Queensland · Postcode 4820
Basalt postcode and suburb data
Queensland · Phone area code 07 · 1154 km from Brisbane
Suburb snapshot
Basalt at a glance vs QLD
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against QLD
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
Basalt vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Basalt | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,375 -QLD | $1,770 | $1,836 |
| Rent/wk | $160 -QLD | $380 | $390 |
| Mortgage/month | $1,300 -QLD | $1,774 | $1,958 |
| Median age | 45 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 0.0% -QLD | 6.0% | 5.0% |
Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Basalt is a very remote community in Queensland, with postcode 4820. It lies roughly 1154 km from Brisbane, classified by the ABS as very remote Australia. The area is administered by Charters Towers.
According to the 2021 Census, Basalt has a population of 215 with a median age of 45. The median weekly household income is $1,375, below the QLD average. The Indigenous population is 10 (4.7% of residents).
Housing in Basalt includes a median weekly rent of $160, median monthly mortgage repayment of $1,300, with 74 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 85.7% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Basalt scores in decile 7 out of 10, which is above the national average.
Basalt is part of the Charters Towers - Ayr - Ingham statistical area in Queensland.
Basalt details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4820 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 215 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $835/week |
| Median Weekly Rent (Census 2021) | $160 |
| Median Monthly Mortgage (Census 2021) | $1,300 |
| Average Household Size | 2.5 persons |
| Area | 14855.0 km² |
| Population Density | 0/km² |
| Total Dwellings | 74 |
| Australian Citizens | 79.5% |
| Indigenous Population | 10 (4.7%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -19.5245122 |
| Longitude | 145.7405281 |
| Distance from Brisbane | 1154 km |
| Region (SA4) | Townsville |
| Area (SA3) | Charters Towers - Ayr - Ingham |
| Local Government | Charters Towers |
| Federal Electorate | Kennedy |
| State Electorate | Traeger |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 25 (11.6%) |
| 15–24 years | 33 (15.3%) |
| 25–44 years | 56 (26.0%) |
| 45–64 years | 70 (32.6%) |
| 65+ years | 41 (19.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 14 (6.5%) |
| Asthma | 14 (6.5%) |
| Heart Disease | 10 (4.7%) |
| Diabetes | 6 (2.8%) |
| Cancer | 6 (2.8%) |
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 | 14 (23.0%) |
| 2 vehicles | 17 (27.9%) |
| 3+ vehicles | 30 (49.2%) |
Suburbs Near Basalt
Same Postcode (4820)
More Basalt 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.