Sumner, QLD
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Sumner 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.
Sumner at a glance
- Population (2021)
- 603
- Median age
- 32
- Median weekly household income
- $2,266
- SEIFA score
- 1052
- Coordinates
- -27.5649, 152.9315
Sumner demographics (2021 Census)
The figures below profile Sumner 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 young adults (25–44) at 40%, 30% of homes are rented, and 34% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 155 | 26% |
| Youth (15–24) | 59 | 10% |
| Young adults (25–44) | 239 | 40% |
| Mid-life (45–64) | 104 | 17% |
| Seniors (65+) | 41 | 7% |
Share of the 598 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 28 | 14% |
| Owned with a mortgage | 109 | 56% |
| Rented | 59 | 30% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 181 | 92% |
| Townhouses & semis | 15 | 8% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 196 occupied private dwellings in Sumner.
- Median weekly rent
- $445
- Median monthly mortgage
- $1,800
- Average household size
- 2.9 people
- Median weekly family income
- $2,407
- Median weekly personal income
- $1,002
Community and culture
- Born overseas
- 198 (34%)
- Speaks a language other than English at home
- 148 (26%)
- Aboriginal and/or Torres Strait Islander
- 8 (1%)
Work and education
- Completed Year 12
- 333 (77%)
- Labour-force participation
- 74.8%
- Unemployment rate
- 4.5%
- Employed full-time
- 217
- Employed part-time
- 76
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 Sumner
Based on 2014–2023 records, the warmest month in Sumner is January (average daytime high around 29.4°C) and the coolest is July (around 20.7°C). The area receives roughly 945 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.4°C | 20.7°C | 111 mm |
| Feb | 29.2°C | 20.6°C | 154 mm |
| Mar | 28.2°C | 19.9°C | 133 mm |
| Apr | 25.7°C | 16.6°C | 45 mm |
| May | 23.1°C | 13.7°C | 71 mm |
| Jun | 20.8°C | 11.3°C | 40 mm |
| Jul | 20.7°C | 10.1°C | 35 mm |
| Aug | 22.2°C | 10.8°C | 37 mm |
| Sep | 24.5°C | 13°C | 44 mm |
| Oct | 26.3°C | 15.7°C | 97 mm |
| Nov | 28.2°C | 17.8°C | 75 mm |
| Dec | 29.2°C | 19.7°C | 103 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Sumner
Where is Sumner?
Sumner is a suburb of Queensland, Australia.
What is the population of Sumner?
At the 2021 Census, Sumner had a population of about 603.
Is Sumner an advantaged area?
Sumner 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 Sumner?
Sumner has average daytime highs of about 25.6°C and overnight lows of about 15.8°C, with roughly 945 mm of rain across the year (based on 2014–2023 climate normals).
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