Duncan SA 5223
57 addresses · 10 streets
Mayo Electorate › Kangaroo Island LGA › Duncan · 162 km from Adelaide
Living Here
Duncan is a suburb of South Australia, home to about 67 people, with a median age of 32. The typical household earns around $1,875 a week, with median rent near $158 a week. Most homes are houses. About 78% of households own their home and 22% rent. Most workers work from home. Common community backgrounds include Australian, English, Ancestry NS. On the ABS socio-economic scale it sits in decile 6 of 10 nationally — a mid-range area.
Over time — Census 2001 → 2021
Dashed line: district figures for the Kangaroo Island statistical area (SA2), the smallest area the ABS published before 2011. Solid line: Duncan itself.
Getting Around & Local Services
Socio-economic Standing
Deciles from 1 (lowest) to 10 (highest), against all Australian suburbs. The overall figure weighs advantage and disadvantage together; economic resources counts income and housing, and education & jobs counts qualifications and occupation. They often differ. Source: ABS SEIFA 2021.
Tree cover
🌳 Tree canopy: 38.8% share of land under canopy · satellite map, 2020

Green: 10 m cells where trees dominate, satellite 2021. Blue: water. The line is the suburb boundary.
| Canopy share, 1 m canopy height map, 2020 | 38.8% |
|---|---|
| Land with trees, 10 m satellite map, 2021 | 41.9% |
Demographics
Unemployment 4.8% · Labour-force participation 79.2%
Population by age in Duncan
| 0-4 | 10 |
|---|---|
| 5-14 | 9 |
| 15-19 | 3 |
| 20-24 | 3 |
| 25-34 | 15 |
| 35-44 | 11 |
| 45-54 | 8 |
| 55-64 | 5 |
| 65-74 | 8 |
| 75-84 | 0 |
| 85+ | 0 |
Dwelling types in Duncan
| House | 21 |
|---|---|
| Townhouse | 0 |
| Apartment | 0 |
| Other | 0 |
Households by weekly income in Duncan
| <$650 | 0 |
|---|---|
| $650-1,499 | 3 |
| $1,500-2,999 | 9 |
| $3,000+ | 3 |
Top ancestries in Duncan
| Australian | 36 |
|---|---|
| English | 21 |
| Ancestry NS | 10 |
| Dutch | 7 |
| Scottish | 4 |
| Other | 4 |
Housing tenure in Duncan
| Owned | 6 |
|---|---|
| Mortgage | 8 |
| Rented | 4 |
| Other | 0 |
Cars per household in Duncan
| 0 | 0 |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 5 |
| 4+ | 8 |
Commute to work in Duncan
| Car | 9 |
|---|---|
| Train | 0 |
| Bus | 0 |
| Tram/ferry | 0 |
| Walked | 0 |
| Bicycle | 0 |
| Home | 17 |
Birds & Wildlife Nearby
1,010 bird observations recorded near Duncan — most often seen:
- Rainbow Lorikeet (58)
- Little Raven (50)
- Crested Tern (46)
- Kangaroo Island Superb Fairy-wren (41)
- South Australian Crescent Honeyeater (39)
- Kangaroo Island Grey Currawong (38)
- New Holland Honeyeater (37)
- Superb Fairy-wren (36)
- Australian Magpie (35)
- Kangaroo Island Red Wattlebird (35)
- Scarlet Robin (34)
- Wedge-tailed Eagle (34)
- Australian Pelican (33)
Show all 30 birds recorded near Duncan
- Kangaroo Island Brown Thornbill (32)
- Red Wattlebird (32)
- Silver Gull (32)
- Cape Barren Goose (31)
- Eyre Peninsula Australian Magpie (31)
- Galah (30)
- Pacific Gull (30)
- Common Starling (29)
- Australian White Ibis (28)
- Eastern Scarlet Robin (28)
- Nankeen Kestrel (28)
- White-faced Heron (28)
- Crimson Rosella (27)
- Kangaroo Island Crimson Rosella (27)
- Kangaroo Island New Holland Honeyeater (27)
- Masked Lapwing (27)
- Silvereye (27)
Sightings reported by observers, not a survey, so the counts show what people record rather than what lives here. Source: Atlas of Living Australia.
Nearby Suburbs
The closest suburbs to Duncan:
- Middle River (10.3 km)
- Parndana (11.3 km)
- Newland (11.5 km)
- Stokes Bay (13.6 km)
- Seddon (16.3 km)
- Cassini (16.6 km)
- Western River (17 km)
- Gosse (19.3 km)
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Streets
- Ahwans Road (5)
- Coopers Road (4)
- Johncock Road (5)
- Mays Road (3)
- Morgans Road (5)
- Playford Highway (12)
- Stokes Bay Road (8)
- Tin Hut Road (5)
- Turkey Lane (5)
- Wetheralls Road (5)
