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Yarra Ranges CouncilPopulation forecast

Mooroolbark

Population and age structure

Between 2021 and 2031, the age structure forecasts for Mooroolbark indicate a 4.5% increase in population under working age, a 12.2% increase in population of retirement age, and a 7.8% 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 Yarra Ranges 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
Mooroolbark - Total persons202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 41,6026.91,6826.71,8256.6+223
5 to 91,5666.71,6276.51,7546.3+188
10 to 141,5146.51,5836.31,7146.2+200
15 to 191,3775.91,5626.21,6796.0+302
20 to 241,4756.31,5346.11,6666.0+191
25 to 291,5906.81,6646.61,8506.7+261
30 to 341,8738.01,9037.62,0787.5+205
35 to 391,8848.11,9907.92,1737.8+288
40 to 441,4926.41,9067.62,0467.4+554
45 to 491,5126.51,8057.21,9587.0+446
50 to 541,4036.01,4735.91,7716.4+368
55 to 591,2955.51,3235.31,5675.6+272
60 to 641,2455.31,1654.61,3674.9+122
65 to 691,0694.61,0484.21,1224.0+53
70 to 749794.29793.91,0113.6+32
75 to 797323.17963.28633.1+131
80 to 844011.75962.46582.4+258
85 and over3391.55302.17032.5+364
Total persons23,346100.025,168100.027,804100.0+4,458
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), November 2023.

Key findings

In 2021, the dominant age structure for persons in Mooroolbark was ages 35 to 39, which accounted for 8.1% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 40 to 44, which is expected to increase by 413 and account for 7.6% of the total persons.

The largest 5 year age group in 2031 is 35 to 39 years, with a total of 1,990 persons.

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