Spring Flat Postcode

New South Wales

Outer Regional Top 10% SEIFA Above NSW income
2850
Postcode for Spring Flat, NSW
Phone area code: 02 · 200 km from Sydney · Pop. 345
345
Population
36
Median Age
$2,974
Household Income/wk
$375
Median Rent/wk
9/10
SEIFA Advantage
61.1
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 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.

How Spring Flat Compares

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

MetricSpring FlatNSW avgAU 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

Postcode2850
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)345
Median Age36 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 Size3 persons
Area61.1 km²
Population Density6/km²
Total Dwellings113
Australian Citizens96.5%
Indigenous Population12 (3.5%)
Unemployment Rate0.0%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-32.6538881
Longitude149.622615
Distance from Sydney200 km
Region (SA4)Hunter Valley exc Newcastle
Area (SA3)Upper Hunter
Local GovernmentMid-Western Regional
Federal ElectorateCalare

Age Profile

0–14 (26.1%) 15–24 (9.3%) 25–44 (27.0%) 45–64 (23.8%) 65+ (15.7%)
Show counts
0–14 years90 (26.1%)
15–24 years32 (9.3%)
25–44 years93 (27.0%)
45–64 years82 (23.8%)
65+ years54 (15.7%)

Housing Tenure

Owned outright (35.3%) Mortgaged (58.0%) Rented (6.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma25 (7.2%)
Arthritis22 (6.4%)
Diabetes10 (2.9%)
Cancer10 (2.9%)
Heart Disease9 (2.6%)

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 (8.6%)
2 vehicles54 (51.4%)
3+ vehicles42 (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.