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City of MeltonPopulation forecast

Thornhill Park

Population and age structure

Between 2021 and 2036, the age structure forecasts for Thornhill Park indicate a 416.2% increase in males under working age, a 851.6% increase in males of retirement age, and a 387.9% increase in males 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 the City of Melton 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
Thornhill Park - Total males202120362051Change between 2021 and 2051
Age group (years)Number%Number%Number%Number
0 to 419913.080310.41,2289.5+1,029
5 to 91358.87129.21,0748.3+940
10 to 14734.85867.68967.0+823
15 to 19634.14656.07906.1+727
20 to 241127.34475.87585.9+647
25 to 2920013.16278.19827.6+782
30 to 3426617.486711.21,33210.3+1,066
35 to 3924415.996312.51,46911.4+1,225
40 to 44966.379110.21,1769.1+1,080
45 to 49553.65627.38766.8+821
50 to 54221.43294.26435.0+621
55 to 59251.61822.44923.8+467
60 to 64110.71051.43432.7+332
65 to 69171.1801.02361.8+219
70 to 7470.5620.81661.3+159
75 to 7940.2480.61301.0+126
80 to 8410.0490.61271.0+126
85 and over20.1560.71671.3+165
Total persons1,533100.07,734100.012,888100.0+11,354
Source: Population and household forecasts, 2021 to 2051, prepared by .id (informed decisions), April 2024.

Key findings

In 2021, the dominant age structure for males in Thornhill Park was ages 30 to 34, which accounted for 17.4% of the total males.

The largest increase in males between 2021 and 2036 is forecast to be in ages 35 to 39, which is expected to increase by 719 and account for 12.5% of the total males.

The largest male 5 year age group in 2036 is 35 to 39 years, with a total of 963 males.

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