Mount Ousley Postcode

New South Wales

CoastalMetro Top 10% SEIFA Above NSW income
2519
Postcode for Mount Ousley, NSW
Phone area code: 02 · 66 km from Sydney · Pop. 1,611
1,611
Population
42
Median Age
$2,293
Household Income/wk
$500
Median Rent/wk
10/10
SEIFA Advantage
0.8
Area (km²)

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

Where Mount Ousley ranks: household income is in the top 25% of NSW suburbs; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Mount Ousley Compares

Mount Ousley vs the NSW average and the national average (2021 Census, population-weighted).

MetricMount OusleyNSW avgAU avg
Household income/wk $2,293 +NSW $1,931 $1,836
Rent/wk $500 +NSW $445 $390
Mortgage/month $2,450 ≈NSW $2,247 $1,958
Median age 42 45.0 45.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10
Unemployment 3.6% -NSW 5.0% 5.0%

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

Mount Ousley is a coastal suburb of Sydney in New South Wales, with postcode 2519. It sits about 66 km from the Sydney CBD, within the Wollongong local government area. The suburb footprint covers roughly 0.8 square kilometres.

According to the 2021 Census, Mount Ousley has a population of 1,611 with a median age of 42. The median weekly household income is $2,293, above the NSW average. The unemployment rate is 3.6%, lower than the NSW average. The Indigenous population is 33 (2.0% of residents).

Housing in Mount Ousley includes a median weekly rent of $500, median monthly mortgage repayment of $2,450, with 575 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 85.3% of housing.

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

Mount Ousley is served by Elonera Montessori School.

Mount Ousley is part of the Wollongong statistical area in New South Wales.

Mount Ousley Details

Postcode2519
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)1,611
Median Age42 years
Median Household Income (Census 2021)$2,293/week
Median Personal Income (Census 2021)$832/week
Median Weekly Rent (Census 2021)$500
Median Monthly Mortgage (Census 2021)$2,450
Average Household Size2.8 persons
Area0.8 km²
Population Density2015/km²
Total Dwellings575
Australian Citizens92.4%
Indigenous Population33 (2.0%)
Unemployment Rate3.6%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-34.4003381
Longitude150.8805633
Distance from Sydney66 km
Region (SA4)Illawarra
Area (SA3)Wollongong
Local GovernmentWollongong
Federal ElectorateCunningham

Age Profile

0–14 (17.8%) 15–24 (13.7%) 25–44 (22.1%) 45–64 (27.0%) 65+ (19.2%)
Show counts
0–14 years287 (17.8%)
15–24 years221 (13.7%)
25–44 years356 (22.1%)
45–64 years435 (27.0%)
65+ years310 (19.2%)

Housing Tenure

Owned outright (48.8%) Mortgaged (36.6%) Rented (14.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis160 (9.9%)
Asthma125 (7.8%)
Diabetes74 (4.6%)
Heart Disease69 (4.3%)
Cancer54 (3.4%)
Lung Condition26 (1.6%)
Dementia7 (0.4%)

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

Motor Vehicles per Dwelling

No vehicle22 (3.8%)
1 vehicle171 (29.8%)
2 vehicles257 (44.9%)
3+ vehicles123 (21.5%)

Schools in Mount Ousley

Elonera Montessori School
Combined · Ind · ICSEA 1108 · 187 students

Suburbs Near Mount Ousley

Same Postcode (2519)

More Mount Ousley 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.