New South Wales · Postcode 2076

Wahroonga postcode and suburb data

New South Wales · Phone area code 02 · 19 km from Sydney

Metro Top 10% SEIFA Above NSW income
17,853
Population (2021)
$2,998
Household income/wk
$600
Median rent/wk
44
Median age
10/10
SEIFA advantage

Suburb snapshot

Wahroonga at a glance vs NSW

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

Quick facts

2076 Postcode See every suburb sharing this postcode
17,853 People Resident population, Census 2021
Ku-ring-gai Council area 19 suburbs, 9 postcodes
44 Median age Years, Census 2021
$2,998/wk Household income Suburb median, Census 2021 dollars
Decile 10/10 SEIFA advantage Very high advantage
9 Schools ACARA 2025 profiles in this suburb

Benchmarks against NSW

Household income
$2,998/wk
55% above NSW average
Suburb median, Census 2021
Weekly rent
$600/wk
35% above NSW average
Suburb median, Census 2021
SEIFA advantage
10/10
4.0 deciles above NSW average
IRSAD decile, higher means more advantage
Median age
44 years
1.0 years younger than NSW average
Resident median age
Unemployment
3.9%
1.1 pts below NSW 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 Wahroonga ranks: household income is in the top 10% of NSW suburbs; rents are among the top 10% in NSW; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

Wahroonga vs the NSW average and the national average, using population-weighted 2021 Census data.

MetricWahroongaNSW avgAU avgGreater Sydney
Household income/wk $2,998 +NSW $1,931 $1,836 $2,181
Rent/wk $600 +NSW $445 $390 $506
Mortgage/month $3,467 +NSW $2,247 $1,958 $2,587
Median age 44 45.0 45.0 39.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 3.9% -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.

Postcode 2076 covers Wahroonga, an inland suburb of Sydney about 19 km from the city centre. It forms part of the Sydney - North Sydney and Hornsby region of New South Wales. Local government services are provided by Ku-ring-gai.

According to the 2021 Census, Wahroonga has a population of 17,853 with a median age of 44. The median weekly household income is $2,998, above the NSW average. The unemployment rate is 3.9%, lower than the NSW average. The Indigenous population is 69 (0.4% of residents).

Housing in Wahroonga includes a median weekly rent of $600, median monthly mortgage repayment of $3,467, with 5,785 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 81.4% of housing.

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

There are 9 schools in the Wahroonga area, including Knox Grammar School, Abbotsleigh, St Leo's Catholic College and others.

Wahroonga is part of the Ku-ring-gai statistical area in New South Wales.

Wahroonga details

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

Postcode2076
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)17,853
Median Age44 years
Median Household Income (Census 2021)$2,998/week
Median Personal Income (Census 2021)$1,042/week
Median Weekly Rent (Census 2021)$600
Median Monthly Mortgage (Census 2021)$3,467
Average Household Size2.9 persons
Area9.8 km²
Population Density1831/km²
Total Dwellings5,785
Australian Citizens86.4%
Indigenous Population69 (0.4%)
Unemployment Rate3.9%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-33.7186308
Longitude151.1103686
Distance from Sydney19 km
Region (SA4)Sydney - North Sydney and Hornsby
Area (SA3)Ku-ring-gai
Local GovernmentKu-ring-gai
Federal ElectorateBradfield
State ElectorateWahroonga
Time ZoneAEST (UTC+10), Australia/Sydney (standard time)

Age Profile

0–14 (18.7%) 15–24 (13.0%) 25–44 (19.3%) 45–64 (26.9%) 65+ (22.2%)
Show counts
0–14 years3,332 (18.7%)
15–24 years2,320 (13.0%)
25–44 years3,437 (19.3%)
45–64 years4,800 (26.9%)
65+ years3,966 (22.2%)

Housing Tenure

Owned outright (40.1%) Mortgaged (41.3%) Rented (18.6%)

SEIFA socio-economic index

Wahroonga is in SEIFA IRSAD decile 10 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)

Arthritis1,314 (7.4%)
Asthma1,221 (6.8%)
Heart Disease836 (4.7%)
Diabetes652 (3.7%)
Cancer623 (3.5%)
Dementia358 (2.0%)
Lung Condition196 (1.1%)

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

Motor Vehicles per Dwelling

No vehicle252 (4.4%)
1 vehicle1,956 (34.0%)
2 vehicles2,435 (42.4%)
3+ vehicles1,104 (19.2%)

Schools in Wahroonga

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

Knox Grammar School
Combined · Ind · ICSEA 1187 · 3,345 students
Abbotsleigh
Combined · Ind · ICSEA 1217 · 1,634 students
St Leo's Catholic College
Secondary · Cat · ICSEA 1113 · 1,055 students
Waitara Public School
Primary · Gov · ICSEA 1148 · 972 students
Wahroonga Adventist School
Combined · Ind · ICSEA 1161 · 633 students
Wahroonga Public School
Primary · Gov · ICSEA 1156 · 508 students
Prouille Catholic Primary School
Primary · Cat · ICSEA 1156 · 262 students
St Lucy's School
Special · Ind · ICSEA 1104 · 246 students
St Edmund's College
Special · Ind · ICSEA 1107 · 112 students

Suburbs Near Wahroonga

Same Postcode (2076)

More Wahroonga 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.