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- Glen Martin
New South Wales · Postcode 2321
Glen Martin postcode and suburb data
New South Wales · Phone area code 02 · 159 km from Sydney
Suburb snapshot
Glen Martin 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
Glen Martin vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Glen Martin | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,625 -NSW | $1,931 | $1,836 |
| Rent/wk | $345 -NSW | $445 | $390 |
| Mortgage/month | $2,050 ≈NSW | $2,247 | $1,958 |
| Median age | 45 | 45.0 | 45.0 |
| SEIFA decile | 8/10 +NSW | 6.0/10 | 6.0/10 |
| Unemployment | 5.1% ≈NSW | 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.
Glen Martin is a locality 159 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2321. It falls within the Hunter Valley exc Newcastle region. The local government area is Dungog.
According to the 2021 Census, Glen Martin has a population of 158 with a median age of 45. The median weekly household income is $1,625, below the NSW average. The unemployment rate is 5.1%.
Housing in Glen Martin includes a median weekly rent of $345, median monthly mortgage repayment of $2,050, with 56 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 94.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Glen Martin scores in decile 8 out of 10, which is above the national average.
Glen Martin is part of the Port Stephens statistical area in New South Wales.
Glen Martin details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2321 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 158 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,625/week |
| Median Personal Income (Census 2021) | $633/week |
| Median Weekly Rent (Census 2021) | $345 |
| Median Monthly Mortgage (Census 2021) | $2,050 |
| Average Household Size | 2.8 persons |
| Area | 69.2 km² |
| Population Density | 2/km² |
| Total Dwellings | 56 |
| Australian Citizens | 94.3% |
| Unemployment Rate | 5.1% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -32.5382469 |
| Longitude | 151.8211768 |
| Distance from Sydney | 159 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Port Stephens |
| Local Government | Dungog |
| Federal Electorate | Paterson |
| State Electorate | Upper Hunter |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 23 (14.6%) |
| 15–24 years | 21 (13.3%) |
| 25–44 years | 31 (19.6%) |
| 45–64 years | 48 (30.4%) |
| 65+ years | 35 (22.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 26 (16.5%) |
| Asthma | 19 (12.0%) |
| Heart Disease | 8 (5.1%) |
| Cancer | 6 (3.8%) |
| Diabetes | 4 (2.5%) |
| Lung Condition | 3 (1.9%) |
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 | 3 (5.4%) |
| 2 vehicles | 33 (58.9%) |
| 3+ vehicles | 20 (35.7%) |
Suburbs Near Glen Martin
Same Postcode (2321)
More Glen Martin 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.