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What is the Census?

The Census provides a 5 yearly snapshot of Australia’s population and households. It provides the most demographic and geographic detail of any output from the Australian Bureau of Statistics.

The Census is used to analyse trends in behaviour and provide deep understanding essential to planning for communities. Detail from the Census is also essential in forecasting population growth and change.

Key questions

We investigated some key questions for planners.

  • Where has the population grown and changed since 2016?
  • How large or small are the households we are living in, and how has that changed?
  • What types of dwellings have been built in the last 5 years and in what locations?
  • How do some of these data fit together – for example, are more families living in apartments?

Time series profiles

Select a location (State, Greater Melbourne, Regional Victoria, or Local Government Area) to show how the age profile, household size and household types have changed since 2006.

Change in total population

2006201120162021
Persons by usual residence 19,855,287 21,507,719 23,401,892 25,422,788
Rate of change p.a.   1.61 % 1.70 % 1.67 %
Median age 37 37 38 38
Average household size 2.6 2.6 2.6 2.5

Population age structure

Select an item in the legend to remove data from the chart.

Download data (CSV/330 Bytes)

Number of households by persons usually resident

Select an item in the legend to remove data from the chart.

Download data (CSV/224 Bytes)

Number of households by type

Select an item in the legend to remove data from the chart.

Download data (CSV/205 Bytes)

Page last updated: 25/10/23