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City of PlayfordCommunity profile

One Tree Hill

Five year age groups

In 2021, the largest age group in One Tree Hill was 55 to 59 year olds. The group that changed the most since 2016 was 45 to 49 year olds, decreasing by 21 people.

The Age Structure of One Tree Hill provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of One Tree Hill'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 One Tree Hill'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
One Tree Hill - Total females (Usual residence)20212016Change
Five year age groups (years)Number%City of Playford %Number%City of Playford %2016 to 2021
0 to 4204.07.5244.78.2-4
5 to 9244.87.7336.47.7-9
10 to 14306.07.1326.26.2-2
15 to 19367.35.9397.66.5-3
20 to 24336.77.1295.67.7+4
25 to 29173.48.1183.58.3-1
30 to 34193.88.0152.97.4+4
35 to 39316.37.1173.36.0+14
40 to 44265.25.6387.45.7-12
45 to 49346.95.65510.76.2-21
50 to 54499.95.75610.96.5-7
55 to 595711.55.8468.95.7+11
60 to 64459.15.2356.84.6+10
65 to 69295.84.0326.23.9-3
70 to 74193.83.3193.73.00
75 to 79163.22.4112.12.6+5
80 to 8451.01.940.81.9+1
85 and over61.21.9112.11.8-5
Total population496100.0100.0514100.0100.0-18
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female five year age groups of One Tree Hill in 2021 compared to the City of Playford shows that there was a lower proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).

Overall, 14.9% of the female population was aged between 0 and 15, and 15.1% were aged 65 years and over, compared with 22.3% and 13.6% respectively for the City of Playford.

The major differences between the female age structure of One Tree Hill and the City of Playford were:

  • A larger percentage of females aged 55 to 59 (11.5% compared to 5.8%)
  • A larger percentage of females aged 50 to 54 (9.9% compared to 5.7%)
  • A smaller percentage of females aged 25 to 29 (3.4% compared to 8.1%)
  • A smaller percentage of females aged 30 to 34 (3.8% compared to 8.0%)

Emerging groups

From 2016 to 2021, One Tree Hill's female population decreased by 18 people (3.5%). This represents an average annual population change of -0.71% per year over the period.

There were no major differences in One Tree Hill between 2016 and 2021.

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