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New South Wales · Postcode 2850
Spring Flat postcode and suburb data
New South Wales · Phone area code 02 · 200 km from Sydney
Suburb snapshot
Spring 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 Spring 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
Spring Flat vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Spring Flat | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,974 +NSW | $1,931 | $1,836 |
| Rent/wk | $375 -NSW | $445 | $390 |
| Mortgage/month | $2,540 +NSW | $2,247 | $1,958 |
| Median age | 36 | 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.
Spring Flat is a locality 200 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2850. It falls within the Hunter Valley exc Newcastle region. The local government area is Mid-Western Regional.
According to the 2021 Census, Spring Flat has a population of 345 with a median age of 36. The median weekly household income is $2,974, above the NSW average. The Indigenous population is 12 (3.5% of residents).
Housing in Spring Flat includes a median weekly rent of $375, median monthly mortgage repayment of $2,540, with 113 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 93.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Spring Flat scores in decile 9 out of 10, which is well above the national average.
Spring Flat is part of the Upper Hunter statistical area in New South Wales.
Spring Flat details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2850 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 345 |
| Median Age | 36 years |
| Median Household Income (Census 2021) | $2,974/week |
| Median Personal Income (Census 2021) | $1,025/week |
| Median Weekly Rent (Census 2021) | $375 |
| Median Monthly Mortgage (Census 2021) | $2,540 |
| Average Household Size | 3 persons |
| Area | 61.1 km² |
| Population Density | 6/km² |
| Total Dwellings | 113 |
| Australian Citizens | 96.5% |
| Indigenous Population | 12 (3.5%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -32.6538881 |
| Longitude | 149.622615 |
| Distance from Sydney | 200 km |
| Region (SA4) | Hunter Valley exc Newcastle |
| Area (SA3) | Upper Hunter |
| Local Government | Mid-Western Regional |
| Federal Electorate | Calare |
| State Electorate | Upper Hunter |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 90 (26.1%) |
| 15–24 years | 32 (9.3%) |
| 25–44 years | 93 (27.0%) |
| 45–64 years | 82 (23.8%) |
| 65+ years | 54 (15.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 25 (7.2%) |
| Arthritis | 22 (6.4%) |
| Diabetes | 10 (2.9%) |
| Cancer | 10 (2.9%) |
| Heart Disease | 9 (2.6%) |
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 | 9 (8.6%) |
| 2 vehicles | 54 (51.4%) |
| 3+ vehicles | 42 (40.0%) |
Suburbs Near Spring Flat
Same Postcode (2850)
More Spring 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.