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Wollongong City CouncilPopulation forecast

Marshall Mount - Haywards Bay - Yallah

Population and age structure

Between 2021 and 2031, the age structure forecasts for Marshall Mount - Haywards Bay - Yallah indicate a 44.6% increase in females under working age, a 35.9% increase in females of retirement age, and a 30.8% 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 Wollongong City Council 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 - Service age groups
Marshall Mount - Haywards Bay - Yallah - Total females202120312046Change between 2021 and 2046
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)628.0797.63527.9+290
Primary schoolers (5 to 11)8210.612311.855812.6+477
Secondary schoolers (12 to 17)709.0797.63868.7+316
Tertiary education and independence (18 to 24)547.0969.23838.7+329
Young workforce (25 to 34)678.614814.259513.4+529
Parents and homebuilders (35 to 49)17022.020819.91,01723.0+847
Older workers and pre-retirees (50 to 59)10513.610910.547710.8+371
Empty nesters and retirees (60 to 69)10413.5807.63197.2+215
Seniors (70 to 84)567.3959.12826.4+225
Elderly aged (85 and over)20.3272.6611.4+59
Total persons772100.01,043100.04,431100.0+3,658
Source: Population and household forecasts, 2021 to 2046, prepared by .id (informed decisions), April 2024.

Key findings

In 2021, the dominant age structure for females in Marshall Mount - Haywards Bay - Yallah was ages Parents and homebuilders (35 to 49), which accounted for 22.0% of the total females.

The largest increase in females between 2021 and 2031 is forecast to be in ages Young workforce (25 to 34), which is expected to increase by 81 and account for 14.2% of the total females.

The largest female 5 year age group in 2031 is Parents and homebuilders (35 to 49) years, with a total of 208 females.

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