- Home
- New South Wales
- Sydney - Northern Beaches
- Pittwater
- Bilgola Plateau
New South Wales · Postcode 2107
Bilgola Plateau postcode and suburb data
New South Wales · Phone area code 02 · 27 km from Sydney
Suburb snapshot
Bilgola Plateau 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
Benchmarks against NSW
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Bilgola Plateau 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 2021Detailed comparison table
Bilgola Plateau vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Bilgola Plateau | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $2,856 +NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $895 +NSW | $445 | $390 | $506 |
| Mortgage/month | $3,315 +NSW | $2,247 | $1,958 | $2,587 |
| Median age | 46 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 10/10 +NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 3.4% -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 2107 covers Bilgola Plateau, an inland suburb of Sydney about 27 km from the city centre. It forms part of the Sydney - Northern Beaches region of New South Wales. Local government services are provided by Northern Beaches.
According to the 2021 Census, Bilgola Plateau has a population of 3,650 with a median age of 46. The median weekly household income is $2,856, above the NSW average. The unemployment rate is 3.4%, lower than the NSW average. The Indigenous population is 12 (0.3% of residents).
Housing in Bilgola Plateau includes a median weekly rent of $895, median monthly mortgage repayment of $3,315, with 1,224 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 90.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Bilgola Plateau scores in decile 10 out of 10, which is well above the national average.
Bilgola Plateau is served by Bilgola Plateau Public School.
Bilgola Plateau is part of the Pittwater statistical area in New South Wales.
Bilgola Plateau details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2107 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,650 |
| Median Age | 46 years |
| Median Household Income (Census 2021) | $2,856/week |
| Median Personal Income (Census 2021) | $1,062/week |
| Median Weekly Rent (Census 2021) | $895 |
| Median Monthly Mortgage (Census 2021) | $3,315 |
| Average Household Size | 2.9 persons |
| Area | 1.4 km² |
| Population Density | 2622/km² |
| Total Dwellings | 1,224 |
| Australian Citizens | 91.7% |
| Indigenous Population | 12 (0.3%) |
| Unemployment Rate | 3.4% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -33.6429 |
| Longitude | 151.314 |
| Distance from Sydney | 27 km |
| Region (SA4) | Sydney - Northern Beaches |
| Area (SA3) | Pittwater |
| Local Government | Northern Beaches |
| Federal Electorate | Mackellar |
| State Electorate | Pittwater |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 729 (20.0%) |
| 15–24 years | 405 (11.1%) |
| 25–44 years | 596 (16.3%) |
| 45–64 years | 1,119 (30.7%) |
| 65+ years | 793 (21.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 292 (8.0%) |
| Asthma | 253 (6.9%) |
| Heart Disease | 156 (4.3%) |
| Cancer | 137 (3.8%) |
| Diabetes | 95 (2.6%) |
| Lung Condition | 42 (1.2%) |
| Dementia | 11 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 14 (1.2%) |
| 1 vehicle | 262 (21.6%) |
| 2 vehicles | 613 (50.5%) |
| 3+ vehicles | 324 (26.7%) |
Schools in Bilgola Plateau
ACARA 2025 school profiles for schools located in Bilgola Plateau. ICSEA is shown where ACARA publishes it.
Suburbs Near Bilgola Plateau
Same Postcode (2107)
More Bilgola Plateau 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.