Suburb profile
St Johns SA 5373
St Johns is located in the Barossa, Yorke and Mid North region of South Australia, postcode 5373. It has 8 properties across 5 streets, almost all houses. Explore every street in St Johns, its property history, homes for sale and rent, who lives there, and the local agents.
About St Johns
St Johns, SA 5373, sits in the Barossa, Yorke and Mid North region and neighbours Fords, Kapunda, Koonunga and Moppa. Its 5 streets hold 8 properties, all 8 of them houses.
Census figures are for the Light area, which covers the whole suburb. Light had 9,797 residents, a median age of 40 and an average household of 2.6 people. Median household income was $1,544 a week, the median mortgage repayment $1,328 a month and the median rent $260 a week. Of 3,487 dwellings, 3,387 were separate houses, 72 semi-detached, 6 flats and 16 other; 1,241 were owned outright, 1,651 owned with a mortgage and 480 rented.
Updated October 2026
Who lives in St Johns
- 9,797Peoplelive in the area
- 40Median ageyears
- $1,544Median household incomea week
- $260Median renta week
Homes by type
- Houses3,387
- Townhouses and semis72
- Flats and apartments6
- Other16
Household
- Median mortgage repayment$1,328a month
- Household size2.6people on average
How homes are held
Streets in St Johns
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.