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New South Wales · Postcode 2251
Kincumber South postcode and suburb data
New South Wales · Phone area code 02 · 45 km from Sydney
Suburb snapshot
Kincumber South 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 Kincumber South ranks: household income sits in the bottom 10% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Kincumber South vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Kincumber South | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $721 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $310 -NSW | $445 | $390 | $506 |
| Mortgage/month | $2,006 -NSW | $2,247 | $1,958 | $2,587 |
| Median age | 68 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 3/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 5.6% +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.
Kincumber South is a coastal suburb of Sydney in New South Wales, with postcode 2251. It sits about 45 km from the Sydney CBD, within the Central Coast (NSW) local government area. The suburb footprint covers roughly 1.3 square kilometres.
According to the 2021 Census, Kincumber South has a population of 721 with a median age of 68. The median weekly household income is $721, below the NSW average. The unemployment rate is 5.6%, higher than the NSW average. The Indigenous population is 12 (1.7% of residents).
Housing in Kincumber South includes a median weekly rent of $310, median monthly mortgage repayment of $2,006, with 405 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 90.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Kincumber South scores in decile 3 out of 10, which is below the national average.
Kincumber South is part of the Gosford statistical area in New South Wales.
Kincumber South details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2251 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 721 |
| Median Age | 68 years |
| Median Household Income (Census 2021) | $721/week |
| Median Personal Income (Census 2021) | $556/week |
| Median Weekly Rent (Census 2021) | $310 |
| Median Monthly Mortgage (Census 2021) | $2,006 |
| Average Household Size | 1.7 persons |
| Area | 1.3 km² |
| Population Density | 567/km² |
| Total Dwellings | 405 |
| Australian Citizens | 89.7% |
| Indigenous Population | 12 (1.7%) |
| Unemployment Rate | 5.6% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -33.482 |
| Longitude | 151.368 |
| Distance from Sydney | 45 km |
| Region (SA4) | Central Coast |
| Area (SA3) | Gosford |
| Local Government | Central Coast (NSW) |
| Federal Electorate | Robertson |
| State Electorate | Terrigal |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 56 (7.8%) |
| 15–24 years | 20 (2.8%) |
| 25–44 years | 68 (9.4%) |
| 45–64 years | 158 (21.9%) |
| 65+ years | 422 (58.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 183 (25.4%) |
| Diabetes | 107 (14.8%) |
| Heart Disease | 81 (11.2%) |
| Asthma | 75 (10.4%) |
| Lung Condition | 52 (7.2%) |
| Cancer | 40 (5.5%) |
| Dementia | 8 (1.1%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 46 (11.6%) |
| 1 vehicle | 247 (62.1%) |
| 2 vehicles | 77 (19.3%) |
| 3+ vehicles | 28 (7.0%) |
Suburbs Near Kincumber South
Same Postcode (2251)
More Kincumber South 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.