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Queensland · Postcode 4870
Portsmith postcode and suburb data
Queensland · Phone area code 07 · 1388 km from Brisbane
Suburb snapshot
Portsmith 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.
Where Portsmith ranks: household income sits in the bottom 10% of QLD suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Portsmith vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Portsmith | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $749 -QLD | $1,770 | $1,836 |
| Rent/wk | $280 -QLD | $380 | $390 |
| Mortgage/month | $1,760 ≈QLD | $1,774 | $1,958 |
| Median age | 35 | 44.0 | 45.0 |
| SEIFA decile | 2/10 -QLD | 4.0/10 | 6.0/10 |
| Unemployment | 19.7% +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.
Portsmith (4870) is a coastal town in regional Queensland. It lies around 1388 km from Brisbane by road. The locality is part of the Cairns - South statistical area. It is administered by Cairns.
According to the 2021 Census, Portsmith has a population of 314 with a median age of 35. The median weekly household income is $749, below the QLD average. The unemployment rate is 19.7%, higher than the QLD average. The Indigenous population is 82 (26.1% of residents).
Housing in Portsmith includes a median weekly rent of $280, median monthly mortgage repayment of $1,760, with 42 total dwellings. Housing costs in the area sit below the QLD average. Rental properties account for 40.0% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Portsmith scores in decile 2 out of 10, which is well below the national average.
Portsmith is part of the Cairns - South statistical area in Queensland.
Portsmith details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4870 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 314 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $749/week |
| Median Personal Income (Census 2021) | $491/week |
| Median Weekly Rent (Census 2021) | $280 |
| Median Monthly Mortgage (Census 2021) | $1,760 |
| Average Household Size | 1.9 persons |
| Area | 15.2 km² |
| Population Density | 21/km² |
| Total Dwellings | 42 |
| Australian Citizens | 53.2% |
| Indigenous Population | 82 (26.1%) |
| Unemployment Rate | 19.7% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -16.9405957 |
| Longitude | 145.7678798 |
| Distance from Brisbane | 1388 km |
| Region (SA4) | Cairns |
| Area (SA3) | Cairns - South |
| Local Government | Cairns |
| Federal Electorate | Leichhardt |
| State Electorate | Mulgrave |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 39 (12.4%) |
| 15–24 years | 80 (25.5%) |
| 25–44 years | 76 (24.2%) |
| 45–64 years | 89 (28.3%) |
| 65+ years | 45 (14.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Diabetes | 24 (7.6%) |
| Heart Disease | 19 (6.1%) |
| Arthritis | 15 (4.8%) |
| Asthma | 13 (4.1%) |
| Dementia | 11 (3.5%) |
| Lung Condition | 3 (1.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 4 (12.5%) |
| 1 vehicle | 13 (40.6%) |
| 2 vehicles | 10 (31.2%) |
| 3+ vehicles | 5 (15.6%) |
Suburbs Near Portsmith
Same Postcode (4870)
More Portsmith 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.