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Lismore CityPopulation forecast

Goonellabah South - Chilcotts Grass

Population and age structure

Between 2021 and 2031, the age structure forecasts for Goonellabah South - Chilcotts Grass indicate a 19.9% increase in population under working age, a 1.0% decrease in population of retirement age, and a 21.2% 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 Lismore City 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
Goonellabah South - Chilcotts Grass - Total persons202120312041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 46526.57626.58216.4+170
5 to 96616.67966.88646.7+203
10 to 146646.68137.08846.9+220
15 to 195805.87186.27946.2+214
20 to 245945.97296.27886.1+194
25 to 296586.58026.98566.7+198
30 to 346076.07676.68266.4+220
35 to 396146.17206.27916.2+177
40 to 445615.67136.18036.3+242
45 to 495815.87866.78596.7+279
50 to 546246.27426.48426.6+218
55 to 595465.46495.67776.1+231
60 to 645815.85784.96595.1+78
65 to 695345.35184.45944.6+60
70 to 745125.15274.55374.2+25
75 to 793543.54323.74393.4+85
80 to 843103.13212.83452.7+35
85 and over4144.13052.63432.7-72
Total persons10,048100.011,678100.012,824100.0+2,777
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the dominant age structure for persons in Goonellabah South - Chilcotts Grass was ages 10 to 14, which accounted for 6.6% of the total persons.

The largest increase in persons between 2021 and 2031 is forecast to be in ages 45 to 49, which is expected to increase by 205 and account for 6.7% of the total persons.

The largest 5 year age group in 2031 is 10 to 14 years, with a total of 813 persons.

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