Coulta vs Mount Dutton Bay
Coulta is the younger of the two, with a median age of 40 against 57 in Mount Dutton Bay. In both, the large majority of households own their home and the large majority of homes are detached houses. In Coulta, about half of households are couple families. In Mount Dutton Bay, the large majority of households are people living alone. On these figures, Coulta tends to suit families with children, while Mount Dutton Bay suits people living alone and older residents.
Which one suits you?
There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.
Families with school-age kids
Coulta
ahead on 2 of the 5 things we measure here
- has more parks and reserves (15 vs 0)
- carries lower crime risk (23/100 vs 77/100)
Weighs schools, house stock, crime, parks, and childcare.
First-home buyers
Too close to call
Nothing among the 1 things we measure here separates them by enough to be worth acting on.
Weighs mortgage stress.
Renters
Coulta
ahead on 2 of the 2 things we measure here
- leaves renters under less rental stress (11% vs 26%)
- has cheaper rent ($150/wk vs $300/wk)
Weighs rent and rental stress.
Commuting to the city
Coulta
ahead on 2 of the 3 things we measure here
- has a shorter drive in (449 min vs 460 min)
- sits closer to the CBD (676.8 km vs 692.3 km)
Weighs distance, drive time, and walkability.
Downsizers and retirees
They split
one each way, out of the 4 things we measure here
- Coulta carries lower crime risk (23/100 vs 77/100)
- Mount Dutton Bay has more residents already 65 and over (42% vs 11%)
Weighs who already lives there, GPs, walkability, and crime.
Investors
Too close to call
Nothing among the 1 things we measure here separates them by enough to be worth acting on.
Weighs population growth.
Where they sit
Coulta and Mount Dutton Bay drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.
Side by side, out of 100
Risks are inverted — shown as safety and low exposure — so a longer bar always means better.
Demographics
Coulta has more residents (213 vs 53); Mount Dutton Bay rents higher ($300/wk vs $150/wk).
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Population | 213 +75% vs other | 53 |
| Population trend (2016 → 2021) | +9.2% | +12.8% |
| Median age | 40 | 57 |
| Median household income | $72,124/yr +15% vs other | $61,048/yr |
| Median weekly rent | $150/wk | $300/wk +100% vs other |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (34.0%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
What people live in
Occupied private dwellings by structure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (19.7%).
Zoning mix
Coulta has more rural and farming land (96% vs 31%); Mount Dutton Bay has more land zoned for conservation (66% vs 4%).
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Rural and farming | 96% | 31% |
| Environmental | 4% | 66% |
| Residential | 0% | 2% |
| Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09. | ||
Development activity
| Coulta | Mount Dutton Bay | |
|---|---|---|
| New dwellings approved | 39 across Lower Eyre Peninsula same for both | |
| Approvals change year on year | +29% same for both | |
Ranking within SA
| Coulta | Mount Dutton Bay | |
|---|---|---|
| House price | — same for both | |
| Income | Higher than 46% of SA | Higher than 29% of SA |
| Schools | — same for both | |
| Walkability | Higher than 33% of SA | Higher than 22% of SA |
| Affordability | — same for both | |
| EV adoption | Higher than 3% of SA | Higher than 2% of SA |
| NBN connectivity | Higher than 30% of SA | Higher than 57% of SA |
Liveability
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Grade | — same for both | |
| Score | — same for both | |
| Socio-economic band | below-average income decile 3/10 same for both | |
Risk profile
Coulta carries more bushfire risk (67 vs 0); Mount Dutton Bay carries more crime risk (77 vs 23).
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Bushfire | Moderate 67/100 | None 0/100 |
| Crime | Low 23/100 | High 77/100 |
| Flood | — same for both | |
| Coastal erosion | Low 28/100 | Moderate 63/100 |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 0 within 5 km same for both | |
Schools
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Inside the suburb | 0 same for both | |
| Rated above peers | 0 same for both | |
| Rated at peers | 0 same for both | |
| Rated below peers | 0 same for both | |
Amenities in the suburb
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Parks & reserves | 15 | 0 |
| Waterways | 3 | 0 |
Mobility
Mount Dutton Bay sits further from the CBD (692.3 km vs 676.8 km).
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Walkability score | 0/100 same for both | |
| Distance to Adelaide | 676.8 km | 692.3 km +2% vs other |
| Drive time (normal traffic) | 449 min | 460 min |
| Electric vehicle share | 0.1% postcode 5607 same for both | |
| Rooftop solar per 100 dwellings | 59 postcode 5607 same for both | |
How people get to work
Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.
Bars are drawn against the largest share shown (64.3%).
Setting
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Elevation | 81 m above sea level, at the suburb centre | 21 m above sea level, at the suburb centre |
| Distance to the ocean | 9.5 km | 663 m |
NBN connectivity
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Connectivity score | 19/100 | 30/100 |
| Most common technology | Satellite (Sky Muster) | Fixed wireless |
| Full-fibre (FTTP) share | 0% 55 premises | 0% 38 premises |
Council rates
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Average residential rate | $1,789/yr same for both | |
| Council | Lower Eyre Peninsula same for both | |
Federal electorate
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Division | Grey same for both | |
| Member | Tom Venning same for both | |
| Party | Liberal same for both | |
First Home Owner Grant
| Coulta | Mount Dutton Bay | |
|---|---|---|
| Grant amount | $15,000 same for both | |
| Property price cap | — same for both | |
| Eligibility | New same for both | |
Tags
More comparisons
Other comparisons with Coulta
Other comparisons with Mount Dutton Bay
Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.