Lewiston - Two Wells · 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 increase of 24.5% since 2021 has seen Lewiston - Two Wells grow far faster than the rest of South Australia. While many residents have strong access to money and resources, the area generally has lower levels of overall advantage than most other places.
All statistical area 2 (sa2) areas, 2021. The marker is Lewiston - Two Wells — lower than 64% of areas.
| Lewiston - Two Wells | 4 |
|---|---|
| 5501, SA | 4 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here often have a high level of access to money and resources, though job skills and education levels are much lower than in about 80% of similar areas. This means the typical overall advantage score of 958 is lower than the national average.
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.
5
Lower than 57% 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.
2
Lower 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.
958
Lower than 67% 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 area has seen a massive jump in residents, with growth of 24.5% since 2021. This is far above the South Australian figure of 5.6%.
8,175
Lower than 62% 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 601 businesses operating in the area, which is a smaller number than in about 68% of similar places.
601
Lower than 69% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Lewiston - Two Wells [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/402011027/lewiston-two-wells/topic/economy-advantage
