Mosman Park · Council (LGA)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A population increase of 10.6% since 2021 shows Mosman Park is growing steadily. It is one of the most advantaged areas in the country, with a typical advantage score of 1,107 and the highest possible ratings for education and job skills.
All council (lga) areas, 2021. The marker is Mosman Park — higher than 99% of areas.
SEIFA indexes ranking relative advantage and disadvantage.
This area is among the most advantaged in Australia, scoring a maximum 10 for overall advantage and access to money. It also reaches the top mark of 10 for education and job skills.
10
Higher than 99% of council (lga) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the 10% most advantaged. IRSAD summarises both advantage and disadvantage, so a high score reflects relatively many high-income, well-educated households and few low-income, low-skill ones.
10
Higher than 99% of council (lga) areas.
ABS Index of Relative Socio-economic Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the least disadvantaged. IRSD focuses on disadvantage alone (low income, low education, unemployment, unskilled occupations), so a higher decile means relatively less disadvantage.
10
Higher than 99% of council (lga) areas.
ABS Index of Economic Resources, 2021, as a national decile: 1 = among the 10% lowest areas for economic resources in Australia, 10 = among the highest. IER reflects the income, housing costs, dwelling size and assets of households, so a higher decile means relatively greater economic resources.
10
Higher than 99% of council (lga) areas.
ABS Index of Education and Occupation, 2021, as a national decile: 1 = among the 10% lowest areas for education and occupation in Australia, 10 = among the highest. IEO reflects residents' qualifications and the skill level of their jobs, so a higher decile means a more highly educated and skilled workforce.
1,107
Higher than 94% of council (lga) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a raw index score (standardised so the Australian average is about 1000). Higher scores indicate relatively greater advantage; lower scores greater disadvantage.
Annual population estimates and change since the census.
The population has grown by 10.6% since 2021, which is much higher than most similar areas and about the same as the Western Australian figure.
10,482
Lower than 55% of council (lga) areas.
Estimated resident population (ABS), 2025.
10.6%
Higher than 89% of council (lga) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 1,083 businesses operating in the area. Recent growth is evident in the building sector, with 87 new dwellings approved, a figure larger than about 58% of similar areas.
1,083
Lower than 55% of council (lga) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
87
Higher than 58% of council (lga) areas.
Dwelling units approved in 2024-25 (ABS Building Approvals).
Australian Bureau of Statistics. (2021). Economy & Advantage in Mosman Park [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA55740/mosman-park/topic/economy-advantage
