Victoria · Postcode 3315

Coleraine postcode and suburb data

Victoria · Phone area code 03 · 288 km from Melbourne

Outer Regional Bottom 20% SEIFA
1,062
Population (2021)
$850
Household income/wk
$140
Median rent/wk
56
Median age
2/10
SEIFA advantage

Suburb snapshot

Coleraine 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

3315 Postcode See every suburb sharing this postcode
1,062 People Resident population, Census 2021
Southern Grampians Council area 55 suburbs, 11 postcodes
56 Median age Years, Census 2021
$850/wk Household income Suburb median, Census 2021 dollars
Decile 2/10 SEIFA advantage Lower SEIFA advantage
2 Schools ACARA 2025 profiles in this suburb

Benchmarks against VIC

Household income
$850/wk
53% below VIC average
Suburb median, Census 2021
Weekly rent
$140/wk
63% below VIC average
Suburb median, Census 2021
SEIFA advantage
2/10
4.0 deciles below VIC average
IRSAD decile, higher means more advantage
Median age
56 years
10.0 years older than VIC average
Resident median age
Unemployment
6.7%
1.7 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 Coleraine ranks: household income sits in the bottom 10% of VIC suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

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

MetricColeraineVIC avgAU avg
Household income/wk $850 -VIC $1,817 $1,836
Rent/wk $140 -VIC $375 $390
Mortgage/month $650 -VIC $1,933 $1,958
Median age 56 46.0 45.0
SEIFA decile 2/10 -VIC 6.0/10 6.0/10
Unemployment 6.7% +VIC 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.

Coleraine is a locality 288 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3315. It falls within the Warrnambool and South West region. The local government area is Southern Grampians.

According to the 2021 Census, Coleraine has a population of 1,062 with a median age of 56. The median weekly household income is $850, below the VIC average. The unemployment rate is 6.7%, higher than the VIC average. The Indigenous population is 35 (3.3% of residents).

Housing in Coleraine includes a median weekly rent of $140, median monthly mortgage repayment of $650, with 488 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 84.4% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Coleraine scores in decile 2 out of 10, which is well below the national average.

Schools in Coleraine include St Joseph's School and Coleraine Primary School.

Coleraine is part of the Glenelg - Southern Grampians statistical area in Victoria.

Coleraine details

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

Postcode3315
StateVictoria (VIC)
Phone Area Code03
Population (2021)1,062
Median Age56 years
Median Household Income (Census 2021)$850/week
Median Personal Income (Census 2021)$502/week
Median Weekly Rent (Census 2021)$140
Median Monthly Mortgage (Census 2021)$650
Average Household Size1.9 persons
Area174.4 km²
Population Density6/km²
Total Dwellings488
Australian Citizens88.0%
Indigenous Population35 (3.3%)
Unemployment Rate6.7%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-37.6
Longitude141.7
Distance from Melbourne288 km
Region (SA4)Warrnambool and South West
Area (SA3)Glenelg - Southern Grampians
Local GovernmentSouthern Grampians
Federal ElectorateWannon
State ElectorateLowan (Western Victoria)
Time ZoneAEST (UTC+10), Australia/Melbourne (standard time)

Age Profile

0–14 (12.1%) 15–24 (7.5%) 25–44 (15.0%) 45–64 (31.1%) 65+ (34.2%)
Show counts
0–14 years129 (12.1%)
15–24 years80 (7.5%)
25–44 years159 (15.0%)
45–64 years330 (31.1%)
65+ years363 (34.2%)

Housing Tenure

Owned outright (59.6%) Mortgaged (24.8%) Rented (15.6%)

SEIFA socio-economic index

Coleraine is in SEIFA IRSAD decile 2 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)

Arthritis171 (16.1%)
Asthma102 (9.6%)
Diabetes88 (8.3%)
Heart Disease75 (7.1%)
Cancer44 (4.1%)
Lung Condition37 (3.5%)
Dementia25 (2.4%)

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

Motor Vehicles per Dwelling

No vehicle28 (5.7%)
1 vehicle188 (38.5%)
2 vehicles155 (31.8%)
3+ vehicles117 (24.0%)

Schools in Coleraine

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

St Joseph's School
Primary · Cat · ICSEA 1003 · 34 students
Coleraine Primary School
Primary · Gov · ICSEA 975 · 32 students

Suburbs Near Coleraine

Same Postcode (3315)

More Coleraine 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.