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Cumberland City CouncilPopulation forecast

Wentworthville

Population and age structure

Between 2016 and 2026, the age structure forecasts for Wentworthville indicate a 77.5% increase in population under working age, a 107.2% increase in population of retirement age, and a 67.6% 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 Wentworthville 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
Wentworthville - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 46498.41,1808.81,1808.0+530
5 to 95106.68486.49256.3+415
10 to 143554.66604.97875.3+433
15 to 193945.16615.07445.0+350
20 to 245597.38606.49446.4+386
25 to 297049.21,3139.81,3289.0+624
30 to 3498312.81,51711.41,4599.9+476
35 to 397029.11,2779.61,2908.7+588
40 to 444916.41,0157.61,0787.3+587
45 to 494165.48136.19586.5+542
50 to 544445.86434.88725.9+427
55 to 594095.35253.96994.7+290
60 to 643194.24593.45523.7+233
65 to 692583.44493.44993.4+241
70 to 741722.23882.94523.1+280
75 to 791712.23012.34132.8+242
80 to 84781.02261.73362.3+258
85 and over761.02001.52451.7+169
Total persons7,689100.013,334100.014,760100.0+7,070
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), September 2017.

Key findings

In 2016, the dominant age structure for persons in Wentworthville was ages 30 to 34, which accounted for 12.8% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 25 to 29, which is expected to increase by 609 and account for 9.8% of the total persons.

The largest 5 year age group in 2026 is 30 to 34 years, with a total of 1,517 persons.

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