SuburbCheck

Gladstone vs Summer Island

The verdict

Gladstone is more affordable, with a median house price of $696K versus $910K in Summer Island. Gladstone rates higher for liveability (33 vs 22). Summer Island rates higher for education (33 vs 28).

Scores

GladstoneSummer Island
GladstoneSummer Island
Overall2018
Transport00
Education2833
Liveability3322

Overall is based on transport, liveability & education — the metrics available at consistent quality nationwide. Residential safety is compared separately below.

Demographics

GladstoneSummer Island
Population43793
Median age4741
Median household income (wk)$1,281$2,100
Bachelor degree or higher20.8%26.4%
Born in Australia86.0%96.8%
Avg household size2.53.1

Growth: Gladstone Stable · Summer Island Stable

Property

GladstoneSummer Island
Median house price$696K$910K
Median unit priceData not availableData not available
House price YoYData not availableData not available
Median rent — house (wk)$500$500
Rental yield (house)Data not availableData not available
Days on market (house)Data not availableData not available

Median price history

Safety

GladstoneSummer Island
Residential safety score
Break & enter dwelling /100k00
Motor vehicle theft /100k00
Domestic assault /100k9150
Total incidents /100k (all)8,4671,075

Total incidents over time

Schools

GladstoneSummer Island
Total schools10
Government10
Independent00
Average ICSEA942Data not available

See the full school list on each profile: Gladstone · Summer Island

Transport

GladstoneSummer Island
Transport score00
Train stations00
Bus stops00
Light rail stops00
Ferry wharves00
CBD commute (min)Data not availableData not available
Nearest train station (km)13.8 km16.1 km

Liveability

GladstoneSummer Island
Summer max temp27.0°C27.0°C
Winter max temp19.0°C19.0°C
Annual rainfall (mm)1,5001,500
Supermarkets00
Cafes & restaurants30
Parks20
Playgrounds1Data not available
Swimming pools2Data not available
Medical GPs00
Distance to coast (km)7.2 km7.1 km
Distance to CBD (km)357.7 km360.9 km
Nearest beach (km)8.4 km7.3 km
Nearest hospital (km)14.4 km16.4 km

Population & growth

GladstoneSummer Island
Population (2021)43793
Estimated 202544695
Projected 204144494
Annual growth rate0.51%0.53%

Common questions

Which is more affordable, Gladstone or Summer Island?

Gladstone is more affordable, with a median house price of $696K versus $910K.

Which has better public transport, Gladstone or Summer Island?

Gladstone and Summer Island have similar transport scores.

Try another comparison

Compare two suburbs

Gladstone

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SuburbCheck

A free, data-driven tool to compare Australian suburbs on safety, schools, transport, property and liveability — built from public government data.

Data sources

ABS Census & ERP · Valuers-General · BOCSAR & state crime agencies · GTFS · ACARA · Bureau of Meteorology · OpenStreetMap.

Data is from public sources and may not reflect current conditions. Figures are indicative and should not be the sole basis for property or relocation decisions.

© 2026 SuburbCheck · Data refreshed quarterly.