O'Malley, ACT
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
O'Malley is more socio-economically advantaged than about 99% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1169, 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.
O'Malley at a glance
- Population (2021)
- 928
- Median age
- 51
- Median weekly household income
- $4,476
- SEIFA score
- 1169
- Coordinates
- -35.3537, 149.1128
O'Malley demographics (2021 Census)
The figures below profile O'Malley 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 31%, 10% of homes are rented, and 45% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 124 | 13% |
| Youth (15–24) | 121 | 13% |
| Young adults (25–44) | 132 | 14% |
| Mid-life (45–64) | 291 | 31% |
| Seniors (65+) | 264 | 28% |
Share of the 932 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 182 | 56% |
| Owned with a mortgage | 95 | 29% |
| Rented | 33 | 10% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 307 | 97% |
| Townhouses & semis | 5 | 2% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 316 occupied private dwellings in O'Malley.
- Median weekly rent
- $975
- Median monthly mortgage
- $3,413
- Average household size
- 2.9 people
- Median weekly family income
- $4,567
- Median weekly personal income
- $1,497
Community and culture
- Born overseas
- 405 (45%)
- Speaks a language other than English at home
- 401 (45%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 620 (81%)
- Labour-force participation
- 61.4%
- Unemployment rate
- 2.4%
- Employed full-time
- 311
- Employed part-time
- 146
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 O'Malley
Based on 2014–2023 records, the warmest month in O'Malley is January (average daytime high around 27.8°C) and the coolest is July (around 10.6°C). The area receives roughly 800 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.8°C | 14.5°C | 76 mm |
| Feb | 26.1°C | 13.5°C | 59 mm |
| Mar | 23.2°C | 11.8°C | 73 mm |
| Apr | 19.1°C | 7.9°C | 54 mm |
| May | 14.4°C | 3.3°C | 46 mm |
| Jun | 11.2°C | 1.5°C | 62 mm |
| Jul | 10.6°C | 0.7°C | 43 mm |
| Aug | 11.9°C | 0.9°C | 67 mm |
| Sep | 15.6°C | 3.2°C | 63 mm |
| Oct | 19.4°C | 6.7°C | 76 mm |
| Nov | 22.2°C | 9.5°C | 94 mm |
| Dec | 25.4°C | 12.2°C | 87 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about O'Malley
Where is O'Malley?
O'Malley is a suburb of Australian Capital Territory, Australia.
What is the population of O'Malley?
At the 2021 Census, O'Malley had a population of about 928.
Is O'Malley an advantaged area?
O'Malley has an ABS SEIFA score of 1169, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 99 out of 100 — more socio-economically advantaged than about 99% of Australian suburbs.
What is the weather like in O'Malley?
O'Malley has average daytime highs of about 18.9°C and overnight lows of about 7.1°C, with roughly 800 mm of rain across the year (based on 2014–2023 climate normals).
Where O'Malley ranks
O'Malley appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
Nearby suburbs in Australian Capital Territory
More suburb guides in Australian Capital Territory
Other hand-written, cited guides — browse all guides.