Southern Moreton Bay Islands · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Rapid growth is the main story for Southern Moreton Bay Islands, where the population has jumped by 22.1% since 2021. Despite this surge, the area faces significant challenges with a lack of money and education compared to other regions.
All statistical area 2 (sa2) areas, 2021. The marker is Southern Moreton Bay Islands — lower than 99% of areas.
| Southern Moreton Bay Islands | 1 |
|---|---|
| 4184, QLD | 1 |
SEIFA indexes ranking relative advantage and disadvantage.
The typical resident here has much less access to money and job skills than most people across the country. With an overall advantage score of 833, the area is among the most disadvantaged at its level.
1
Lower 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.
1
Lower 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.
1
Lower 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.
1
Lower 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.
833
Lower than 99% 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.
Growth has been very fast, with the population increasing by 22.1% since 2021. This is far above the Queensland figure of 8.7%.
10,466
Higher than 50% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
22.1%
Higher than 91% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 396 businesses operating here, which is fewer than about 81% of similar areas.
396
Lower than 81% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Southern Moreton Bay Islands [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/301021551/southern-moreton-bay-islands/topic/economy-advantage
