idc-logo
svg rectangle color
Wollondilly Shire CouncilPopulation forecast

Wallacia - Warragamba - Silverdale

Population, households and dwellings

The number of dwellings in Wallacia - Warragamba - Silverdale is forecast to grow from 2,024 in 2021 to 2,705 in 2041, with the average household size falling from 3.12 to 3.01 by 2041.

This summary shows the results of the forecasts for population, households and dwellings in Wollondilly Shire Council. The period 2021 to 2031, 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
Wallacia - Warragamba - SilverdaleForecast year
Summary20212026203120362041
Population6,0536,3116,8287,4497,838
Change in population (5yrs)--258517621390
Average annual change--0.84%1.59%1.76%1.02%
Households1,9392,0632,2452,4522,600
Average household size3.123.053.043.033.01
Population in non private dwellings1111111111
Dwellings2,0242,1512,3392,5552,705
Dwelling occupancy rate95.8095.9195.9895.9796.12
Source: Population and household forecasts, 2021 to 2041, prepared by .id (informed decisions), February 2023.

Key findings

In 2021, the total population of Wallacia - Warragamba - Silverdale was estimated to be 6,053 people. It is expected to increase by over 775 people to 6,828 by 2031, at an average annual growth rate of 1.21%. This is based on an increase of over 306 households during the period, with the average number of persons per household falling from 3.12 to 3.04 by 2031.

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices.

ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at www.abs.gov.au. ABS data can be used under license - terms published on ABS website. intermediary.management@abs.gov.au if you have any queries or wish to distribute any ABS data.