Suburb profile
Thornlea SA 5280
Thornlea is located in the South East South Australia region of South Australia, postcode 5280. It has 41 properties across 13 streets, almost all houses. Explore every street in Thornlea, its property history, homes for sale and rent, who lives there, and the local agents.
About Thornlea
Thornlea, SA 5280, sits in the South East South Australia region and neighbours Clay Wells, Kangaroo Inn, Magarey and Hatherleigh. Its 13 streets hold 41 properties, all of them houses.
Census figures are for the Wattle Range area, not the suburb alone. At the 2021 Census Wattle Range had 3,470 residents, a median age of 49 and an average household of 2.4 people. Median household income was $1,351 a week, the median mortgage repayment $1,006 a month and the median rent $177 a week. Of 1,293 dwellings, 1,283 were separate houses, 5 semi-detached and 5 other; 624 were owned outright, 450 owned with a mortgage and 133 rented.
Updated October 2026
Who lives in Thornlea
- 3,470Peoplelive in the area
- 49Median ageyears
- $1,351Median household incomea week
- $177Median renta week
Homes by type
- Houses1,283
- Townhouses and semis5
- Other5
Household
- Median mortgage repayment$1,006a month
- Household size2.4people on average
How homes are held
Streets in Thornlea
- Beachport-Furner Road12 properties
- Beachport-Penola Road4 properties
- Cowan Lane1 property
- Elgin Lane3 properties
- Hogans Lane1 property
- Kemps Road2 properties
- Magareys Lane1 property
- Mount Hope Road3 properties
- Piccaninny Lane7 properties
- Princes Highway2 properties
- Stuckey Lane1 property
- Whitehead Road1 property
- Wire Paddock Road3 properties
Neighbouring suburbs
Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.
Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.
Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.