Wonthaggi - Inverloch · 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 9.7% since 2021 marks a period of rapid growth for Wonthaggi - Inverloch. While it is now one of the largest areas at this level with 29,333 people, overall advantage remains lower than most similar regions.
All statistical area 2 (sa2) areas, 2021. The marker is Wonthaggi - Inverloch — lower than 64% of areas.
| Wonthaggi - Inverloch | 4 |
|---|---|
| 3992, VIC | 4 |
SEIFA indexes ranking relative advantage and disadvantage.
The area ranks in the lower range for overall advantage, with a score of 950 that is smaller than about 70% of similar areas. Residents generally have lower levels of education and job skills compared to most other areas.
4
Lower 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.
4
Lower 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.
5
Lower than 57% 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.
4
Lower 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.
950
Lower than 70% 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 strong, with the population rising by 9.7% since 2021. This increase is much higher than most areas and sits a little above the Victorian figure of 8.0%.
29,333
Higher than 93% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
9.7%
Higher than 79% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 2,470 businesses operating in the area, which is among the largest number of businesses for a place of this level.
2,470
Higher than 86% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Wonthaggi - Inverloch [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/205031093/wonthaggi-inverloch/topic/economy-advantage
