Seal Rocks Postcode

New South Wales

Inner Regional
2423
Postcode for Seal Rocks, NSW
Phone area code: 02 · 201 km from Sydney · Pop. 56
56
Population
46
Median Age
$1,416
Household Income/wk
$250
Median Rent/wk
4/10
SEIFA Advantage
19.3
Area (km²)

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

How Seal Rocks Compares

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

MetricSeal RocksNSW avgAU avg
Household income/wk $1,416 -NSW $1,931 $1,836
Rent/wk $250 -NSW $445 $390
Mortgage/month $3,350 +NSW $2,247 $1,958
Median age 46 45.0 45.0
SEIFA decile 4/10 -NSW 6.0/10 6.0/10
Unemployment 0.0% -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.

Seal Rocks is a locality 201 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2423. It falls within the Mid North Coast region. The local government area is Mid-Coast.

According to the 2021 Census, Seal Rocks has a population of 56 with a median age of 46. The median weekly household income is $1,416, below the NSW average. The Indigenous population is 4 (7.1% of residents).

Housing in Seal Rocks includes a median weekly rent of $250, median monthly mortgage repayment of $3,350, with 21 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 85.7% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seal Rocks scores in decile 4 out of 10, which is below the national average.

Seal Rocks is part of the Taree - Gloucester statistical area in New South Wales.

Seal Rocks Details

Postcode2423
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)56
Median Age46 years
Median Household Income (Census 2021)$1,416/week
Median Personal Income (Census 2021)$774/week
Median Weekly Rent (Census 2021)$250
Median Monthly Mortgage (Census 2021)$3,350
Average Household Size2.1 persons
Area19.3 km²
Population Density3/km²
Total Dwellings21
Australian Citizens85.7%
Indigenous Population4 (7.1%)
Unemployment Rate0.0%
SEIFA IRSAD Decile4/10 (below average)
Latitude-32.4353409
Longitude152.525707
Distance from Sydney201 km
Region (SA4)Mid North Coast
Area (SA3)Taree - Gloucester
Local GovernmentMid-Coast
Federal ElectorateLyne

Age Profile

0–14 (19.6%) 15–24 (5.4%) 25–44 (32.1%) 45–64 (21.4%) 65+ (33.9%)
Show counts
0–14 years11 (19.6%)
15–24 years3 (5.4%)
25–44 years18 (32.1%)
45–64 years12 (21.4%)
65+ years19 (33.9%)

Housing Tenure

Owned outright (57.1%) Mortgaged (28.6%) Rented (14.3%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis6 (10.7%)
Cancer6 (10.7%)
Asthma4 (7.1%)

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 vehicle9 (42.9%)
2 vehicles6 (28.6%)
3+ vehicles6 (28.6%)

Suburbs Near Seal Rocks

Same Postcode (2423)

More Seal Rocks 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.