City of OnkaparingaPopulation forecast
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Port Noarlunga

Population and age structure

Between 2016 and 2026, the age structure forecasts for Port Noarlunga indicate a 15.3% increase in population under working age, a 36.4% increase in population of retirement age, and a 4.9% 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 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
Port Noarlunga - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
0 to 41515.01865.42245.5+73
5 to 91745.71905.52275.6+53
10 to 141655.41895.52325.8+67
15 to 191926.32056.02446.1+53
20 to 241655.41785.22155.3+50
25 to 291234.11905.52215.5+97
30 to 341675.52056.02446.1+77
35 to 391635.42146.22736.8+110
40 to 442377.82316.72867.1+49
45 to 492237.41885.52466.1+22
50 to 542317.62116.22285.7-3
55 to 592317.62106.12105.2-21
60 to 642096.92056.02115.2+2
65 to 691635.42096.12135.3+50
70 to 741244.11935.62075.1+82
75 to 791073.51374.01784.4+70
80 to 84953.11093.21553.9+60
85 and over1163.81775.22195.4+103
Total persons3,037100.03,425100.04,033100.0+995

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: 219 Forecast persons aged 80-84,  2036: 155 Forecast persons aged 75-79,  2036: 178 Forecast persons aged 70-74,  2036: 207 Forecast persons aged 65-69,  2036: 213 Forecast persons aged 60-64,  2036: 211 Forecast persons aged 55-59,  2036: 210 Forecast persons aged 50-54,  2036: 228 Forecast persons aged 45-49,  2036: 246 Forecast persons aged 40-44,  2036: 286 Forecast persons aged 35-39,  2036: 273 Forecast persons aged 30-34,  2036: 244 Forecast persons aged 25-29,  2036: 221 Forecast persons aged 20-24,  2036: 215 Forecast persons aged 15-19,  2036: 244 Forecast persons aged 10-14,  2036: 232 Forecast persons aged 5-9,  2036: 227 Forecast persons aged 0-4,  2036: 224 Forecast persons aged 85+,  2026: 177 Forecast persons aged 80-84,  2026: 109 Forecast persons aged 75-79,  2026: 137 Forecast persons aged 70-74,  2026: 193 Forecast persons aged 65-69,  2026: 209 Forecast persons aged 60-64,  2026: 205 Forecast persons aged 55-59,  2026: 210 Forecast persons aged 50-54,  2026: 211 Forecast persons aged 45-49,  2026: 188 Forecast persons aged 40-44,  2026: 231 Forecast persons aged 35-39,  2026: 214 Forecast persons aged 30-34,  2026: 205 Forecast persons aged 25-29,  2026: 190 Forecast persons aged 20-24,  2026: 178 Forecast persons aged 15-19,  2026: 205 Forecast persons aged 10-14,  2026: 189 Forecast persons aged 5-9,  2026: 190 Forecast persons aged 0-4,  2026: 186 Forecast persons aged 85+,  2016: 116 Forecast persons aged 80-84,  2016: 95 Forecast persons aged 75-79,  2016: 107 Forecast persons aged 70-74,  2016: 124 Forecast persons aged 65-69,  2016: 163 Forecast persons aged 60-64,  2016: 209 Forecast persons aged 55-59,  2016: 231 Forecast persons aged 50-54,  2016: 231 Forecast persons aged 45-49,  2016: 223 Forecast persons aged 40-44,  2016: 237 Forecast persons aged 35-39,  2016: 163 Forecast persons aged 30-34,  2016: 167 Forecast persons aged 25-29,  2016: 123 Forecast persons aged 20-24,  2016: 165 Forecast persons aged 15-19,  2016: 192 Forecast persons aged 10-14,  2016: 165 Forecast persons aged 5-9,  2016: 174 Forecast persons aged 0-4,  2016: 151
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: 42 Forecast persons aged 80-84,  2026 to 2036: 46 Forecast persons aged 75-79,  2026 to 2036: 41 Forecast persons aged 70-74,  2026 to 2036: 14 Forecast persons aged 65-69,  2026 to 2036: 5 Forecast persons aged 60-64,  2026 to 2036: 6 Forecast persons aged 55-59,  2026 to 2036: 1 Forecast persons aged 50-54,  2026 to 2036: 17 Forecast persons aged 45-49,  2026 to 2036: 58 Forecast persons aged 40-44,  2026 to 2036: 55 Forecast persons aged 35-39,  2026 to 2036: 59 Forecast persons aged 30-34,  2026 to 2036: 39 Forecast persons aged 25-29,  2026 to 2036: 31 Forecast persons aged 20-24,  2026 to 2036: 36 Forecast persons aged 15-19,  2026 to 2036: 39 Forecast persons aged 10-14,  2026 to 2036: 44 Forecast persons aged 5-9,  2026 to 2036: 38 Forecast persons aged 0-4,  2026 to 2036: 38 Forecast persons aged 85+,  2016 to 2026: 61 Forecast persons aged 80-84,  2016 to 2026: 14 Forecast persons aged 75-79,  2016 to 2026: 30 Forecast persons aged 70-74,  2016 to 2026: 69 Forecast persons aged 65-69,  2016 to 2026: 46 Forecast persons aged 60-64,  2016 to 2026: -4 Forecast persons aged 55-59,  2016 to 2026: -21 Forecast persons aged 50-54,  2016 to 2026: -20 Forecast persons aged 45-49,  2016 to 2026: -35 Forecast persons aged 40-44,  2016 to 2026: -6 Forecast persons aged 35-39,  2016 to 2026: 51 Forecast persons aged 30-34,  2016 to 2026: 37 Forecast persons aged 25-29,  2016 to 2026: 66 Forecast persons aged 20-24,  2016 to 2026: 14 Forecast persons aged 15-19,  2016 to 2026: 14 Forecast persons aged 10-14,  2016 to 2026: 23 Forecast persons aged 5-9,  2016 to 2026: 16 Forecast persons aged 0-4,  2016 to 2026: 35
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 Port Noarlunga was ages 40 to 44, which accounted for 7.8% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages 70 to 74, which is expected to increase by 69 and account for 5.6% of the total persons.

The largest 5 year age group in 2026 is 40 to 44 years, with a total of 231 persons.

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