Portsea, VIC
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Portsea is more socio-economically advantaged than about 98% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1136, 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.
Portsea at a glance
- Population (2021)
- 787
- Median age
- 68
- Median weekly household income
- $2,470
- SEIFA score
- 1136
- Coordinates
- -38.3238, 144.7099
Portsea demographics (2021 Census)
The figures below profile Portsea 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 59%, 7% of homes are rented, and 13% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 29 | 4% |
| Youth (15–24) | 23 | 3% |
| Young adults (25–44) | 48 | 6% |
| Mid-life (45–64) | 220 | 28% |
| Seniors (65+) | 464 | 59% |
Share of the 784 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 237 | 71% |
| Owned with a mortgage | 61 | 18% |
| Rented | 22 | 7% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 320 | 98% |
| Townhouses & semis | 7 | 2% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 327 occupied private dwellings in Portsea.
- Median weekly rent
- $577
- Median monthly mortgage
- $2,806
- Average household size
- 1.8 people
- Median weekly family income
- $3,250
- Median weekly personal income
- $1,541
Community and culture
- Born overseas
- 93 (13%)
- Speaks a language other than English at home
- 23 (3%)
- Aboriginal and/or Torres Strait Islander
- 5 (1%)
Work and education
- Completed Year 12
- 525 (70%)
- Labour-force participation
- 40.9%
- Unemployment rate
- 2.3%
- Employed full-time
- 133
- Employed part-time
- 138
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 Portsea
Based on 2014–2023 records, the warmest month in Portsea 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 Portsea
Where is Portsea?
Portsea is a suburb of Victoria, Australia.
What is the population of Portsea?
At the 2021 Census, Portsea had a population of about 787.
Is Portsea an advantaged area?
Portsea has an ABS SEIFA score of 1136, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 98 out of 100 — more socio-economically advantaged than about 98% of Australian suburbs.
What is the weather like in Portsea?
Portsea 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).
Where Portsea ranks
Portsea appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
Nearby suburbs in Victoria
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Other hand-written, cited guides — browse all guides.