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New South Wales · Postcode 2147
Seven Hills postcode and suburb data
New South Wales · Phone area code 02 · 28 km from Sydney
Suburb snapshot
Seven Hills 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
Seven Hills vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Seven Hills | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,892 ≈NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $400 -NSW | $445 | $390 | $506 |
| Mortgage/month | $2,200 ≈NSW | $2,247 | $1,958 | $2,587 |
| Median age | 37 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 6/10 ≈NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 5.8% +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 2147 covers Seven Hills, an inland suburb of Sydney about 28 km from the city centre. It forms part of the Sydney - Blacktown region of New South Wales. Local government services are provided by Blacktown.
According to the 2021 Census, Seven Hills has a population of 20,095 with a median age of 37. The median weekly household income is $1,892, close to the NSW average. The unemployment rate is 5.8%, higher than the NSW average. The Indigenous population is 394 (2.0% of residents).
Housing in Seven Hills includes a median weekly rent of $400, median monthly mortgage repayment of $2,200, with 6,763 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 63.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seven Hills scores in decile 6 out of 10, which is around the national average.
There are 10 schools in the Seven Hills area, including The Hills Sports High School, Seven Hills High School, Vardys Road Public School and others.
Seven Hills is part of the Blacktown statistical area in New South Wales.
Seven Hills details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2147 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 20,095 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $1,892/week |
| Median Personal Income (Census 2021) | $780/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $2,200 |
| Average Household Size | 2.8 persons |
| Area | 9.6 km² |
| Population Density | 2087/km² |
| Total Dwellings | 6,763 |
| Australian Citizens | 78.0% |
| Indigenous Population | 394 (2.0%) |
| Unemployment Rate | 5.8% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -33.7779167 |
| Longitude | 150.931946 |
| Distance from Sydney | 28 km |
| Region (SA4) | Sydney - Blacktown |
| Area (SA3) | Blacktown |
| Local Government | Blacktown |
| Federal Electorate | Greenway |
| State Electorate | Winston Hills |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 3,727 (18.5%) |
| 15–24 years | 2,465 (12.3%) |
| 25–44 years | 6,205 (30.9%) |
| 45–64 years | 4,592 (22.9%) |
| 65+ years | 3,113 (15.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 1,532 (7.6%) |
| Arthritis | 1,472 (7.3%) |
| Diabetes | 1,323 (6.6%) |
| Heart Disease | 763 (3.8%) |
| Cancer | 467 (2.3%) |
| Lung Condition | 359 (1.8%) |
| Dementia | 85 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 617 (9.3%) |
| 1 vehicle | 2,517 (37.8%) |
| 2 vehicles | 2,413 (36.2%) |
| 3+ vehicles | 1,114 (16.7%) |
Schools in Seven Hills
ACARA 2025 school profiles for schools located in Seven Hills. ICSEA is shown where ACARA publishes it.
Suburbs Near Seven Hills
Same Postcode (2147)
More Seven Hills 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.