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City of MeltonPopulation forecast

Bonnie Brook

Population and age structure

Between 2016 and 2031, the age structure forecasts for Bonnie Brook indicate a 2019.4% increase in population under working age, a 950.0% increase in population of retirement age, and a 1576.3% 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 Bonnie Brook 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
Bonnie Brook - Total persons201620312051Change between 2016 and 2051
Age group (years)Number%Number%Number%Number
0 to 41310.128612.73,02212.7+3,008
5 to 9107.52219.82,44810.3+2,438
10 to 1486.21506.61,7077.1+1,699
15 to 1954.11416.21,5086.3+1,502
20 to 2475.71727.61,7507.3+1,742
25 to 291914.823910.62,2489.4+2,229
30 to 341914.331514.02,90212.2+2,884
35 to 391310.027312.12,77111.6+2,758
40 to 4486.21878.32,1669.1+2,158
45 to 4964.61235.41,5316.4+1,525
50 to 5443.2602.67473.1+743
55 to 5986.5341.53031.3+295
60 to 6443.1150.71400.6+136
65 to 6921.6100.5960.4+94
70 to 7411.0100.5980.4+96
75 to 7910.580.4840.4+83
80 to 8400.350.2750.3+75
85 and over00.290.42791.2+278
Total persons130100.02,258100.023,873100.0+23,744
Population and household forecasts, 2016 to 2051, prepared by .id , the population experts, June 2020.

Key findings

In 2016, the dominant age structure for persons in Bonnie Brook was ages 25 to 29, which accounted for 14.8% of the total persons.

The largest increase in persons between 2016 and 2031 is forecast to be in ages 30 to 34, which is expected to increase by 297 and account for 14.0% of the total persons.

The largest 5 year age group in 2031 is 30 to 34 years, with a total of 315 persons.

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