Killcare Postcode

New South Wales

Metro Top 10% SEIFA
2257
Postcode for Killcare, NSW
Phone area code: 02 · 41 km from Sydney · Pop. 517
517
Population
53
Median Age
$1,890
Household Income/wk
$445
Median Rent/wk
10/10
SEIFA Advantage
1.7
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Killcare ranks: SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Killcare Compares

Killcare vs the NSW average and the national average (2021 Census, population-weighted).

MetricKillcareNSW avgAU avgGreater Sydney
Household income/wk $1,890 ≈NSW $1,931 $1,836 $2,181
Rent/wk $445 ≈NSW $445 $390 $506
Mortgage/month $2,167 ≈NSW $2,247 $1,958 $2,587
Median age 53 45.0 45.0 39.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 4.2% -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 2257 covers Killcare, an inland suburb of Sydney about 41 km from the city centre. It forms part of the Central Coast region of New South Wales. Local government services are provided by Central Coast (NSW).

According to the 2021 Census, Killcare has a population of 517 with a median age of 53. The median weekly household income is $1,890, close to the NSW average. The unemployment rate is 4.2%, lower than the NSW average. The Indigenous population is 10 (1.9% of residents).

Housing in Killcare includes a median weekly rent of $445, median monthly mortgage repayment of $2,167, with 207 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 86.3% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Killcare scores in decile 10 out of 10, which is well above the national average.

Killcare is part of the Gosford statistical area in New South Wales.

Killcare Details

Postcode2257
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)517
Median Age53 years
Median Household Income (Census 2021)$1,890/week
Median Personal Income (Census 2021)$919/week
Median Weekly Rent (Census 2021)$445
Median Monthly Mortgage (Census 2021)$2,167
Average Household Size2.4 persons
Area1.7 km²
Population Density312/km²
Total Dwellings207
Australian Citizens94.8%
Indigenous Population10 (1.9%)
Unemployment Rate4.2%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-33.5195114
Longitude151.3589359
Distance from Sydney41 km
Region (SA4)Central Coast
Area (SA3)Gosford
Local GovernmentCentral Coast (NSW)
Federal ElectorateRobertson

Age Profile

0–14 (17.0%) 15–24 (7.2%) 25–44 (16.1%) 45–64 (31.5%) 65+ (28.0%)
Show counts
0–14 years88 (17.0%)
15–24 years37 (7.2%)
25–44 years83 (16.1%)
45–64 years163 (31.5%)
65+ years145 (28.0%)

Housing Tenure

Owned outright (53.2%) Mortgaged (33.2%) Rented (13.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis51 (9.9%)
Asthma34 (6.6%)
Heart Disease26 (5.0%)
Cancer26 (5.0%)
Diabetes21 (4.1%)
Lung Condition13 (2.5%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle82 (39.6%)
2 vehicles95 (45.9%)
3+ vehicles30 (14.5%)

Suburbs Near Killcare

Same Postcode (2257)

More Killcare 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.