Millbrook (SA), SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Millbrook (SA) is more socio-economically advantaged than about 84% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1052, 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.
Millbrook (SA) at a glance
- Population (2021)
- 133
- Median age
- 50
- Median weekly household income
- $1,031
- SEIFA score
- 1052
- Coordinates
- -34.8216, 138.8070
Millbrook (SA) demographics (2021 Census)
The figures below profile Millbrook (SA) 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 41%, 17% of homes are rented, and 17% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 14 | 11% |
| Youth (15–24) | 19 | 15% |
| Young adults (25–44) | 22 | 17% |
| Mid-life (45–64) | 53 | 41% |
| Seniors (65+) | 22 | 17% |
Share of the 130 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 29 | 60% |
| Owned with a mortgage | 11 | 23% |
| Rented | 8 | 17% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 30 | 68% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 44 occupied private dwellings in Millbrook (SA).
- Median weekly rent
- $250
- Median monthly mortgage
- $2,492
- Average household size
- 2.3 people
- Median weekly family income
- $2,249
- Median weekly personal income
- $667
Community and culture
- Born overseas
- 19 (17%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 56 (50%)
- Labour-force participation
- 58.1%
- Unemployment rate
- 7.4%
- Employed full-time
- 41
- Employed part-time
- 23
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.
Weather and climate in Millbrook (SA)
Based on 2014–2023 records, the warmest month in Millbrook (SA) is January (average daytime high around 28.9°C) and the coolest is July (around 13°C). The area receives roughly 850 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.9°C | 16.1°C | 31 mm |
| Feb | 27.5°C | 15.4°C | 28 mm |
| Mar | 25.2°C | 14.3°C | 23 mm |
| Apr | 21.2°C | 12°C | 55 mm |
| May | 16.4°C | 9.4°C | 90 mm |
| Jun | 13.7°C | 7.3°C | 112 mm |
| Jul | 13°C | 6.4°C | 132 mm |
| Aug | 13.8°C | 6.6°C | 141 mm |
| Sep | 16.6°C | 8°C | 87 mm |
| Oct | 20.6°C | 10.1°C | 63 mm |
| Nov | 23°C | 11.7°C | 58 mm |
| Dec | 26.5°C | 13.9°C | 30 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Millbrook (SA)
Where is Millbrook (SA)?
Millbrook (SA) is a suburb of South Australia, Australia.
What is the population of Millbrook (SA)?
At the 2021 Census, Millbrook (SA) had a population of about 133.
Is Millbrook (SA) an advantaged area?
Millbrook (SA) has an ABS SEIFA score of 1052, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 84 out of 100 — more socio-economically advantaged than about 84% of Australian suburbs.
What is the weather like in Millbrook (SA)?
Millbrook (SA) has average daytime highs of about 20.5°C and overnight lows of about 10.9°C, with roughly 850 mm of rain across the year (based on 2014–2023 climate normals).
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