svg rectangle color
Alexandrina CouncilPopulation forecast

Alexandrina Council

Population and age structure

Between 2016 and 2021, the age structure forecasts for Alexandrina Council indicate a 2.0% increase in population under working age, a 13.8% increase in population of retirement age, and a 2.5% 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 Alexandrina 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 - 5 year age groups
Alexandrina Council - Total persons201620212026Change between 2016 and 2026
Age group (years)Number%Number%Number%Number
0 to 41,2394.71,3344.81,4124.7+174
5 to 91,4815.61,4685.21,5965.3+115
10 to 141,5485.81,5535.51,6105.4+63
15 to 191,3495.11,3704.91,4044.7+54
20 to 241,1074.21,0913.91,1093.7+2
25 to 291,1044.21,0803.91,1003.7-4
30 to 341,0844.11,1784.21,2064.0+122
35 to 391,2044.51,2544.51,3754.6+171
40 to 441,5495.81,4115.01,5185.1-31
45 to 491,6226.11,6806.01,6345.4+12
50 to 541,7976.81,8126.51,9116.4+114
55 to 592,0217.62,0827.42,1737.2+152
60 to 642,0987.92,3548.42,4998.3+402
65 to 692,3989.02,3528.42,6388.8+241
70 to 741,9177.22,3398.32,3587.9+441
75 to 791,3825.21,7356.22,1047.0+722
80 to 848263.11,0703.81,3394.5+513
85 and over8123.18493.09943.3+182
Total persons26,535100.028,012100.029,980100.0+3,444
Source: Population and household forecasts, 2016 to 2041, prepared by .id (informed decisions), April 2018.

Key findings

In 2016, the dominant age structure for persons in Alexandrina Council was ages 65 to 69, which accounted for 9.0% of the total persons.

The largest increase in persons between 2016 and 2021 is forecast to be in ages 70 to 74, which is expected to increase by 422 and account for 8.3% of the total persons.

The largest 5 year age group in 2021 is 60 to 64 years, with a total of 2,354 persons.

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices.

ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at ABS data can be used under license - terms published on ABS website. if you have any queries or wish to distribute any ABS data.