Suburb profile

Tarnma SA 5413

Tarnma is located in the Barossa, Yorke and Mid North region of South Australia, postcode 5413. It has 26 properties across 7 streets, almost all houses. Explore every street in Tarnma, its property history, homes for sale and rent, who lives there, and the local agents.

About Tarnma

Tarnma, SA 5413, sits in the Barossa, Yorke and Mid North region and neighbours Buchanan, Hamilton, Marrabel and Ngapala. Its 7 streets hold 26 properties, all of them houses.

At the 2021 Census the Gilbert Valley area, whose figures are used here, had 5,016 residents, a median age of 51 and an average household of 2.3 people. Median household income was $1,257 a week, the median mortgage repayment $1,100 a month and the median rent $225 a week. Of 2,000 dwellings, 1,913 were separate houses, 65 semi-detached and 12 other; 905 were owned outright, 682 owned with a mortgage and 322 rented.

Updated October 2026

Who lives in Tarnma

  • 5,016Peoplelive in the area
  • 51Median ageyears
  • $1,257Median household incomea week
  • $225Median renta week

Homes by type

  • Houses1,913
  • Townhouses and semis65
  • Other12

Household

  • Median mortgage repayment$1,100a month
  • Household size2.3people on average

How homes are held

Owned outright 905Owned with a mortgage 682Rented 322Other 91

Streets in Tarnma

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.