Suburb profile

Biggs Flat SA 5153

Biggs Flat is located in the Adelaide Central and Hills region of South Australia, postcode 5153. It has 37 properties across 8 streets, almost all houses. Explore every street in Biggs Flat, its property history, homes for sale and rent, who lives there, and the local agents.

About Biggs Flat

Biggs Flat, SA 5153, sits in the Adelaide Central and Hills region and neighbours Chapel Hill, Hahndorf, Mylor and Echunga. Its 8 streets hold 37 properties, all of them houses.

Census figures are for the Hahndorf - Echunga area, which had 4,726 residents, a median age of 48 and an average household of 2.6 people. Median household income was $1,926 a week, the median mortgage repayment $1,900 a month and the median rent $345 a week. Of 1,682 dwellings, 1,526 were separate houses, 76 semi-detached, 24 flats and 39 other; 717 were owned outright, 666 owned with a mortgage and 223 rented.

Updated October 2026

Who lives in Biggs Flat

  • 4,726Peoplelive in the area
  • 48Median ageyears
  • $1,926Median household incomea week
  • $345Median renta week

Homes by type

  • Houses1,526
  • Townhouses and semis76
  • Flats and apartments24
  • Other39

Household

  • Median mortgage repayment$1,900a month
  • Household size2.6people on average

How homes are held

Owned outright 717Owned with a mortgage 666Rented 223Other 76

Streets in Biggs Flat

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.