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Cairns: population and official figures

In depth

What is the population of Cairns?

The Cairns Region had an estimated 179,334 residents on 30 June 2025 (ABS preliminary estimate), 10th lowest of 31 areas covered on this site. Boundary: the Cairns Region local government area (the council area), not the wider urban region around it.

Source: Australian Bureau of Statistics · saved copy

Is the population of Cairns growing?

The population of the Cairns Region grew by 1,761 people (1.0%) in the year to 30 June 2025, from 177,573 to 179,334; Australia as a whole grew 1.5%.

Source: Australian Bureau of Statistics · saved copy

How fast has the population of Cairns grown in the last five years?

Between 30 June 2020 and 30 June 2025 the estimated population of the Cairns Region rose 6.3%, from 168,710 to 179,334, compared with 7.7% for Australia.

Source: Australian Bureau of Statistics · saved copy

How many people moved to Cairns in 2024-25?

In the year to 30 June 2025 the Cairns Region had net overseas migration of +1,859 people and net internal (within Australia) migration of -741 people.

Source: Australian Bureau of Statistics · saved copy

What is the population density of Cairns?

The Cairns Region covers 1,689 square kilometres, so its 2025 population works out at about 106 people per square kilometre.

Source: Australian Bureau of Statistics · saved copy

What is the median age in Cairns?

The median age of residents of the Cairns Region was 39.5 years in 2024, above the national figure (38.3 years).

Source: Australian Bureau of Statistics · saved copy

How many households are there in Cairns?

The 2021 Census counted 60,318 households in the Cairns Region, with an average of 2.5 people per household.

Source: Australian Bureau of Statistics · saved copy

How many people in Cairns were born overseas?

At the 2021 Census 22.3% of residents of the Cairns Region were born overseas, below the national figure (27.6%), and 14.1% spoke a language other than English at home, below the national figure (22.3%).

Source: Australian Bureau of Statistics · saved copy

What share of Cairns is Aboriginal or Torres Strait Islander?

9.7% of residents of the Cairns Region identified as Aboriginal and/or Torres Strait Islander at the 2021 Census, above the national figure (3.2%); 2nd highest of 31 areas for this share.

Source: Australian Bureau of Statistics · saved copy

Who runs Cairns?

In Australia, cities and towns are run by local governments: Councillors elected (methods vary by state; voting compulsory in some states); mayors directly elected in some places and chosen by councillors in others. Local roads, planning approvals, waste, libraries, parks, rates (property tax).

How local power works in Australia

Cities of a similar size in Australia

Up a level: all cities in Australia · Australia · government and power

Sources

Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.