South Australia · Postcode 5271
Mount Light postcode and suburb data
South Australia · Phone area code 08 · 304 km from Adelaide
Suburb snapshot
Mount Light at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Mount Light ranks: household income is in the top 25% of SA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Light vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Light | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,937 +SA | $1,545 | $1,836 |
| Rent/wk | $250 -SA | $308 | $390 |
| Mortgage/month | $1,000 -SA | $1,558 | $1,958 |
| Median age | 46 | 45.0 | 45.0 |
| SEIFA decile | 8/10 +SA | 5.0/10 | 6.0/10 |
| Unemployment | 0.0% -SA | 6.0% | 5.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Mount Light is a remote community in South Australia, with postcode 5271. It lies roughly 304 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Naracoorte Lucindale.
According to the 2021 Census, Mount Light has a population of 155 with a median age of 46. The median weekly household income is $1,937, above the SA average.
Housing in Mount Light includes a median weekly rent of $250, median monthly mortgage repayment of $1,000, with 54 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Light scores in decile 8 out of 10, which is above the national average.
Mount Light is part of the Limestone Coast statistical area in South Australia.
Mount Light details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5271 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 155 |
| Median Age | 46 years |
| Median Household Income (Census 2021) | $1,937/week |
| Median Personal Income (Census 2021) | $830/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $1,000 |
| Average Household Size | 2.7 persons |
| Area | 51.6 km² |
| Population Density | 3/km² |
| Total Dwellings | 54 |
| Australian Citizens | 98.1% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -37.0150066 |
| Longitude | 140.7796618 |
| Distance from Adelaide | 304 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Limestone Coast |
| Local Government | Naracoorte Lucindale |
| Federal Electorate | Barker |
| State Electorate | Mackillop |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 26 (16.8%) |
| 15–24 years | 25 (16.1%) |
| 25–44 years | 26 (16.8%) |
| 45–64 years | 42 (27.1%) |
| 65+ years | 31 (20.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 14 (9.0%) |
| Arthritis | 8 (5.2%) |
| Diabetes | 7 (4.5%) |
| Heart Disease | 7 (4.5%) |
| Lung Condition | 6 (3.9%) |
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 (22.2%) |
| 2 vehicles | 25 (39.7%) |
| 3+ vehicles | 24 (38.1%) |
Suburbs Near Mount Light
Same Postcode (5271)
More Mount Light 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.