Baulkham Hills (West) - Bella Vista · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A 7% population increase since 2021 has helped Baulkham Hills (West) - Bella Vista grow into a highly prosperous area. It is now among the most advantaged places in the country, with a typical advantage score of 1,140.
All statistical area 2 (sa2) areas, 2021. The marker is Baulkham Hills (West) - Bella Vista — higher than 99% of areas.
| Baulkham Hills (West) - Bella Vista | 10 |
|---|---|
| 2153, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here have a huge amount of money and resources, ranking 10 out of 10 for overall advantage. This is supported by high levels of education and job skills, which are 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.
1,140
Higher than 95% 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 to 23,336 people. This 7% increase since 2021 is higher than most areas and slightly above the New South Wales figure of 6.1%.
23,336
Higher than 89% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
7.0%
Higher than 69% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
The area is a major hub for employment, with 6,436 businesses, placing it among the largest for business counts at this level.
6,436
Higher than 87% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Baulkham Hills (West) - Bella Vista [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011291/baulkham-hills-bella-vista/topic/economy-advantage
