North Rocks · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A top-tier advantage score of 1,120 makes North Rocks one of the most affluent areas in the country. Residents here enjoy exceptional access to money and high-level job skills, placing the suburb among the most advantaged across Australia.
All statistical area 2 (sa2) areas, 2021. The marker is North Rocks — higher than 99% of areas.
| North Rocks | 10 |
|---|---|
| 2151, NSW | 9 |
SEIFA indexes ranking relative advantage and disadvantage.
This area ranks at the very top for overall advantage and has very little disadvantage. High levels of education and job skills support this standing, with a score of 9 out of 10 for skills being better than about 90% of similar areas.
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.
10
Higher than 99% 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.
1,120
Higher than 91% 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 3.5% since 2021, which is around the middle for its level. This increase is a little below the New South Wales figure of 6.1%.
8,764
Lower than 59% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
3.5%
Lower than 60% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 1,136 businesses operating in the area, which is more than about 63% of similar places.
1,136
Higher than 62% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in North Rocks [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/125041490/north-rocks/topic/economy-advantage
