Diamond Valley, QLD
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Diamond Valley is more socio-economically advantaged than about 43% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 975, 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.
Diamond Valley at a glance
- Population (2021)
- 489
- Median age
- 50
- Median weekly household income
- $1,760
- SEIFA score
- 975
- Coordinates
- -26.7561, 152.9339
Diamond Valley demographics (2021 Census)
The figures below profile Diamond Valley 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 39%, 10% of homes are rented, and 18% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 79 | 16% |
| Youth (15–24) | 48 | 10% |
| Young adults (25–44) | 87 | 18% |
| Mid-life (45–64) | 191 | 39% |
| Seniors (65+) | 82 | 17% |
Share of the 487 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 63 | 40% |
| Owned with a mortgage | 74 | 47% |
| Rented | 16 | 10% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 160 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 160 occupied private dwellings in Diamond Valley.
- Median weekly rent
- $396
- Median monthly mortgage
- $1,950
- Average household size
- 2.7 people
- Median weekly family income
- $1,797
- Median weekly personal income
- $612
Community and culture
- Born overseas
- 84 (18%)
- Speaks a language other than English at home
- 24 (5%)
- Aboriginal and/or Torres Strait Islander
- 7 (1%)
Work and education
- Completed Year 12
- 218 (54%)
- Labour-force participation
- 52.8%
- Unemployment rate
- 1.8%
- Employed full-time
- 104
- Employed part-time
- 78
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 Diamond Valley
Based on 2014–2023 records, the warmest month in Diamond Valley is January (average daytime high around 28.4°C) and the coolest is July (around 20.4°C). The area receives roughly 1234 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.4°C | 20.9°C | 136 mm |
| Feb | 28°C | 20.8°C | 187 mm |
| Mar | 27.4°C | 20.2°C | 171 mm |
| Apr | 24.9°C | 17.2°C | 83 mm |
| May | 22.4°C | 14.3°C | 104 mm |
| Jun | 20.5°C | 12.1°C | 62 mm |
| Jul | 20.4°C | 11.2°C | 53 mm |
| Aug | 21.8°C | 11.6°C | 42 mm |
| Sep | 23.8°C | 13.8°C | 47 mm |
| Oct | 25.6°C | 16.2°C | 118 mm |
| Nov | 27.4°C | 18.1°C | 94 mm |
| Dec | 28.2°C | 19.9°C | 137 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Diamond Valley
Where is Diamond Valley?
Diamond Valley is a suburb of Queensland, Australia.
What is the population of Diamond Valley?
At the 2021 Census, Diamond Valley had a population of about 489.
Is Diamond Valley an advantaged area?
Diamond Valley has an ABS SEIFA score of 975, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 43 out of 100 — more socio-economically advantaged than about 43% of Australian suburbs.
What is the weather like in Diamond Valley?
Diamond Valley has average daytime highs of about 24.9°C and overnight lows of about 16.4°C, with roughly 1,234 mm of rain across the year (based on 2014–2023 climate normals).
Nearby suburbs in Queensland
More suburb guides in Queensland
Other hand-written, cited guides — browse all guides.