New South Wales · Postcode 2775
Marlow postcode and suburb data
New South Wales · Phone area code 02 · 45 km from Sydney
Suburb snapshot
Marlow 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.
Detailed comparison table
Marlow vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Marlow | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,187 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $250 -NSW | $445 | $390 | $506 |
| Mortgage/month | $4,442 +NSW | $2,247 | $1,958 | $2,587 |
| Median age | 59 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 6/10 ≈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.
Marlow is a locality 45 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2775. It falls within the Sydney - Baulkham Hills and Hawkesbury region. The local government area is Central Coast (NSW).
According to the 2021 Census, Marlow has a population of 35 with a median age of 59. The median weekly household income is $1,187, below the NSW average.
Housing in Marlow includes a median weekly rent of $250, median monthly mortgage repayment of $4,442, with 15 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 64.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Marlow scores in decile 6 out of 10, which is around the national average.
Marlow is part of the Hawkesbury statistical area in New South Wales.
Marlow details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2775 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 35 |
| Median Age | 59 years |
| Median Household Income (Census 2021) | $1,187/week |
| Median Personal Income (Census 2021) | $485/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $4,442 |
| Average Household Size | 1.5 persons |
| Area | 1.2 km² |
| Population Density | 30/km² |
| Total Dwellings | 15 |
| Australian Citizens | 71.4% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -33.468 |
| Longitude | 151.166 |
| Distance from Sydney | 45 km |
| Region (SA4) | Sydney - Baulkham Hills and Hawkesbury |
| Area (SA3) | Hawkesbury |
| Local Government | Central Coast (NSW) |
| Federal Electorate | Macquarie |
| State Electorate | Hornsby |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 4 (11.4%) |
| 45–64 years | 15 (42.9%) |
| 65+ years | 10 (28.6%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Cancer | 7 (20.0%) |
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 | 7 (70.0%) |
| 2 vehicles | 3 (30.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Marlow
Same Postcode (2775)
More Marlow 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.