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Shire of Serpentine JarrahdalePopulation forecast

Shire of Serpentine Jarrahdale

Population, households and dwellings

The number of dwellings in Shire of Serpentine Jarrahdale is forecast to grow from 9,730 in 2016 to 24,490 in 2036, with the average household size falling from 2.95 to 2.90 by 2036.

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
Change in population (5yrs)--8,74910,59210,79010,551
Average annual change--5.65%5.24%4.22%3.41%
Average household size2.952.962.952.932.90
Population in non private dwellings425472519569637
Dwelling occupancy rate94.7794.9095.1195.1795.19
Source: Population and household forecasts, 2016 to 2036, prepared by .id (informed decisions), November 2017.

Key findings

In 2016, the total population of Shire of Serpentine Jarrahdale was estimated to be 27,654 people. It is expected to increase by over 30,131 people to 57,785 by 2026, at an average annual growth rate of 7.65%. This is based on an increase of over 10,279 households during the period, with the average number of persons per household falling from 2.95 to 2.93 by 2026.

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