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Georges River CouncilPopulation forecast

Peakhurst

Population and age structure

Between 2021 and 2031, the age structure forecasts for Peakhurst indicate a 12.6% increase in population under working age, a 15.5% increase in population of retirement age, and a 9.5% increase in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of Georges River Council is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - 5 year age groups
Peakhurst - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 47035.88106.07595.4+56
5 to 97746.48776.58406.0+65
10 to 146995.77645.67705.5+71
15 to 197246.07605.67745.5+50
20 to 247075.86945.17035.0-4
25 to 296745.57265.46965.0+23
30 to 348156.78646.48075.8-8
35 to 398156.78966.68576.1+42
40 to 448066.69126.78806.3+74
45 to 497346.08716.48816.3+146
50 to 547336.08306.18666.2+134
55 to 597215.97945.98676.2+146
60 to 647005.77905.88536.1+153
65 to 695594.67145.37895.6+230
70 to 745304.46354.77125.1+183
75 to 794483.75103.86534.7+205
80 to 843452.84353.25383.8+193
85 and over6835.66684.97785.5+94
Total persons12,169100.013,551100.014,023100.0+1,854
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), October 2023.

Key findings

In 2021, the dominant age structure for persons in Peakhurst was ages 30 to 34, which accounted for 6.7% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 65 to 69, which is expected to increase by 155 and account for 5.3% of the total persons.

The largest 5 year age group in 2031 is 40 to 44 years, with a total of 912 persons.

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