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City of WhittleseaPopulation forecast

Mill Park

Population and age structure

Between 2021 and 2031, the age structure forecasts for Mill Park indicate a 18.8% increase in females under working age, a 35.5% increase in females of retirement age, and a 8.7% decrease in females 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 Whittlesea 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
Mill Park - Total females202120312041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 47014.99446.59506.4+249
5 to 97275.18806.08906.0+163
10 to 147145.07214.98305.6+116
15 to 197925.67895.48645.9+71
20 to 249416.69446.59436.4+2
25 to 299526.71,0527.21,0527.1+100
30 to 341,0297.21,0487.21,0517.1+22
35 to 399756.89086.29456.4-30
40 to 448245.89076.29156.2+91
45 to 498796.28235.67895.3-90
50 to 541,0997.77635.28085.5-291
55 to 591,2338.78435.87685.2-466
60 to 641,0687.58635.96474.4-420
65 to 698455.98876.16784.6-167
70 to 745934.28005.57385.0+145
75 to 793622.56324.37264.9+364
80 to 842431.74082.85803.9+337
85 and over2601.83942.75904.0+330
Total persons14,239100.014,606100.014,763100.0+524
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), January 2023.

Key findings

In 2021, the dominant age structure for females in Mill Park was ages 55 to 59, which accounted for 8.7% of the total females.

The largest increase in females between 2021 and 2031 is forecast to be in ages 75 to 79, which is expected to increase by 270 and account for 4.3% of the total females.

The largest female 5 year age group in 2031 is 25 to 29 years, with a total of 1,052 females.

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