Wellesley Islands
QLDWellesley Islands is a growing suburb in QLD with 1,022 residents.
- SAL code
- 33026
- SA2
- 315021404
- Population
- 1,022
- LGA
- Mornington
Wellesley Islands, QLD had 1,022 residents at the 2021 Census, with the broader statistical area showing a 3.8% growth over the last five years. The predominant age group is 5-14 years, and the median age sits at 29. Households are most often couples with children, and those with a mortgage repay a median of $0 a month. The largest tenure type is rented at 100.0%. Most dwellings are townhouses or semi-detached homes, making up 59.5% of the suburb's housing stock. There is 1 school located inside the suburb. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?1,022
Suburb · Census 2021
5-Year Growth
+3.8%
3yr: +3.4% · 10yr: +2.7%
SA2 · 5yr
Household Income
$855/wk
Suburb · Census 2021 median
Median Age
29
Suburb · Census 2021
Socio-Economic Index
?1/10
SA2 · more disadvantaged
Unemployment
?16.7%
SA4 · Q4 2025
Schools
1
1 primary, 1 secondary
Hospitals
No data for this suburb
Childcare services
No data for this suburb
Parks & green space
No data for this suburb
Transport stops
No data for this suburb
Dwelling approvals
?0
Mornington · Feb 2026
Median House Sale Price
state Valuer-General sale price data not yet loaded for QLD
Safety & Crime
2025 Q4Reported incidents from QLD police. Offence rates may not reflect all crime.
Population over time — Carpentaria (SA2)
ABS publishes annual estimates only at SA2; Wellesley Islands suburb alone is ~1,022 (Census 2021).
Growth at a Glance
Population grew from 4,905 to 5,284 over 24 years, averaging 0.3% per year.
Schools
1 in suburbGovernment school catchment
Catchment data is not yet available for QLD.
Source when available: QLD Department of Education — QSpatial State School Catchment Areas.
Profile
Census snapshot
Housing
Public housing 73.1%Predominantly townhouses (59.5%), rental-heavy (100% renting), built for families (49% are 3 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Hazard data is not yet available for QLD.
Source when available: QLD Reconstruction Authority — Bushfire Prone Area + Floodplain Assessment Overlay.
Planning zones
Planning-zone data is not yet available for QLD.
Source when available: QLD Department of State Development, Infrastructure, Local Government and Planning.