Shire of Serpentine JarrahdalePopulation 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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Shire of Serpentine-Jarrahdale

Population, households and dwellings

The number of dwellings in the Shire of Serpentine-Jarrahdale is forecast to grow from 9,730 in 2016 to 20,490 in 2031, with the average household size falling from 2.95 to 2.93 by 2031.

This summary shows the results of the forecasts for population, households and dwellings in the Shire of Serpentine-Jarrahdale. 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
Shire of Serpentine-JarrahdaleForecast year
Summary20162021202620312036
Population27,65436,40346,99557,78568,335
Change in population (5yrs)--8,74910,59210,79010,551
Average annual change--5.65%5.24%4.22%3.41%
Households9,22112,14115,75719,50023,313
Average household size2.952.962.952.932.90
Population in non private dwellings425472519569637
Dwellings9,73012,79416,56820,49024,490
Dwelling occupancy rate94.7794.9095.1195.1795.19

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

Forecast population, households and average household size
Forecast population, households and average household size 2036 Average household size: 2.90 2035 Average household size: 2.91 2034 Average household size: 2.91 2033 Average household size: 2.92 2032 Average household size: 2.93 2031 Average household size: 2.93 2030 Average household size: 2.94 2029 Average household size: 2.94 2028 Average household size: 2.94 2027 Average household size: 2.95 2026 Average household size: 2.95 2025 Average household size: 2.95 2024 Average household size: 2.95 2023 Average household size: 2.95 2022 Average household size: 2.96 2021 Average household size: 2.96 2020 Average household size: 2.96 2019 Average household size: 2.96 2018 Average household size: 2.96 2017 Average household size: 2.96 2016 Average household size: 2.95 2036 Average household size: 2.90 2035 Average household size: 2.91 2034 Average household size: 2.91 2033 Average household size: 2.92 2032 Average household size: 2.93 2031 Average household size: 2.93 2030 Average household size: 2.94 2029 Average household size: 2.94 2028 Average household size: 2.94 2027 Average household size: 2.95 2026 Average household size: 2.95 2025 Average household size: 2.95 2024 Average household size: 2.95 2023 Average household size: 2.95 2022 Average household size: 2.96 2021 Average household size: 2.96 2020 Average household size: 2.96 2019 Average household size: 2.96 2018 Average household size: 2.96 2017 Average household size: 2.96 2036 Households: 23,310 2035 Households: 22,536 2034 Households: 21,773 2033 Households: 21,019 2032 Households: 20,253 2031 Households: 19,501 2030 Households: 18,745 2029 Households: 18,004 2028 Households: 17,251 2027 Households: 16,511 2026 Households: 15,756 2025 Households: 15,010 2024 Households: 14,256 2023 Households: 13,516 2022 Households: 12,799 2021 Households: 12,143 2020 Households: 11,500 2019 Households: 10,913 2018 Households: 10,345 2017 Households: 9,777 2016 Households: 9,219 2036 Total population: 68,335 2035 Total population: 66,206 2034 Total population: 64,036 2033 Total population: 61,948 2032 Total population: 59,847 2031 Total population: 57,785 2030 Total population: 55,632 2029 Total population: 53,456 2028 Total population: 51,293 2027 Total population: 49,170 2026 Total population: 46,995 2025 Total population: 44,833 2024 Total population: 42,586 2023 Total population: 40,403 2022 Total population: 38,316 2021 Total population: 36,403 2020 Total population: 34,523 2019 Total population: 32,711 2018 Total population: 31,039 2017 Total population: 29,337 2016 Total population: 27,654
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, November 2017.

Key findings

In 2016, the total population of the Shire of Serpentine-Jarrahdale was estimated to be 27,654 people. It is expected to increase by over 30,100 people to 57,785 by 2031, at an average annual growth rate of 7.65%. This is based on an increase of over 10,200 households during the period, with the average number of persons per household falling from 2.95 to 2.93 by 2031.

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