Willoughby · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Among the most prosperous areas in the country, Willoughby ranks in the top 10% for overall socio-economic advantage. This high standing is driven by an exceptional level of education and job skills. Residents here enjoy a level of financial security and resources far beyond the national typical experience.
All statistical area 2 (sa2) areas, 2021. The marker is Willoughby — higher than 99% of areas.
| Willoughby | 10 |
|---|---|
| 2068, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Overall advantage in Willoughby is among the highest in the nation, with a score of 1,147. This high status is matched by top-tier marks for education and access to money.
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.
1,147
Higher than 97% 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 grew by 5.7% since 2021, which is higher than most similar areas and about the same as the New South Wales figure of 6.1%.
13,771
Higher than 66% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
5.7%
Higher than 60% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
With 1,505 businesses, Willoughby has a larger commercial presence than about 77% of areas at this level.
1,505
Higher than 76% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Willoughby [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/121011687/willoughby/topic/economy-advantage
