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City of GosnellsPopulation forecast

Thornlie (Central)

Population, households and dwellings

The number of dwellings in Thornlie (Central) is forecast to grow from 4,165 in 2016 to 4,354 in 2031, with the average household size falling from 2.75 to 2.71 by 2031.

This summary shows the results of the forecasts for population, households and dwellings in Thornlie (Central). 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
Thornlie (Central)Forecast year
Summary20162021202620312036
Population10,89811,10111,07111,22211,394
Change in population (5yrs)--203-29151172
Average annual change--0.37%-0.05%0.27%0.30%
Households3,9614,0104,0694,1414,213
Average household size2.752.772.722.712.70
Population in non private dwellings00000
Dwellings4,1654,2174,2794,3544,429
Dwelling occupancy rate95.1095.0995.0995.1195.12
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, April 2018.

Key findings

In 2016, the total population of Thornlie (Central) was estimated to be 10,898 people. It is expected to increase by over 324 people to 11,222 by 2026, at an average annual growth rate of 0.29%. This is based on an increase of over 180 households during the period, with the average number of persons per household falling from 2.75 to 2.71 by 2026.

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