Lewiston, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
Lewiston is more socio-economically advantaged than about 35% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 962, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Lewiston at a glance
- Population (2021)
- 3,275
- Median age
- 42
- Median weekly household income
- $1,910
- SEIFA score
- 962
- Coordinates
- -34.6094, 138.5928
Lewiston demographics (2021 Census)
The figures below profile Lewiston using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is mid-life (45–64) at 35%, 6% of homes are rented, and 16% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 576 | 18% |
| Youth (15–24) | 442 | 13% |
| Young adults (25–44) | 710 | 22% |
| Mid-life (45–64) | 1,144 | 35% |
| Seniors (65+) | 406 | 12% |
Share of the 3,278 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 304 | 28% |
| Owned with a mortgage | 702 | 64% |
| Rented | 67 | 6% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,092 | 99% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 4 | 0% |
Tenure and dwelling shares are of the roughly 1,102 occupied private dwellings in Lewiston.
- Median weekly rent
- $330
- Median monthly mortgage
- $1,690
- Average household size
- 2.9 people
- Median weekly family income
- $2,074
- Median weekly personal income
- $766
Community and culture
- Born overseas
- 493 (16%)
- Speaks a language other than English at home
- 155 (5%)
- Aboriginal and/or Torres Strait Islander
- 61 (2%)
Work and education
- Completed Year 12
- 1,079 (42%)
- Labour-force participation
- 66.5%
- Unemployment rate
- 3.8%
- Employed full-time
- 1,048
- Employed part-time
- 577
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Common questions about Lewiston
Where is Lewiston?
Lewiston is a suburb of South Australia, Australia.
What is the population of Lewiston?
At the 2021 Census, Lewiston had a population of about 3,275.
Is Lewiston an advantaged area?
Lewiston has an ABS SEIFA score of 962, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 35 out of 100 — more socio-economically advantaged than about 35% of Australian suburbs.
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