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New South Wales · Postcode 2300
Cooks Hill postcode and suburb data
New South Wales · Phone area code 02 · 116 km from Sydney
Suburb snapshot
Cooks Hill 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 Cooks Hill ranks: SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cooks Hill vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Cooks Hill | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,881 ≈NSW | $1,931 | $1,836 |
| Rent/wk | $430 ≈NSW | $445 | $390 |
| Mortgage/month | $2,297 ≈NSW | $2,247 | $1,958 |
| Median age | 35 | 45.0 | 45.0 |
| SEIFA decile | 10/10 +NSW | 6.0/10 | 6.0/10 |
| Unemployment | 3.9% -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.
Cooks Hill is a coastal suburb of Sydney in New South Wales, with postcode 2300. It sits about 116 km from the Sydney CBD, within the Newcastle local government area. The suburb footprint covers roughly 0.7 square kilometres.
According to the 2021 Census, Cooks Hill has a population of 3,774 with a median age of 35. The median weekly household income is $1,881, close to the NSW average. The unemployment rate is 3.9%, lower than the NSW average. The Indigenous population is 137 (3.6% of residents).
Housing in Cooks Hill includes a median weekly rent of $430, median monthly mortgage repayment of $2,297, with 1,717 total dwellings. Rental properties account for 56.6% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cooks Hill scores in decile 10 out of 10, which is well above the national average.
Cooks Hill is served by Alesco Secondary College.
Cooks Hill is part of the Newcastle statistical area in New South Wales.
Cooks Hill details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2300 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,774 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $1,881/week |
| Median Personal Income (Census 2021) | $1,025/week |
| Median Weekly Rent (Census 2021) | $430 |
| Median Monthly Mortgage (Census 2021) | $2,297 |
| Average Household Size | 2 persons |
| Area | 0.7 km² |
| Population Density | 5234/km² |
| Total Dwellings | 1,717 |
| Australian Citizens | 90.6% |
| Indigenous Population | 137 (3.6%) |
| Unemployment Rate | 3.9% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -32.9338 |
| Longitude | 151.7696 |
| Distance from Sydney | 116 km |
| Region (SA4) | Newcastle and Lake Macquarie |
| Area (SA3) | Newcastle |
| Local Government | Newcastle |
| Federal Electorate | Newcastle |
| State Electorate | Newcastle |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 426 (11.3%) |
| 15–24 years | 614 (16.3%) |
| 25–44 years | 1,274 (33.8%) |
| 45–64 years | 893 (23.7%) |
| 65+ years | 569 (15.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 338 (9.0%) |
| Arthritis | 306 (8.1%) |
| Heart Disease | 125 (3.3%) |
| Diabetes | 109 (2.9%) |
| Cancer | 86 (2.3%) |
| Lung Condition | 61 (1.6%) |
| Dementia | 16 (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 | 239 (14.1%) |
| 1 vehicle | 771 (45.5%) |
| 2 vehicles | 514 (30.3%) |
| 3+ vehicles | 172 (10.1%) |
Schools in Cooks Hill
ACARA 2025 school profiles for schools located in Cooks Hill. ICSEA is shown where ACARA publishes it.
Suburbs Near Cooks Hill
Same Postcode (2300)
More Cooks Hill 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.