Ku-ring-gai · Council (LGA)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A top score of 10 for overall advantage makes Ku-ring-gai one of the most prosperous areas in the country. Residents here benefit from exceptional access to money, resources, and high-level job skills, placing the area among the most advantaged in Australia.
All council (lga) areas, 2021. The marker is Ku-ring-gai — higher than 99% of areas.
SEIFA indexes ranking relative advantage and disadvantage.
The area ranks at the highest possible level for education and financial resources, with an overall advantage score of 1,165, which is much higher than the national average.
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.
1,165
Higher than 99% 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.
Ku-ring-gai has a population of 128,542, though its growth of 3.1% since 2021 is well below the New South Wales figure of 6.1%.
128,542
Higher than 86% of council (lga) areas.
Estimated resident population (ABS), 2025.
3.1%
Lower than 56% of council (lga) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 15,509 businesses operating here, and with 544 new dwellings approved, building activity is higher than in about 84% of similar areas.
15,509
Higher than 86% of council (lga) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
544
Higher than 82% of council (lga) areas.
Dwelling units approved in 2024-25 (ABS Building Approvals).
Australian Bureau of Statistics. (2021). Economy & Advantage in Ku-ring-gai [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA14500/ku-ring-gai/topic/economy-advantage
