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Hornsby Shire CouncilPopulation forecast

Hornsby Town Centre

Population and age structure

Between 2021 and 2026, the age structure forecasts for Hornsby Town Centre indicate a 122.2% increase in females under working age, a 156.8% increase in females of retirement age, and a 418.3% 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 Hornsby Shire 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
Hornsby Town Centre - Total females202120262036Change between 2021 and 2036
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)125.8293.31504.4+138
Primary schoolers (5 to 11)136.2242.71063.1+94
Secondary schoolers (12 to 17)52.6242.7762.2+71
Tertiary education and independence (18 to 24)188.717519.753015.6+513
Young workforce (25 to 34)4220.334939.21,23936.3+1,197
Parents and homebuilders (35 to 49)4622.410411.754716.0+502
Older workers and pre-retirees (50 to 59)2311.4707.92647.8+241
Empty nesters and retirees (60 to 69)199.4535.92146.3+194
Seniors (70 to 84)2110.2445.02216.5+200
Elderly aged (85 and over)62.9182.0621.8+56
Total persons205100.0891100.03,411100.0+3,206
Source: Population and household forecasts, 2021 to 2036, prepared by .id (informed decisions), January 2023.

Key findings

In 2021, the dominant age structure for females in Hornsby Town Centre was ages Parents and homebuilders (35 to 49), which accounted for 22.4% of the total females.

The largest increase in females between 2021 and 2026 is forecast to be in ages Young workforce (25 to 34), which is expected to increase by 308 and account for 39.2% of the total females.

The largest female 5 year age group in 2026 is Young workforce (25 to 34) years, with a total of 349 females.

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