Victoria · Postcode 3028

Seabrook postcode and suburb data

Victoria · Phone area code 03 · 19 km from Melbourne

Metro Above VIC income
4,952
Population (2021)
$2,042
Household income/wk
$361
Median rent/wk
37
Median age
7/10
SEIFA advantage

Suburb snapshot

Seabrook at a glance vs VIC

Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.

Quick facts

3028 Postcode See every suburb sharing this postcode
4,952 People Resident population, Census 2021
Hobsons Bay Council area 14 suburbs, 6 postcodes
37 Median age Years, Census 2021
$2,042/wk Household income Suburb median, Census 2021 dollars
Decile 7/10 SEIFA advantage Above average advantage
1 Schools ACARA 2025 profiles in this suburb

Benchmarks against VIC

Household income
$2,042/wk
12% above VIC average
Suburb median, Census 2021
Weekly rent
$361/wk
4% below VIC average
Suburb median, Census 2021
SEIFA advantage
7/10
1.0 deciles above VIC average
IRSAD decile, higher means more advantage
Median age
37 years
9.0 years younger than VIC average
Resident median age
Unemployment
6.5%
1.5 pts above VIC average
Census labour-force rate

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Seabrook ranks: household income is in the top 25% of VIC suburbs.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

Seabrook vs the VIC average and the national average, using population-weighted 2021 Census data.

MetricSeabrookVIC avgAU avgGreater Melbourne
Household income/wk $2,042 +VIC $1,817 $1,836 $1,943
Rent/wk $361 ≈VIC $375 $390 $404
Mortgage/month $1,803 ≈VIC $1,933 $1,958 $2,100
Median age 37 46.0 45.0 39.0
SEIFA decile 7/10 ≈VIC 6.0/10 6.0/10 9.0/10
Unemployment 6.5% +VIC 5.0% 5.0% 5.0%

Green pill = at least 10% above the VIC average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Postcode 3028 covers Seabrook, an inland suburb of Melbourne about 19 km from the city centre. It forms part of the Melbourne - West region of Victoria. Local government services are provided by Hobsons Bay.

According to the 2021 Census, Seabrook has a population of 4,952 with a median age of 37. The median weekly household income is $2,042, above the VIC average. The unemployment rate is 6.5%, higher than the VIC average. The Indigenous population is 36 (0.7% of residents).

Housing in Seabrook includes a median weekly rent of $361, median monthly mortgage repayment of $1,803, with 1,657 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 80.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seabrook scores in decile 7 out of 10, which is above the national average.

Seabrook is served by Seabrook Primary School.

Seabrook is part of the Wyndham statistical area in Victoria.

Seabrook details

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode3028
StateVictoria (VIC)
Phone Area Code03
Population (2021)4,952
Median Age37 years
Median Household Income (Census 2021)$2,042/week
Median Personal Income (Census 2021)$823/week
Median Weekly Rent (Census 2021)$361
Median Monthly Mortgage (Census 2021)$1,803
Average Household Size2.9 persons
Area1.6 km²
Population Density3057/km²
Total Dwellings1,657
Australian Citizens80.0%
Indigenous Population36 (0.7%)
Unemployment Rate6.5%
SEIFA IRSAD Decile7/10 (above average)
Latitude-37.876
Longitude144.758
Distance from Melbourne19 km
Region (SA4)Melbourne - West
Area (SA3)Wyndham
Local GovernmentHobsons Bay
Federal ElectorateGellibrand
State ElectorateWilliamstown (Western Metropolitan)
Time ZoneAEST (UTC+10), Australia/Melbourne (standard time)

Age Profile

0–14 (21.0%) 15–24 (11.0%) 25–44 (29.6%) 45–64 (27.1%) 65+ (11.4%)
Show counts
0–14 years1,041 (21.0%)
15–24 years544 (11.0%)
25–44 years1,464 (29.6%)
45–64 years1,341 (27.1%)
65+ years563 (11.4%)

Housing Tenure

Owned outright (35.6%) Mortgaged (44.4%) Rented (20.0%)

SEIFA socio-economic index

Seabrook is in SEIFA IRSAD decile 7 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Asthma434 (8.8%)
Arthritis297 (6.0%)
Diabetes284 (5.7%)
Heart Disease143 (2.9%)
Cancer111 (2.2%)
Lung Condition63 (1.3%)
Dementia12 (0.2%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle45 (2.7%)
1 vehicle580 (35.1%)
2 vehicles667 (40.4%)
3+ vehicles360 (21.8%)

Schools in Seabrook

ACARA 2025 school profiles for schools located in Seabrook. ICSEA is shown where ACARA publishes it.

Seabrook Primary School
Primary · Gov · ICSEA 1096 · 898 students

Suburbs Near Seabrook

Same Postcode (3028)

More Seabrook Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.