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Central Coast NSWPopulation forecast

Warnervale - Wallarah - Bushells Ridge

Population and age structure

Between 2021 and 2026, the age structure forecasts for Warnervale - Wallarah - Bushells Ridge indicate a 240.6% increase in females under working age, a 317.0% increase in females of retirement age, and a 184.3% 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 Central Coast NSW 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.

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Forecast age structure - 5 year age groups
Warnervale - Wallarah - Bushells Ridge - Total females202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
0 to 4459.01097.12746.4+229
5 to 9153.01238.03057.2+290
10 to 14367.2956.22967.0+260
15 to 19479.4714.62315.4+184
20 to 24397.8775.01794.2+140
25 to 29295.81389.02896.8+260
30 to 34387.615910.43879.1+349
35 to 39224.415810.34209.9+398
40 to 44326.41127.33628.5+330
45 to 49448.8785.12836.7+239
50 to 54408.0674.41914.5+151
55 to 59285.6624.01473.5+119
60 to 64377.4905.92125.0+175
65 to 69224.4795.22215.2+199
70 to 74132.6493.21844.3+171
75 to 7981.6362.31413.3+133
80 to 8440.8181.2791.9+75
85 and over00.0140.9481.1+48
Total persons499100.01,535100.04,249100.0+3,750
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the dominant age structure for females in Warnervale - Wallarah - Bushells Ridge was ages 15 to 19, which accounted for 9.4% of the total females.

The largest increase in females between 2021 and 2026 is forecast to be in ages 35 to 39, which is expected to increase by 136 and account for 10.3% of the total females.

The largest female 5 year age group in 2026 is 30 to 34 years, with a total of 159 females.

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