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Hobsons Bay CityPopulation forecast

Hobsons Bay City

Population and age structure

Between 2021 and 2026, the age structure forecasts for Hobsons Bay City indicate a 9.1% increase in population under working age, a 11.3% increase in population of retirement age, and a 11.7% 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 Hobsons Bay 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
Hobsons Bay City - Total persons202120262041Change between 2021 and 2041
Age group (years)Number%Number%Number%Number
0 to 45,9506.46,7506.68,0116.6+2,061
5 to 95,8926.46,1516.07,2376.0+1,345
10 to 145,4225.95,9415.86,5795.5+1,156
15 to 194,5084.95,4395.36,0695.0+1,561
20 to 244,6755.15,3715.26,3795.3+1,704
25 to 295,8196.36,9046.77,9936.6+2,174
30 to 347,0177.68,0667.99,3247.7+2,307
35 to 397,5268.28,5048.39,7798.1+2,253
40 to 446,8367.48,1918.09,4167.8+2,579
45 to 496,5357.16,9756.88,7107.2+2,175
50 to 546,4337.06,6426.58,0826.7+1,649
55 to 595,7956.36,1646.07,2336.0+1,437
60 to 645,3215.85,3125.26,0405.0+718
65 to 694,3144.74,8214.75,2864.4+973
70 to 743,6594.03,9263.84,6523.9+993
75 to 792,5552.83,2113.13,9063.2+1,351
80 to 841,9222.12,1082.13,1152.6+1,193
85 and over2,0772.32,1072.12,7362.3+658
Total persons92,258100.0102,583100.0120,546100.0+28,287
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), November 2022.

Key findings

In 2021, the dominant age structure for persons in Hobsons Bay City was ages 35 to 39, which accounted for 8.2% of the total persons.

The largest increase in persons between 2021 and 2026 is forecast to be in ages 40 to 44, which is expected to increase by 1,354 and account for 8.0% of the total persons.

The largest 5 year age group in 2026 is 35 to 39 years, with a total of 8,504 persons.

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