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Wollondilly Shire CouncilCommunity profile

Buxton - Couridjah

Five year age groups

In 2021, the largest age group in Buxton - Couridjah was 25 to 29 year olds. The group that changed the most since 2016 was 25 to 29 year olds, increasing by 67 people.

The Age Structure of Buxton - Couridjah provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Buxton - Couridjah'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 Buxton - Couridjah'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
Buxton - Couridjah - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Wollondilly Shire %Number%Wollondilly Shire %2016 to 2021
0 to 41617.27.01536.96.8+7
5 to 91617.27.31747.87.7-13
10 to 141556.97.52029.17.5-48
15 to 191787.96.91968.87.0-18
20 to 241577.05.91215.56.0+35
25 to 291878.35.71205.45.7+67
30 to 341516.76.41677.56.1-16
35 to 391476.56.61737.86.2-26
40 to 441486.66.21727.87.3-24
45 to 491687.57.01436.57.2+24
50 to 541396.26.71496.76.7-10
55 to 591496.66.01456.56.6+4
60 to 641255.65.71125.15.8+13
65 to 69984.45.0884.04.9+9
70 to 74632.84.3522.43.3+10
75 to 79391.72.8241.12.2+15
80 to 84140.61.890.41.5+5
85 and over110.51.4130.61.3-3
Total population2,251100.0100.02,221100.0100.0+29
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 five year age groups of Buxton - Couridjah in 2021 compared to Wollondilly Shire shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 21.2% of the population was aged between 0 and 15, and 10.0% were aged 65 years and over, compared with 21.7% and 15.3% respectively for Wollondilly Shire.

The major differences between the age structure of Buxton - Couridjah and Wollondilly Shire were:

  • A larger percentage of persons aged 25 to 29 (8.3% compared to 5.7%)
  • A smaller percentage of persons aged 70 to 74 (2.8% compared to 4.3%)
  • A smaller percentage of persons aged 80 to 84 (0.6% compared to 1.8%)
  • A smaller percentage of persons aged 75 to 79 (1.7% compared to 2.8%)

Emerging groups

From 2016 to 2021, Buxton - Couridjah's population increased by 30 people (1.4%). This represents an average annual population change of 0.27% per year over the period.

The largest change in age structure in this area between 2016 and 2021 was in the age group:

  • 25 to 29 (+67 persons)

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