Rockbank - Mount Cottrell · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A massive 100.3% population jump since 2021 sets Rockbank - Mount Cottrell apart from the rest of Victoria. This rapid expansion is paired with a strong economic standing, as residents generally have better access to money and resources than most people across the country.
All statistical area 2 (sa2) areas, 2021. The marker is Rockbank - Mount Cottrell — higher than 64% of areas.
| Rockbank - Mount Cottrell | 7 |
|---|---|
| 3029, VIC | 6 |
SEIFA indexes ranking relative advantage and disadvantage.
The area is well-off, with an overall advantage score of 1,029, which is higher than about 63% of similar places. This is supported by strong results in education and job skills, as well as a high level of access to money and resources.
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.
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.
7
Higher than 64% 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.
1,029
Higher than 63% 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 surged to 35,856 people, marking it as one of the largest areas of its kind. This growth is far above the Victorian average, with a 100.3% increase compared to the state's 8.0% rise.
35,856
Higher than 97% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
100.3%
Higher than 99% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
Business activity is high in the area, with 4,531 businesses operating across the region, placing it among the largest for this measure.
4,531
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 Rockbank - Mount Cottrell [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/213041359/rockbank-mount-cottrell/topic/economy-advantage
