Warragamba - Silverdale · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A population jump of 24.5% since 2021 puts Warragamba - Silverdale far ahead of the New South Wales growth rate. This is a relatively advantaged area where people have very strong access to money and resources, though overall advantage is more moderate compared to other regions.
All statistical area 2 (sa2) areas, 2021. The marker is Warragamba - Silverdale — higher than 64% of areas.
| Warragamba - Silverdale | 7 |
|---|---|
| 2752, NSW | 8 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents score a top mark of 10 for access to money and resources, which is among the highest levels seen. However, the area is less skilled than about 70% of similar places, and its overall advantage score of 1,024 is slightly above the national average.
7
Higher than 64% 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.
7
Higher than 64% 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.
3
Lower than 71% 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.
1,024
Higher than 61% 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 24.5% since the last census, a figure that is far above the New South Wales rate of 6.1%. This growth is among the highest for similar areas, bringing the total population to 7,544.
7,544
Lower than 65% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
24.5%
Higher than 92% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 652 businesses operating in the area, which is a smaller number than about 65% of similar regions.
652
Lower than 66% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Warragamba - Silverdale [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/124031465/warragamba-silverdale/topic/economy-advantage
