Australia Population

How Australians are spread across the country: population by state, age, density and the most populated areas, from the 2021 Census.

Total population: 25.4M
Median age: 45
People per km²: 3.7
States and territories: 9

Valid: Census 2021 · Source: ABS Census of Population and Housing, 2021, 14,663 areas

Population by state

How Australia's population is distributed across states and territories. For each state's growth since 2015 and the capital cities, see Australian population by state and city.

Population by state Valid: Census 2021 · Source: ABS Census of Population and Housing

State	Population	Median age	Density	Suburbs and localities	Male / female
New South Wales	8,072,118	45.7	10.5/km²	4348	49% / 51%
Victoria	6,503,500	46.4	30.5/km²	2837	49% / 51%
Queensland	5,156,239	44.4	3.2/km²	3112	49% / 51%
Western Australia	2,660,111	43.8	1.3/km²	1596	50% / 50%
South Australia	1,781,649	45.5	2.2/km²	1626	49% / 51%
Tasmania	557,693	47	11.4/km²	735	49% / 51%
Australian Capital Territory	454,464	37.7	362.9/km²	128	49% / 51%
Northern Territory	232,575	34.8	0.2/km²	275	51% / 49%
Other Territories	4,796	42.2	18.8/km²	6	53% / 47%

Ten most populous suburbs

The largest suburbs and localities by population at the 2021 Census.

#	Suburb	State	Population	Median Age
1	Point Cook	Victoria	66,781	33
2	Craigieburn	Victoria	65,178	32
3	Tarneit	Victoria	56,370	30
4	Melbourne	Victoria	54,941	29
5	Pakenham	Victoria	54,118	33
6	Reservoir (Vic.)	Victoria	51,096	38
7	Blacktown	New South Wales	50,961	34
8	Berwick	Victoria	50,298	38
9	Werribee	Victoria	50,027	35
10	Port Macquarie	New South Wales	47,693	48

Browse all suburbs

National snapshot

Sex, median age and land area, from the 2021 Census.

Male: 12,544,933; 49.3%
Female: 12,877,112; 50.7%
Median age: 45
Total area, km²: 6.8M

Valid: Census 2021 · Source: ABS Census of Population and Housing

Data sources

ABS Census of Population and Housing, 2021

Population, age, sex and area data for 14,663 areas across Australia.

ABS Census

SA2 Statistical Areas

SA2 regions represent functional areas that share social and economic interactions. Each typically has a population of 3,000 to 25,000.