Karnup, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Karnup is more socio-economically advantaged than about 51% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 989, 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.
Karnup at a glance
- Population (2021)
- 2,096
- Median age
- 30
- Median weekly household income
- $2,122
- SEIFA score
- 989
- Coordinates
- -32.4225, 115.7987
Karnup demographics (2021 Census)
The figures below profile Karnup 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 32%, 20% of homes are rented, and 27% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 554 | 26% |
| Youth (15–24) | 243 | 12% |
| Young adults (25–44) | 671 | 32% |
| Mid-life (45–64) | 420 | 20% |
| Seniors (65+) | 203 | 10% |
Share of the 2,091 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 117 | 18% |
| Owned with a mortgage | 407 | 61% |
| Rented | 131 | 20% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 662 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 662 occupied private dwellings in Karnup.
- Median weekly rent
- $370
- Median monthly mortgage
- $1,857
- Average household size
- 3 people
- Median weekly family income
- $2,192
- Median weekly personal income
- $895
Community and culture
- Born overseas
- 544 (27%)
- Speaks a language other than English at home
- 122 (6%)
- Aboriginal and/or Torres Strait Islander
- 69 (3%)
Work and education
- Completed Year 12
- 761 (52%)
- Labour-force participation
- 70.5%
- Unemployment rate
- 4.6%
- Employed full-time
- 612
- Employed part-time
- 336
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 Karnup
Based on 2014–2023 records, the warmest month in Karnup is February (average daytime high around 29.7°C) and the coolest is August (around 17.2°C). The area receives roughly 639 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.7°C | 18.3°C | 15 mm |
| Feb | 29.7°C | 18.5°C | 22 mm |
| Mar | 27.8°C | 17.6°C | 34 mm |
| Apr | 23.9°C | 14.6°C | 41 mm |
| May | 20.1°C | 11.9°C | 80 mm |
| Jun | 17.8°C | 10.6°C | 105 mm |
| Jul | 16.8°C | 10.3°C | 125 mm |
| Aug | 17.2°C | 9.5°C | 103 mm |
| Sep | 18.6°C | 10.3°C | 51 mm |
| Oct | 21°C | 12°C | 37 mm |
| Nov | 24.8°C | 14.3°C | 18 mm |
| Dec | 28°C | 16.8°C | 8 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Karnup
Where is Karnup?
Karnup is a suburb of Western Australia, Australia.
What is the population of Karnup?
At the 2021 Census, Karnup had a population of about 2,096.
Is Karnup an advantaged area?
Karnup has an ABS SEIFA score of 989, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 51 out of 100 — more socio-economically advantaged than about 51% of Australian suburbs.
What is the weather like in Karnup?
Karnup has average daytime highs of about 23°C and overnight lows of about 13.7°C, with roughly 639 mm of rain across the year (based on 2014–2023 climate normals).
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