Which parts of Australia are experiencing population decline?

Population forecasting
Which parts of Australia are experiencing population decline?
Glenn  Capuano

Glenn Capuano

Customer Success Manager

Key Highlights

  • The Northern Territory saw its population shrink by 1,129 people (–0.5%), mainly driven by a decline in Darwin (–1.9%)—with the rest of the NT actually growing.
  • Several regional and remote centres showed population falls, including Kalgoorlie–Boulder (–1.7%), Greater Geraldton (–1.1%), Mount Isa (–1.5%), Port Augusta (–1.7%), and Broken Hill (–1.3%).
  • Many of the largest declines occurred in remote towns in Western Australia’s wheatbelt, such as Northampton (–4.3%), Morawa (–3.4%), and Carnarvon (–3.3%), reflecting out-migration to metropolitan areas.
  • Even Joondalup, a Perth suburb, experienced a modest decline (–0.1%) as households aged and children moved out, illustrating the suburb life cycle impacts.

In an era of almost unprecedented population change in Australia, there was one local government area in Australia that managed to maintain a stable population of exactly 92,888 people in the year to June 2019. This is just one remarkable insight from Glenn’s latest blog, which looks at the highlights from the recent Regional Population Growth figures from the ABS. In this piece, Glenn looks at the parts of the country that are experiencing population decline, and those that maintained a steady population over the last year.

These latest population figures are now in your local community profile. Instructions on how to find them here.


The annual release by the ABS of Regional Population Growth always provides a lot of interesting information. Every year we get an update on population change and exactly where that is occurring. On Monday, I wrote about the high level of growth in our capital cities, and showed the fastest and largest growth by Local Government Area in the year ended 2019. But not all areas are increasing. Let’s look at some of the areas with population decline.

Which parts of Australia are experiencing population decline?

Notably, in 2019, we had an entire territory -the Northern Territory – with a declining population, falling by 1,129 people, or 0.5% to 245,929 people.

Here are the Local Government Areas Australia-wide which had the largest declines in population from 2018 to 2019.

Local Government Area2018 pop2019 popChange% change
Darwin (NT)84,50082,8861,614-1.9%
Kalgoorlie/Boulder (WA)29,98929,469520-1.7%
Greater Geraldton (WA)38,73038,288442-1.1%
Mount Isa (Qld)18,87018,595275-1.5%
Port Augusta (SA)14,10213,862240-1.7%
Broken Hill (NSW)17,71517,479236-1.3%
Carnarvon (WA)5,3615,182179-3.3%
Joondalup (WA)159,977159,806171-0.1%
Southern Downs (Qld)35,59335,452141-0.4%
Northam (WA)11,18811,049139-1.2%

Source: ABS, Regional Population Growth, Australia, 2018-19 (3218.0)

Darwin tops the list, in fact accounting for more than 100% of the NT’s decline (meaning the rest of NT actually increased). The other areas are primarily rural and remote areas, affected by the movement of Australia’s population into cities.

Population declines in mining towns

The biggest losses are seen in larger regional centres based around mining, such as Broken Hill, Kalgoorlie and Mount Isa, or Agriculture (Southern Downs, Northam, Geraldton). Both these industries are actually becoming more productive, but employing fewer people over time. Young people, in particular, tend to leave remote towns for the cities, and this leaves an older and declining population.

Apart from Darwin, which is affected by the end of a major construction project, the only metropolitan LGA in the list is Joondalup, part of Perth. This has a different cause, with many suburbs settled in the 1980s and 1990s, having declining household sizes due to children leaving home and finding new housing elsewhere. This is a regular part of the suburb life cycle.

In percentage terms, the largest declines are some rural LGAs with very small populations. 9 of the top 10 percentage declines are in rural WA, predominantly the wheatbelt. Population sizes are small, and so relatively small changes are substantial in percentage terms. The total population decline across these 10 areas is only 561 people. The one area not in WA is Brewarrina, in north-western NSW.

Local Government Area2018 pop2019 popChange% change
Northampton (WA)3,0772,944133-4.3%
Morawa (WA)69867424-3.4%
Cue (WA)1481435-3.4%
Carnarvon (WA)5,3615,182179-3.3%
Wiluna (WA)70668422-3.1%
Three Springs (WA)59157318-3.0%
Coolgardie (WA)3,505 3,404101-2.9%
Dundas (WA)73571421-2.9%
Perenjori (WA)59658016-2.7%
Brewarrina (NSW)1,6531,61142-2.5%

Source: ABS, Regional Population Growth, Australia, 2018-19 (3218.0)

Which places have stable populations?

Finally, what about those areas that have stayed very stable over the past year? Here is a list of all the LGAs which have had no change in population, or added or lost exactly 1 person, according to the ABS estimates.

Local Government Area2018 pop2019 popChange
Bruce Rock (WA)9399401
Mount Marshall (WA)5185191
Belyuen (NT)1741751
Balranald (NSW)2,3382,3380
Carrathool (NSW)2,7992,7990
Maralinga Tjarutja (SA)64640
Canning (WA)92,88892,8880
Barcoo (Qld)267266-1
Diamantina (Qld)292291-1
Yalgoo (WA)357356-1
Menzies (WA)521520-1
Flinders Ranges (SA)1,6931,692-1
Mount Remarkable (SA)2,9102,909-1

Most of these are also small rural areas, however there is one standout. The City of Canning, in south-eastern Perth managed to stay exactly stable, with a population of 92,888 people in 2018 and no change at all in 2019. This is quite remarkable (and Mount Remarkable is almost as remarkable..) in a population that size, given the number of people who would’ve moved in and out in that time. Of course these are subject to review after the next Census and this will probably change, but for now I’m confident in naming Canning as the most stable area in Australia for the year!

Where can I find this up-to-date population data?

New Estimated Resident Population data has just been loaded into your Local Government Area’s community profile, and is available for the LGA and each suburb or district on your site. Find it in the menus under the “Population” heading.

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