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Bayside CouncilCommunity profile

Hillsdale - Eastgardens

Five year age groups

In 2021, the largest age group in Hillsdale - Eastgardens was 30 to 34 year olds. The group that changed the most since 2016 was 25 to 29 year olds, increasing by 604 people.

The Age Structure of Hillsdale - Eastgardens provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Hillsdale - Eastgardens'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 Hillsdale - Eastgardens'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
Hillsdale - Eastgardens - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Ward 2 %Number%Ward 2 %2016 to 2021
0 to 46396.65.54216.65.9+218
5 to 94774.93.74046.34.1+73
10 to 144604.73.03034.83.5+157
15 to 193894.03.43615.75.0+28
20 to 248939.211.25278.310.7+366
25 to 291,16912.017.55658.916.1+604
30 to 341,21512.515.965210.213.2+563
35 to 399639.99.95448.58.5+419
40 to 446807.06.04577.26.2+223
45 to 495816.04.74056.45.0+176
50 to 544664.84.03916.14.6+75
55 to 594744.93.73114.94.2+163
60 to 643383.53.23024.73.7+36
65 to 693123.22.62584.02.8+54
70 to 742873.02.11923.02.1+95
75 to 791701.71.61121.81.8+58
80 to 841061.11.2851.31.3+21
85 and over981.01.1841.31.3+14
Total population9,717100.0100.06,374100.0100.0+3,343
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 Hillsdale - Eastgardens in 2021 compared to Ward 2 shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).

Overall, 16.2% of the population was aged between 0 and 15, and 10.0% were aged 65 years and over, compared with 12.2% and 8.5% respectively for Ward 2.

The major differences between the age structure of Hillsdale - Eastgardens and Ward 2 were:

  • A larger percentage of persons aged 10 to 14 (4.7% compared to 3.0%)
  • A smaller percentage of persons aged 25 to 29 (12.0% compared to 17.5%)
  • A smaller percentage of persons aged 30 to 34 (12.5% compared to 15.9%)
  • A smaller percentage of persons aged 20 to 24 (9.2% compared to 11.2%)

Emerging groups

From 2016 to 2021, Hillsdale - Eastgardens's population increased by 3,343 people (52.4%). This represents an average annual population change of 8.8% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 25 to 29 (+604 persons)
  • 30 to 34 (+563 persons)
  • 35 to 39 (+419 persons)
  • 20 to 24 (+366 persons)

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