aged 35 to 39 (8.1% compared to 6.8%)
  • A larger percentage of females aged 0 to 4 (6.3% compared to 5.1%)
  • A larger percentage of females aged 25 to 29 (6.9% compared to 5.9%)
  • A smaller percentage of females aged 85 and over (1.8% compared to 2.6%)

Emerging groups

From 2016 to 2021, Port Noarlunga South's female population increased by 173 people (12.8%). This represents an average annual population change of 2.44% per year over the period.

There were no major differences in Port Noarlunga South between 2016 and 2021.

v20.11.10-1.0.0