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City of CaseyPopulation forecast

Fountain Gate - Narre Warren

Population and age structure

Between 2021 and 2036, the age structure forecasts for Fountain Gate - Narre Warren indicate a 17.3% increase in females under working age, a 47.9% increase in females of retirement age, and a 14.0% increase 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 Casey 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
Fountain Gate - Narre Warren - Total females202120362046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
0 to 45,9456.17,5366.57,5316.3+1,586
5 to 96,6016.87,6236.67,6266.3+1,025
10 to 146,8377.07,5776.57,6796.4+842
15 to 196,4656.67,1516.27,5286.3+1,063
20 to 246,4796.77,1586.27,3126.1+833
25 to 296,3986.67,4596.47,4256.2+1,027
30 to 346,7747.08,2427.18,2036.8+1,429
35 to 397,1587.48,6387.48,6057.2+1,447
40 to 446,6596.88,2947.18,3336.9+1,674
45 to 496,7106.97,7176.77,9416.6+1,231
50 to 546,6476.87,0586.17,4246.2+777
55 to 596,1486.36,3745.56,8545.7+706
60 to 645,3755.55,8015.06,0705.0+695
65 to 694,1924.35,1654.55,2144.3+1,022
70 to 743,3103.44,5493.94,7894.0+1,479
75 to 792,3042.43,8553.34,3503.6+2,046
80 to 841,6251.72,8702.53,5853.0+1,960
85 and over1,6841.72,9522.53,8503.2+2,166
Total persons97,311100.0116,019100.0120,317100.0+23,006
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), October 2023.

Key findings

In 2021, the dominant age structure for females in Fountain Gate - Narre Warren was ages 35 to 39, which accounted for 7.4% of the total females.

The largest increase in females between 2021 and 2036 is forecast to be in ages 40 to 44, which is expected to increase by 1,635 and account for 7.1% of the total females.

The largest female 5 year age group in 2036 is 35 to 39 years, with a total of 8,638 females.

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