Portarlington, VIC
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Portarlington is more socio-economically advantaged than about 40% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 969, 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.
Portarlington at a glance
- Population (2021)
- 4,436
- Median age
- 62
- Median weekly household income
- $1,064
- SEIFA score
- 969
- Coordinates
- -38.1407, 144.6566
Portarlington demographics (2021 Census)
The figures below profile Portarlington 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 seniors (65+) at 44%, 21% of homes are rented, and 18% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 421 | 10% |
| Youth (15–24) | 267 | 6% |
| Young adults (25–44) | 552 | 12% |
| Mid-life (45–64) | 1,253 | 28% |
| Seniors (65+) | 1,934 | 44% |
Share of the 4,427 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 1,045 | 54% |
| Owned with a mortgage | 384 | 20% |
| Rented | 396 | 21% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,736 | 90% |
| Townhouses & semis | 155 | 8% |
| Flats & apartments | 11 | 1% |
Tenure and dwelling shares are of the roughly 1,922 occupied private dwellings in Portarlington.
- Median weekly rent
- $331
- Median monthly mortgage
- $1,657
- Average household size
- 2 people
- Median weekly family income
- $1,390
- Median weekly personal income
- $575
Community and culture
- Born overseas
- 745 (18%)
- Speaks a language other than English at home
- 271 (7%)
- Aboriginal and/or Torres Strait Islander
- 29 (1%)
Work and education
- Completed Year 12
- 1,589 (40%)
- Labour-force participation
- 39.8%
- Unemployment rate
- 4.5%
- Employed full-time
- 743
- Employed part-time
- 620
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 Portarlington
Based on 2014–2023 records, the warmest month in Portarlington is January (average daytime high around 22.3°C) and the coolest is July (around 12.8°C). The area receives roughly 678 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 22.3°C | 16.5°C | 53 mm |
| Feb | 21.8°C | 16.3°C | 31 mm |
| Mar | 20.9°C | 15.7°C | 42 mm |
| Apr | 18.4°C | 13.7°C | 58 mm |
| May | 15.6°C | 11.4°C | 65 mm |
| Jun | 13.3°C | 9.6°C | 60 mm |
| Jul | 12.8°C | 8.8°C | 51 mm |
| Aug | 13.1°C | 8.8°C | 58 mm |
| Sep | 15°C | 9.9°C | 61 mm |
| Oct | 17.2°C | 11.2°C | 74 mm |
| Nov | 18.6°C | 12.8°C | 69 mm |
| Dec | 20.5°C | 14.5°C | 56 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Portarlington
Where is Portarlington?
Portarlington is a suburb of Victoria, Australia.
What is the population of Portarlington?
At the 2021 Census, Portarlington had a population of about 4,436.
Is Portarlington an advantaged area?
Portarlington has an ABS SEIFA score of 969, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 40 out of 100 — more socio-economically advantaged than about 40% of Australian suburbs.
What is the weather like in Portarlington?
Portarlington has average daytime highs of about 17.5°C and overnight lows of about 12.4°C, with roughly 678 mm of rain across the year (based on 2014–2023 climate normals).
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