New South Wales · Postcode 2325
Millfield postcode and suburb data
New South Wales · Phone area code 02 · 110 km from Sydney
Suburb snapshot
Millfield 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
Millfield vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Millfield | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,668 -NSW | $1,931 | $1,836 |
| Rent/wk | $320 -NSW | $445 | $390 |
| Mortgage/month | $1,794 -NSW | $2,247 | $1,958 |
| Median age | 38 | 45.0 | 45.0 |
| SEIFA decile | 4/10 -NSW | 6.0/10 | 6.0/10 |
| Unemployment | 5.5% ≈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.
Millfield is a locality 110 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2325. It falls within the Hunter Valley exc Newcastle region. The local government area is Cessnock.
According to the 2021 Census, Millfield has a population of 1,282 with a median age of 38. The median weekly household income is $1,668, below the NSW average. The unemployment rate is 5.5%. The Indigenous population is 107 (8.3% of residents).
Housing in Millfield includes a median weekly rent of $320, median monthly mortgage repayment of $1,794, with 412 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 90.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Millfield scores in decile 4 out of 10, which is below the national average.
Millfield is served by Millfield Public School.
Millfield is part of the Lower Hunter statistical area in New South Wales.
Millfield details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2325 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 1,282 |
| Median Age | 38 years |
| Median Household Income (Census 2021) | $1,668/week |
| Median Personal Income (Census 2021) | $682/week |
| Median Weekly Rent (Census 2021) | $320 |
| Median Monthly Mortgage (Census 2021) | $1,794 |
| Average Household Size | 2.8 persons |
| Area | 32.4 km² |
| Population Density | 40/km² |
| Total Dwellings | 412 |
| Australian Citizens | 90.1% |
| Indigenous Population | 107 (8.3%) |
| Unemployment Rate | 5.5% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -32.8803534 |
| Longitude | 151.245218 |
| Distance from Sydney | 110 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Lower Hunter |
| Local Government | Cessnock |
| Federal Electorate | Hunter |
| State Electorate | Wyong |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 264 (20.6%) |
| 15–24 years | 166 (12.9%) |
| 25–44 years | 335 (26.1%) |
| 45–64 years | 331 (25.8%) |
| 65+ years | 191 (14.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 167 (13.0%) |
| Arthritis | 137 (10.7%) |
| Diabetes | 61 (4.8%) |
| Heart Disease | 58 (4.5%) |
| Cancer | 40 (3.1%) |
| Lung Condition | 29 (2.3%) |
| Dementia | 3 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 6 (1.5%) |
| 1 vehicle | 101 (25.2%) |
| 2 vehicles | 166 (41.5%) |
| 3+ vehicles | 127 (31.8%) |
Schools in Millfield
ACARA 2025 school profiles for schools located in Millfield. ICSEA is shown where ACARA publishes it.
Suburbs Near Millfield
Same Postcode (2325)
More Millfield 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.