Asquith - Mount Colah · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
High levels of wealth and education shape daily life in Asquith - Mount Colah, where a typical advantage score of 1,107 is larger than about 89% of similar areas. This is a prosperous community with strong access to money and job skills. The area has also seen steady growth, with the population rising by 6.2% since 2021.
All statistical area 2 (sa2) areas, 2021. The marker is Asquith - Mount Colah — higher than 86% of areas.
| Asquith - Mount Colah | 9 |
|---|---|
| 2079, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here enjoy significant socio-economic advantages, scoring a 9 out of 10 for both overall advantage and access to education and job skills. These figures are larger than about 90% of similar areas.
9
Higher than 86% of statistical area 2 (sa2) 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.
9
Higher than 86% of statistical area 2 (sa2) 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.
9
Higher than 86% of statistical area 2 (sa2) 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.
9
Higher than 86% of statistical area 2 (sa2) 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 88% of statistical area 2 (sa2) 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 to 23,527 people, making it one of the largest areas at this level. This 6.2% increase since 2021 is higher than most areas and about the same as the New South Wales figure.
23,527
Higher than 89% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
6.2%
Higher than 63% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
Local economic activity is strong, with 1,810 businesses operating in the area. This is larger than about 84% of similar areas.
1,810
Higher than 84% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Asquith - Mount Colah [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/121021403/asquith-mount-colah/topic/economy-advantage
