New South Wales · Postcode 2157
Forest Glen postcode and suburb data
New South Wales · Phone area code 02 · 39 km from Sydney
Suburb snapshot
Forest Glen 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 Forest Glen ranks: household income is in the top 10% of NSW suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Forest Glen vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Forest Glen | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $2,583 +NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $210 -NSW | $445 | $390 | $506 |
| Mortgage/month | $3,467 +NSW | $2,247 | $1,958 | $2,587 |
| Median age | 39 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 9/10 +NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 0.0% -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.
Forest Glen is a locality 39 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2157. It falls within the Sydney - Baulkham Hills and Hawkesbury region. The local government area is Hornsby.
According to the 2021 Census, Forest Glen has a population of 71 with a median age of 39. The median weekly household income is $2,583, above the NSW average.
Housing in Forest Glen includes a median weekly rent of $210, median monthly mortgage repayment of $3,467, with 25 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 78.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Forest Glen scores in decile 9 out of 10, which is well above the national average.
Forest Glen is part of the Dural - Wisemans Ferry statistical area in New South Wales.
Forest Glen details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2157 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 71 |
| Median Age | 39 years |
| Median Household Income (Census 2021) | $2,583/week |
| Median Personal Income (Census 2021) | $919/week |
| Median Weekly Rent (Census 2021) | $210 |
| Median Monthly Mortgage (Census 2021) | $3,467 |
| Average Household Size | 3.5 persons |
| Area | 5.6 km² |
| Population Density | 13/km² |
| Total Dwellings | 25 |
| Australian Citizens | 98.6% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -33.55054 |
| Longitude | 151.01974 |
| Distance from Sydney | 39 km |
| Region (SA4) | Sydney - Baulkham Hills and Hawkesbury |
| Area (SA3) | Dural - Wisemans Ferry |
| Local Government | Hornsby |
| Federal Electorate | Berowra |
| State Electorate | Hornsby |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 23 (32.4%) |
| 15–24 years | 4 (5.6%) |
| 25–44 years | 16 (22.5%) |
| 45–64 years | 14 (19.7%) |
| 65+ years | 15 (21.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 9 (12.7%) |
| Arthritis | 6 (8.5%) |
| Heart Disease | 3 (4.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 8 (25.8%) |
| 2 vehicles | 10 (32.3%) |
| 3+ vehicles | 13 (41.9%) |
Suburbs Near Forest Glen
Same Postcode (2157)
More Forest Glen 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.