Nepean Bay SA 5223
263 addresses · 16 streets
Mayo Electorate › Kangaroo Island LGA › Nepean Bay · 128 km from Adelaide
Living Here
Nepean Bay is a suburb of South Australia, home to about 140 people, with a median age of 51. The typical household earns around $875 a week, with median rent near $235 a week. Most homes are houses. About 94% of households own their home and 6% rent. Most workers drive to work. Common community backgrounds include English, Australian, 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: Nepean Bay itself.
Getting Around & Local Services
1 hospital
1 golf club
Getting around. Airport: Kingscote Airport, 7.2 km west.
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: 19.3% 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 | 19.3% |
|---|---|
| Land with trees, 10 m satellite map, 2021 | 20.1% |
Demographics
Unemployment 1.6% · Labour-force participation 52.9%
Population by age in Nepean Bay
| 0-4 | 0 |
|---|---|
| 5-14 | 14 |
| 15-19 | 3 |
| 20-24 | 3 |
| 25-34 | 11 |
| 35-44 | 9 |
| 45-54 | 23 |
| 55-64 | 28 |
| 65-74 | 24 |
| 75-84 | 3 |
| 85+ | 4 |
Dwelling types in Nepean Bay
| House | 55 |
|---|---|
| Townhouse | 0 |
| Apartment | 0 |
| Other | 0 |
Households by weekly income in Nepean Bay
| <$650 | 22 |
|---|---|
| $650-1,499 | 13 |
| $1,500-2,999 | 11 |
| $3,000+ | 9 |
Top ancestries in Nepean Bay
| English | 69 |
|---|---|
| Australian | 52 |
| Ancestry NS | 13 |
| Irish | 11 |
| Italian | 11 |
| German | 8 |
Housing tenure in Nepean Bay
| Owned | 28 |
|---|---|
| Mortgage | 20 |
| Rented | 3 |
| Other | 0 |
Cars per household in Nepean Bay
| 0 | 0 |
|---|---|
| 1 | 20 |
| 2 | 25 |
| 3 | 11 |
| 4+ | 6 |
Commute to work in Nepean Bay
| Car | 42 |
|---|---|
| Train | 0 |
| Bus | 0 |
| Tram/ferry | 0 |
| Walked | 4 |
| Bicycle | 0 |
| Home | 11 |
Top countries of birth in Nepean Bay
| England | 16 |
|---|---|
| Scotland | 6 |
| Italy | 4 |
| South Africa | 3 |
Languages used at home in Nepean Bay
| German | 3 |
|---|
Birds & Wildlife Nearby
1,257 bird observations recorded near Nepean Bay — most often seen:
- Australian Pied Oystercatcher (87)
- Kangaroo Island Superb Fairy-wren (81)
- Kangaroo Island Grey Currawong (74)
- Little Raven (63)
- Kangaroo Island Red Wattlebird (57)
- South Australian Crescent Honeyeater (54)
- Kangaroo Island Brown Thornbill (52)
- South Australian Silvereye (49)
- Kangaroo Island New Holland Honeyeater (45)
- Rainbow Lorikeet (45)
- White-faced Heron (40)
- Superb Fairy-wren (39)
- Australian Shelduck (38)
Show all 30 birds recorded near Nepean Bay
- Black Swan (38)
- Australian Magpie (37)
- Kangaroo Island Spotted Scrubwren (37)
- Masked Lapwing (36)
- South Australian Golden Whistler (34)
- Grey Fantail (33)
- Southern Masked Lapwing (33)
- Giinbaywarraymal (31)
- Silvereye (31)
- West Coast Pacific Gull (31)
- Red Wattlebird (30)
- South-eastern Grey Fantail (30)
- Purple-crowned Lorikeet (29)
- Common Greenshank (28)
- Kangaroo Island White-eared Honeyeater (26)
- Eastern Scarlet Robin (25)
- Australian Pelican (24)
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 Nepean Bay:
- Cygnet River (7 km)
- Brownlow Ki (7.7 km)
- Kingscote (9.8 km)
- Birchmore (10.2 km)
- Haines (10.9 km)
- Menzies (13.6 km)
- Bay Of Shoals (14 km)
- Wisanger (14.8 km)
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Streets
- Bay View Road (6)
- Bayview Road (8)
- Capstan Street (4)
- Elsegood Road (1)
- Flea Castle Road (1)
- Halyard Road (5)
- Hog Bay Road (7)
- Keel Street (1)
- Marina Crescent (22)
- Min Oil Road (17)
- Nepean Esplanade (61)
- Ocean View Drive (62)
- Point Morrison Road (3)
- Sea Vista Road (58)
- Wallers Road (1)
- Western Cove Road (6)
