Gordon - Killara · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Top scores for overall advantage place Gordon - Killara among the most affluent areas in the country. This region is defined by an exceptional level of wealth and professional skill, with a typical advantage score of 1,150 that is among the highest in Australia.
All statistical area 2 (sa2) areas, 2021. The marker is Gordon - Killara — higher than 99% of areas.
| Gordon - Killara | 10 |
|---|---|
| 2071, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents have some of the highest levels of education and job skills in the nation, scoring a perfect 10. This is consistent with the area's top-tier access to money and resources.
10
Higher than 99% 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.
10
Higher than 99% 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.
10
Higher than 99% 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.
1,150
Higher than 98% 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 by 5.3% since 2021. This is about the same as the New South Wales figure of 6.1%.
23,799
Higher than 89% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
5.3%
Higher than 57% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
With 3,217 businesses, this area has one of the largest business counts for its level.
3,217
Higher than 86% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Gordon - Killara [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/121031407/gordon-killara/topic/economy-advantage
