City of OnkaparingaPopulation forecast
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This forecast has been updated with 2016 Census dwelling counts and the 2016 Estimated Resident Population. More information can be found here.

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City of Onkaparinga

Population, households and dwellings

The number of dwellings in the City of Onkaparinga is forecast to grow from 72,478 in 2016 to 87,027 in 2031, with the average household size falling from 2.46 to 2.44 by 2031.

This summary shows the results of the forecasts for population, households and dwellings in the City of Onkaparinga. The period 2016 to 2026, as the short to medium term, is likely to be the most accurate and useful forecast information for immediate planning purposes.

It is important to look at the relationship between population and average household size. If the average household size is falling, then there will need to be growth in the number of households (and dwellings for them to live in) to maintain or grow the population.

Forecast population, households and dwellings
City of OnkaparingaForecast year
Summary20162021202620312036
Population169,073179,249190,844202,658212,372
Change in population (5yrs)--10,17611,59511,8139,714
Average annual change--1.18%1.26%1.21%0.94%
Households67,98272,20677,09682,08186,236
Average household size2.462.452.452.442.43
Population in non private dwellings1,6622,0122,2622,5122,637
Dwellings72,47876,80781,89987,02791,307
Dwelling occupancy rate93.8094.0194.1494.3294.45

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

Forecast population, households and average household size
Forecast population, households and average household size 2036 Average household size: 2.43 2035 Average household size: 2.43 2034 Average household size: 2.43 2033 Average household size: 2.43 2032 Average household size: 2.44 2031 Average household size: 2.44 2030 Average household size: 2.44 2029 Average household size: 2.44 2028 Average household size: 2.44 2027 Average household size: 2.44 2026 Average household size: 2.45 2025 Average household size: 2.45 2024 Average household size: 2.45 2023 Average household size: 2.45 2022 Average household size: 2.45 2021 Average household size: 2.45 2020 Average household size: 2.46 2019 Average household size: 2.46 2018 Average household size: 2.46 2017 Average household size: 2.46 2016 Average household size: 2.46 2036 Average household size: 2.43 2035 Average household size: 2.43 2034 Average household size: 2.43 2033 Average household size: 2.43 2032 Average household size: 2.44 2031 Average household size: 2.44 2030 Average household size: 2.44 2029 Average household size: 2.44 2028 Average household size: 2.44 2027 Average household size: 2.44 2026 Average household size: 2.45 2025 Average household size: 2.45 2024 Average household size: 2.45 2023 Average household size: 2.45 2022 Average household size: 2.45 2021 Average household size: 2.45 2020 Average household size: 2.46 2019 Average household size: 2.46 2018 Average household size: 2.46 2017 Average household size: 2.46 2036 Households: 86,236 2035 Households: 85,483 2034 Households: 84,731 2033 Households: 83,940 2032 Households: 83,029 2031 Households: 82,076 2030 Households: 81,123 2029 Households: 80,126 2028 Households: 79,121 2027 Households: 78,090 2026 Households: 77,101 2025 Households: 76,145 2024 Households: 75,178 2023 Households: 74,180 2022 Households: 73,199 2021 Households: 72,206 2020 Households: 71,279 2019 Households: 70,330 2018 Households: 69,452 2017 Households: 68,583 2016 Households: 67,983 2036 Total population: 212,372 2035 Total population: 210,605 2034 Total population: 208,737 2033 Total population: 206,902 2032 Total population: 204,812 2031 Total population: 202,658 2030 Total population: 200,471 2029 Total population: 197,948 2028 Total population: 195,586 2027 Total population: 193,181 2026 Total population: 190,844 2025 Total population: 188,646 2024 Total population: 186,126 2023 Total population: 183,856 2022 Total population: 181,554 2021 Total population: 179,249 2020 Total population: 177,132 2019 Total population: 174,677 2018 Total population: 172,694 2017 Total population: 170,694 2016 Total population: 169,073
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, October 2017.

Key findings

In 2016, the total population of the City of Onkaparinga was estimated to be 169,073 people. It is expected to increase by over 33,500 people to 202,658 by 2031, at an average annual growth rate of 1.83%. This is based on an increase of over 14,000 households during the period, with the average number of persons per household falling from 2.46 to 2.44 by 2031.

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