We know Melbourne’s population is growing strongly in part due to interstate and overseas migration, but how dense it it?
That’s a question the population forecasters at .iD answered.
They see population density analysis as an important way of maintaining or increasing living standards which currently make many cities in Australia quality places to live in for existing residents and a desirable destination for migrants from within Australia and from abroad.
Here’s what they found:
Greater Melbourne 2011 population density (per km2) by SA1 geography
- Victoria’s sprawling capital of Melbourne may not have the largest “Greater Capital Cities Statistical Area” footprint (that award goes to Greater Brisbane with a footprint of 1,585,000ha/15,850 sq.km) but within the 998,500 hectare/9,985 sq.km footprint lies a population of 4,400,300, second only to Greater Sydney’s 4,840,600.
- It is amazing how large a part geography/topography can play in dictating the type of growth a city exhibits.
Sydney, more hilly and constrained by coastal boundaries means that central high density growth is more intense and greenfield growth is forced to occur only in areas where geography and land availability allows for this – the outer west whereas in Melbourne, geography is not as much a constraint for outer growth as is planning and strategic limitations/guidance.
By our classification, only 40% of new housing development between 2006 and 2011 was in what we called the ‘outer suburbs’ of Sydney.
This compares with a figure of 57% in Melbourne – as explained in further detail in our ebook titled “Predicting the Australian growth hot spots“.
- Inner Melbourne, although not as densely populated as Sydney, still has several areas which display anomaly-type population densities when compared to the rest of the central city.
For example, in South Melbourne and Port Melbourne – several blocks (bounded by four SA1s) consisting of mainly apartment buildings have a population of over 2,600 persons and a density of 17,860 persons per km2 – the rest of Port Melbourne, Albert Park, South Melbourne and extending southeast to Middle Park have consistently high densities of 2,800-6,500 persons per km2, a mean of 6,844 persons per km2 – similar to the population density of Rio de Janeiro in Brazil.
- A coastal population density ‘spine’ is visible on the map as it follows the shoreline of Port Phillip from the mentioned suburbs of St. Kilda, down part Beaumaris, Chelsea, Seaford eventually reaching and heading inland near Frankston.
Further south from here, Mornington is also visible as a relatively developed settlement with a population density of approximately 1,700 in the main township area – similar to the density of another seaside part of the world popular for its sand and sea – Miami, USA.
- Other inner east and southeast suburbs such as South Yarra, Prahran, Windsor, St Kilda, down to Armadale and Caufield in the south and Richmond, Abbotsford, Hawthorn and Kew in the east display similar population densities as other established parts of Melbourne – the dwelling type mix in these suburbs has changed over time from stand alone or semi attached Victorian villas, to slightly more dense townhouses and flats/apartments and nowadays to modern higher density apartment buildings, near existing transport corridors which all amount to higher population densities.
- In the Melbourne CBD as well as south of the Yarra River in Southbank and north of the CBD, in Carlton and Fitzroy, – the “spikes” of very high population densities are a result of additions of large, high-rise apartment buildings over time which in certain cases have a population of over 600 in an SA1 the size of only one apartment building (albeit a building with over 300 apartments).
Many of these high density SA1s illustrate very high increases in population (and therefore pop. density) as high-rises are built and quickly populated.
One four-building block of SA1s in Southbank has a population of 3,039 (661 ten years ago) and a population density of 161,164 persons per km2 (35,159 ten years ago, almost a five-fold increase).
- While I was writing these blogs, an article in The Age titled “A Forrest of towers: booming precinct goes from hundreds to thousands in decade” caught my attention as it discussed what I was describing here – large increases in population (as a result of high-rise apartment development) in certain parts of central Melbourne with an emphasis on the growing concern that development and growth in these areas may be outpacing the improvement of infrastructure such as public transport accessibility/capacity or footpaths.
- A few blocks of high-density developments in North Melbourne, Collingwood and West Richmond also appear on the 3D map – some resulting from high density developments from the late 1990s/early 2000s, others (e.g. North Melbourne) mid-2000s developments which have “densified” some parts of these suburbs (e.g. Carlton, Fitzroy, Collingwood) and several (some already mentioned) developments in Southbank and South Wharf, developing in the late 2000s and increasing population densities in the area.
- Most inner suburbs and middle suburbs of Melbourne illustrate similar population densities with diverse mixes of dwelling types in many LGAs.
For example the City of Moreland has an increasing proportion of high density dwelling stock as is the case in other increasingly densifying LGAs such as City of Stonnington (east of the CBD) – all increasing in dwelling and therefore population density over time with the forecasts expecting these trends to continue in the inner and middle suburbs/LGAs of Melbourne.
- As far as outer, greenfield growth areas are concerned – we can see northern pockets of population density in the Cities of Hume and Whittlesea – areas which have experienced a combined population increase of 76,472 in the 2001-2011 period. In a decade’s time, as greenfield development continues in these LGAs – the combined population growth for the Cities of Hume and Whittlesea is forecast to be 132,190, a change in population distribution patterns that will be clearly reflected on maps such as these.
- In the east, the can currently be seen on the map (far east of the map).
It is expected to continue to grow at a steady average annual rate of 2.41% out to 2041 (almost doubling in population from 2011 to 2041).
Even further east, the Cardinia Shire will change the landscape of Melbourne’s population density even more with continuing greenfield development and land availability resulting in large population increases.
- In the west, the existing areas of mixed population densities such as Brimbank, Maribyrnong and Moonee Valley will in the future extend out towards Melton as greenfield development towards the west increases and along with the existing growth in the City of Wyndham (southwest section on the map), these areas will become the largest growth fronts of urban sprawl and greenfield development in Greater Melbourne.
Source: iD The Population Experts
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