Tumby Bay vs Koppio
Koppio is the younger of the two, with a median age of 53 against 57 in Tumby Bay. In both, the large majority of households own their home and the large majority of homes are detached houses. In Tumby Bay, most households are people living alone. In Koppio, most households are couple families. On these figures, Tumby Bay tends to suit people living alone and older residents, while Koppio suits couples.
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
Koppio
ahead on 2 of the 6 things we measure here
- is already more of a family suburb (59% vs 36%)
- has more separate houses rather than flats (100% vs 84%)
- But Tumby Bay has more schools rated above their peers (1 vs 0)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Tumby Bay
ahead on the one thing that separates them
- leaves households under less mortgage stress (26% vs 33%)
Weighs mortgage stress.
Renters
Tumby Bay
ahead on the one thing that separates them
- has cheaper rent ($220/wk vs $250/wk)
Weighs rent and rental stress.
Commuting to the city
Tumby Bay
ahead on 3 of the 3 things we measure here
- is more walkable (53/100 vs 0/100)
- has a shorter drive in (395 min vs 414 min)
- sits closer to the CBD (603.4 km vs 629.1 km)
Weighs distance, drive time, and walkability.
Downsizers and retirees
Tumby Bay
ahead on 2 of the 4 things we measure here
- is more walkable (53/100 vs 0/100)
- has more residents already 65 and over (39% vs 23%)
Weighs who already lives there, GPs, walkability, and crime.
Investors
Tumby Bay
ahead on the one thing that separates them
- is growing faster (9.2% vs -3.2%)
Weighs population growth.
Where they sit
Tumby Bay and Koppio 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
Tumby Bay has more residents (1,781 vs 61); Koppio rents higher ($250/wk vs $220/wk).
| Tumby Bay | Koppio | |
|---|---|---|
| Population | 1,781 +97% vs other | 61 |
| Population trend (2016 → 2021) | +9.2% | -3.2% |
| Median age | 57 | 53 |
| Median household income | $55,016/yr | $61,724/yr +12% vs other |
| Median weekly rent | $220/wk | $250/wk +14% vs other |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (19.2%).
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 (17.2%).
Property market
| Tumby Bay | Koppio | |
|---|---|---|
| Median house price | $483,750 | — |
| Median unit price | $350,000 | — |
| Median land price | $215,000 | — |
| Typical days to sell (houses) | 44 days from 16 sales | — |
Zoning mix
Koppio has more rural and farming land (99% vs 84%); Tumby Bay has more land zoned for conservation (13% vs 0%).
| Tumby Bay | Koppio | |
|---|---|---|
| Rural and farming | 84% | 99% |
| Environmental | 13% | 0% |
| 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
| Tumby Bay | Koppio | |
|---|---|---|
| New dwellings approved | 13 across Tumby Bay same for both | |
| Approvals change year on year | -50% same for both | |
Gross rental yield
| Tumby Bay | Koppio | |
|---|---|---|
| Houses | 4.3% $500/wk on $600K | — |
| Units | — same for both | |
Ranking within SA
| Tumby Bay | Koppio | |
|---|---|---|
| House price | — same for both | |
| Income | Higher than 20% of SA | Higher than 29% of SA |
| Schools | — same for both | |
| Walkability | Higher than 81% of SA | Higher than 33% of SA |
| Affordability | — same for both | |
| EV adoption | — | Higher than 3% of SA |
| NBN connectivity | Higher than 73% of SA | Higher than 27% of SA |
| Rental yield (houses) | Higher than 82% of SA | — |
Liveability
Tumby Bay is more walkable (53 vs 0).
| Tumby Bay | Koppio | |
|---|---|---|
| Grade | D | — |
| Score | 22/100 | — |
| Socio-economic band | below-average income decile 3/10 | mid-range socio-economic decile 5/10 |
Risk profile
| Tumby Bay | Koppio | |
|---|---|---|
| Bushfire | Moderate 68/100 | High 75/100 |
| Crime | Moderate 49/100 | Moderate 40/100 |
| Flood | — same for both | |
| Coastal erosion | High 80/100 | None 0/100 |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 0 within 5 km same for both | |
Schools
| Tumby Bay | Koppio | |
|---|---|---|
| Inside the suburb | 1 | 0 |
| Rated above peers | 1 | 0 |
| Rated at peers | 0 same for both | |
| Rated below peers | 0 same for both | |
Schools in Tumby Bay
- Tumby Bay Area School Government · Combined above peers
Schools in Koppio
No schools recorded inside this suburb's boundary. Children here will be zoned to schools nearby.
Amenities in the suburb
| Tumby Bay | Koppio | |
|---|---|---|
| Supermarkets | 2 | 0 |
| Cafes & restaurants | 3 | 0 |
| Parks & reserves | 3 | 5 |
| Childcare | 2 | 0 |
| GPs | 1 | 0 |
| Pharmacies | 1 | 0 |
| Hospitals | 1 | 0 |
| Police stations | 1 | 0 |
| Banks & Bank@Post | 2 | 0 |
| Fuel stations | 3 | 0 |
| Waterways | 3 | 1 |
Mobility
Koppio sits further from the CBD (629.1 km vs 603.4 km).
| Tumby Bay | Koppio | |
|---|---|---|
| Walkability score | 53/100 | 0/100 |
| Distance to Adelaide | 603.4 km | 629.1 km +4% vs other |
| Drive time (normal traffic) | 395 min | 414 min |
| Electric vehicle share | 0.0% postcode 5605 | 0.1% postcode 5607 |
| Rooftop solar per 100 dwellings | 62 postcode 5605 | 59 postcode 5607 |
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 (77.7%).
Setting
| Tumby Bay | Koppio | |
|---|---|---|
| Elevation | 7 m above sea level, at the suburb centre | 160 m above sea level, at the suburb centre |
| Distance to the ocean | 201 m | 13.2 km |
NBN connectivity
| Tumby Bay | Koppio | |
|---|---|---|
| Connectivity score | 44/100 | 16/100 |
| Most common technology | Fibre to the node | Satellite (Sky Muster) |
| Full-fibre (FTTP) share | 0% 1,081 premises | 0% 11 premises |
Council rates
| Tumby Bay | Koppio | |
|---|---|---|
| Average residential rate | $1,976/yr same for both | |
| Council | Tumby Bay same for both | |
Federal electorate
| Tumby Bay | Koppio | |
|---|---|---|
| Division | Grey same for both | |
| Member | Tom Venning same for both | |
| Party | Liberal same for both | |
First Home Owner Grant
| Tumby Bay | Koppio | |
|---|---|---|
| Grant amount | $15,000 same for both | |
| Property price cap | — same for both | |
| Eligibility | New same for both | |
Tags
More comparisons
Other comparisons with Tumby Bay
Other comparisons with Koppio
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.