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New South Wales · Postcode 2630
Rock Flat postcode and suburb data
New South Wales · Phone area code 02 · 330 km from Sydney
Suburb snapshot
Rock Flat 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 Rock Flat ranks: household income is in the top 10% of NSW suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Rock Flat vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Rock Flat | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,625 +NSW | $1,931 | $1,836 |
| Rent/wk | $250 -NSW | $445 | $390 |
| Mortgage/month | $3,250 +NSW | $2,247 | $1,958 |
| Median age | 49 | 45.0 | 45.0 |
| SEIFA decile | 9/10 +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.
Rock Flat is a locality 330 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2630. It falls within the Capital Region region. The local government area is Snowy Monaro Regional.
According to the 2021 Census, Rock Flat has a population of 73 with a median age of 49. The median weekly household income is $2,625, above the NSW average. The Indigenous population is 8 (11.0% of residents).
Housing in Rock Flat includes a median weekly rent of $250, median monthly mortgage repayment of $3,250, with 20 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Rock Flat scores in decile 9 out of 10, which is well above the national average.
Rock Flat is part of the Snowy Mountains statistical area in New South Wales.
Rock Flat details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2630 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 73 |
| Median Age | 49 years |
| Median Household Income (Census 2021) | $2,625/week |
| Median Personal Income (Census 2021) | $1,113/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $3,250 |
| Average Household Size | 3.3 persons |
| Area | 213.1 km² |
| Population Density | 0/km² |
| Total Dwellings | 20 |
| Australian Citizens | 98.6% |
| Indigenous Population | 8 (11.0%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -36.3175496 |
| Longitude | 149.1526717 |
| Distance from Sydney | 330 km |
| Region (SA4) | Capital Region |
| Area (SA3) | Snowy Mountains |
| Local Government | Snowy Monaro Regional |
| Federal Electorate | Eden-Monaro |
| State Electorate | Monaro |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 13 (17.8%) |
| 15–24 years | 10 (13.7%) |
| 25–44 years | 10 (13.7%) |
| 45–64 years | 34 (46.6%) |
| 65+ years | 13 (17.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 11 (15.1%) |
| Asthma | 6 (8.2%) |
| Lung Condition | 4 (5.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 5 (31.2%) |
| 2 vehicles | 6 (37.5%) |
| 3+ vehicles | 5 (31.2%) |
Suburbs Near Rock Flat
Same Postcode (2630)
More Rock Flat 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.