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New South Wales · Postcode 2529
Blackbutt postcode and suburb data
New South Wales · Phone area code 02 · 85 km from Sydney
Suburb snapshot
Blackbutt 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.
Detailed comparison table
Blackbutt vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Blackbutt | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,604 -NSW | $1,931 | $1,836 |
| Rent/wk | $420 ≈NSW | $445 | $390 |
| Mortgage/month | $2,000 -NSW | $2,247 | $1,958 |
| Median age | 43 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈NSW | 6.0/10 | 6.0/10 |
| Unemployment | 4.8% ≈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.
Postcode 2529 covers Blackbutt, an inland suburb of Sydney about 85 km from the city centre. It forms part of the Illawarra region of New South Wales. Local government services are provided by Shellharbour.
According to the 2021 Census, Blackbutt has a population of 3,291 with a median age of 43. The median weekly household income is $1,604, below the NSW average. The unemployment rate is 4.8%. The Indigenous population is 122 (3.7% of residents).
Housing in Blackbutt includes a median weekly rent of $420, median monthly mortgage repayment of $2,000, with 1,218 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 70.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blackbutt scores in decile 5 out of 10, which is around the national average.
Blackbutt is part of the Kiama - Shellharbour statistical area in New South Wales.
Blackbutt details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2529 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,291 |
| Median Age | 43 years |
| Median Household Income (Census 2021) | $1,604/week |
| Median Personal Income (Census 2021) | $707/week |
| Median Weekly Rent (Census 2021) | $420 |
| Median Monthly Mortgage (Census 2021) | $2,000 |
| Average Household Size | 2.6 persons |
| Area | 2.6 km² |
| Population Density | 1278/km² |
| Total Dwellings | 1,218 |
| Australian Citizens | 93.3% |
| Indigenous Population | 122 (3.7%) |
| Unemployment Rate | 4.8% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -34.571667 |
| Longitude | 150.838333 |
| Distance from Sydney | 85 km |
| Region (SA4) | Illawarra |
| Area (SA3) | Kiama - Shellharbour |
| Local Government | Shellharbour |
| Federal Electorate | Whitlam |
| State Electorate | Shellharbour |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 532 (16.2%) |
| 15–24 years | 438 (13.3%) |
| 25–44 years | 722 (21.9%) |
| 45–64 years | 958 (29.1%) |
| 65+ years | 635 (19.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 398 (12.1%) |
| Asthma | 304 (9.2%) |
| Diabetes | 194 (5.9%) |
| Heart Disease | 158 (4.8%) |
| Cancer | 106 (3.2%) |
| Lung Condition | 74 (2.2%) |
| Dementia | 27 (0.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 63 (5.2%) |
| 1 vehicle | 378 (31.3%) |
| 2 vehicles | 459 (38.0%) |
| 3+ vehicles | 309 (25.6%) |
Suburbs Near Blackbutt
Same Postcode (2529)
More Blackbutt 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.