City of OnkaparingaPopulation forecast
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Coromandel East - Cherry Gardens - Chandlers Hill - Ironbank

Population and age structure

Between 2016 and 2026, the age structure forecasts for Coromandel East - Cherry Gardens - Chandlers Hill - Ironbank indicate a 10.2% decrease in population under working age, a 42.1% increase in population of retirement age, and a 4.3% decrease 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 the City of Onkaparinga 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
Coromandel East - Cherry Gardens - Chandlers Hill - Ironbank - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 4673.5874.4904.4+23
5 to 91266.61055.41125.4-14
10 to 141598.31246.41446.9-15
15 to 191266.61497.61527.3+26
20 to 24944.91145.91065.1+12
25 to 29562.9472.4552.6-1
30 to 34442.3432.2502.4+6
35 to 391125.9753.8813.9-31
40 to 441497.81125.71246.0-25
45 to 491628.51527.81507.2-13
50 to 5419110.01648.41527.4-39
55 to 591608.41497.61507.2-10
60 to 641276.71648.41547.5+27
65 to 691497.81578.01587.6+9
70 to 741045.51236.31537.4+49
75 to 79331.71075.51175.7+84
80 to 84241.3633.2773.7+53
85 and over201.0191.0482.3+28
Total persons1,905100.01,954100.02,072100.0+168

Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, October 2017.

Forecast age structure - 5 year age groups
Forecast age structure - 5 year age groups Forecast persons aged 85+,  2036: 48 Forecast persons aged 80-84,  2036: 77 Forecast persons aged 75-79,  2036: 117 Forecast persons aged 70-74,  2036: 153 Forecast persons aged 65-69,  2036: 158 Forecast persons aged 60-64,  2036: 154 Forecast persons aged 55-59,  2036: 150 Forecast persons aged 50-54,  2036: 152 Forecast persons aged 45-49,  2036: 150 Forecast persons aged 40-44,  2036: 124 Forecast persons aged 35-39,  2036: 81 Forecast persons aged 30-34,  2036: 50 Forecast persons aged 25-29,  2036: 55 Forecast persons aged 20-24,  2036: 106 Forecast persons aged 15-19,  2036: 152 Forecast persons aged 10-14,  2036: 144 Forecast persons aged 5-9,  2036: 112 Forecast persons aged 0-4,  2036: 90 Forecast persons aged 85+,  2026: 19 Forecast persons aged 80-84,  2026: 63 Forecast persons aged 75-79,  2026: 107 Forecast persons aged 70-74,  2026: 123 Forecast persons aged 65-69,  2026: 157 Forecast persons aged 60-64,  2026: 164 Forecast persons aged 55-59,  2026: 149 Forecast persons aged 50-54,  2026: 164 Forecast persons aged 45-49,  2026: 152 Forecast persons aged 40-44,  2026: 112 Forecast persons aged 35-39,  2026: 75 Forecast persons aged 30-34,  2026: 43 Forecast persons aged 25-29,  2026: 47 Forecast persons aged 20-24,  2026: 114 Forecast persons aged 15-19,  2026: 149 Forecast persons aged 10-14,  2026: 124 Forecast persons aged 5-9,  2026: 105 Forecast persons aged 0-4,  2026: 87 Forecast persons aged 85+,  2016: 20 Forecast persons aged 80-84,  2016: 24 Forecast persons aged 75-79,  2016: 33 Forecast persons aged 70-74,  2016: 104 Forecast persons aged 65-69,  2016: 149 Forecast persons aged 60-64,  2016: 127 Forecast persons aged 55-59,  2016: 160 Forecast persons aged 50-54,  2016: 191 Forecast persons aged 45-49,  2016: 162 Forecast persons aged 40-44,  2016: 149 Forecast persons aged 35-39,  2016: 112 Forecast persons aged 30-34,  2016: 44 Forecast persons aged 25-29,  2016: 56 Forecast persons aged 20-24,  2016: 94 Forecast persons aged 15-19,  2016: 126 Forecast persons aged 10-14,  2016: 159 Forecast persons aged 5-9,  2016: 126 Forecast persons aged 0-4,  2016: 67
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, October 2017.
Forecast change in age structure - 5 year age groups
Forecast change in age structure - 5 year age groups Forecast persons aged 85+,  2026 to 2036: 29 Forecast persons aged 80-84,  2026 to 2036: 14 Forecast persons aged 75-79,  2026 to 2036: 10 Forecast persons aged 70-74,  2026 to 2036: 30 Forecast persons aged 65-69,  2026 to 2036: 1 Forecast persons aged 60-64,  2026 to 2036: -10 Forecast persons aged 55-59,  2026 to 2036: 2 Forecast persons aged 50-54,  2026 to 2036: -12 Forecast persons aged 45-49,  2026 to 2036: -2 Forecast persons aged 40-44,  2026 to 2036: 12 Forecast persons aged 35-39,  2026 to 2036: 6 Forecast persons aged 30-34,  2026 to 2036: 7 Forecast persons aged 25-29,  2026 to 2036: 8 Forecast persons aged 20-24,  2026 to 2036: -9 Forecast persons aged 15-19,  2026 to 2036: 3 Forecast persons aged 10-14,  2026 to 2036: 19 Forecast persons aged 5-9,  2026 to 2036: 7 Forecast persons aged 0-4,  2026 to 2036: 4 Forecast persons aged 85+,  2016 to 2026: -1 Forecast persons aged 80-84,  2016 to 2026: 39 Forecast persons aged 75-79,  2016 to 2026: 74 Forecast persons aged 70-74,  2016 to 2026: 18 Forecast persons aged 65-69,  2016 to 2026: 8 Forecast persons aged 60-64,  2016 to 2026: 37 Forecast persons aged 55-59,  2016 to 2026: -12 Forecast persons aged 50-54,  2016 to 2026: -27 Forecast persons aged 45-49,  2016 to 2026: -11 Forecast persons aged 40-44,  2016 to 2026: -38 Forecast persons aged 35-39,  2016 to 2026: -37 Forecast persons aged 30-34,  2016 to 2026: -1 Forecast persons aged 25-29,  2016 to 2026: -9 Forecast persons aged 20-24,  2016 to 2026: 20 Forecast persons aged 15-19,  2016 to 2026: 23 Forecast persons aged 10-14,  2016 to 2026: -34 Forecast persons aged 5-9,  2016 to 2026: -21 Forecast persons aged 0-4,  2016 to 2026: 19
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, October 2017.

Key findings

In 2016, the dominant age structure for persons in Coromandel East - Cherry Gardens - Chandlers Hill - Ironbank was ages 50 to 54, which accounted for 10.0% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 75 to 79, which is expected to increase by 74 and account for 5.5% of the total persons.

The largest 5 year age group in 2026 is 50 to 54 years, with a total of 164 persons.

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