Cowan Postcode

New South Wales

Inner Regional Top 10% SEIFA Above NSW income
2081
Postcode for Cowan, NSW
Phone area code: 02 · 31 km from Sydney · Pop. 631
631
Population
41
Median Age
$2,250
Household Income/wk
$515
Median Rent/wk
9/10
SEIFA Advantage
31.9
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 Cowan ranks: household income is in the top 25% of NSW suburbs; rents are among the top 10% in NSW; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Cowan Compares

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

MetricCowanNSW avgAU avgGreater Sydney
Household income/wk $2,250 +NSW $1,931 $1,836 $2,181
Rent/wk $515 +NSW $445 $390 $506
Mortgage/month $2,290 ≈NSW $2,247 $1,958 $2,587
Median age 41 45.0 45.0 39.0
SEIFA decile 9/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 4.1% -NSW 5.0% 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.

Cowan is a locality 31 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2081. It falls within the Sydney - North Sydney and Hornsby region. The local government area is Hornsby.

According to the 2021 Census, Cowan has a population of 631 with a median age of 41. The median weekly household income is $2,250, above the NSW average. The unemployment rate is 4.1%, lower than the NSW average. The Indigenous population is 11 (1.7% of residents).

Housing in Cowan includes a median weekly rent of $515, median monthly mortgage repayment of $2,290, with 208 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 89.7% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cowan scores in decile 9 out of 10, which is well above the national average.

Cowan is served by Cowan Public School.

Cowan is part of the Hornsby statistical area in New South Wales.

Cowan Details

Postcode2081
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)631
Median Age41 years
Median Household Income (Census 2021)$2,250/week
Median Personal Income (Census 2021)$852/week
Median Weekly Rent (Census 2021)$515
Median Monthly Mortgage (Census 2021)$2,290
Average Household Size2.9 persons
Area31.9 km²
Population Density20/km²
Total Dwellings208
Australian Citizens94.0%
Indigenous Population11 (1.7%)
Unemployment Rate4.1%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-33.5879078
Longitude151.16854
Distance from Sydney31 km
Region (SA4)Sydney - North Sydney and Hornsby
Area (SA3)Hornsby
Local GovernmentHornsby
Federal ElectorateBerowra

Age Profile

0–14 (20.0%) 15–24 (15.8%) 25–44 (19.5%) 45–64 (30.3%) 65+ (17.4%)
Show counts
0–14 years126 (20.0%)
15–24 years100 (15.8%)
25–44 years123 (19.5%)
45–64 years191 (30.3%)
65+ years110 (17.4%)

Housing Tenure

Owned outright (39.0%) Mortgaged (50.7%) Rented (10.3%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis53 (8.4%)
Asthma45 (7.1%)
Heart Disease20 (3.2%)
Diabetes19 (3.0%)
Cancer13 (2.1%)
Lung Condition5 (0.8%)
Dementia3 (0.5%)

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

Motor Vehicles per Dwelling

No vehicle9 (4.2%)
1 vehicle57 (26.9%)
2 vehicles90 (42.5%)
3+ vehicles56 (26.4%)

Schools in Cowan

Cowan Public School
Primary · Gov · ICSEA 1063 · 24 students

Suburbs Near Cowan

Same Postcode (2081)

More Cowan 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.