Suburb profile
Ob Flat SA 5291
Ob Flat is located in the South East South Australia region of South Australia, postcode 5291. It has 304 properties across 23 streets, almost all houses. Explore every street in Ob Flat, its property history, homes for sale and rent, who lives there, and the local agents.
About Ob Flat
Ob Flat, SA 5291, sits in the South East South Australia region and neighbours Caveton, Mount Gambier, Mount Schank and Square Mile. Its 23 streets hold 304 properties, all of them houses.
Census figures are for Mount Gambier - East, an area that covers part of the suburb. It had 14,947 residents, a median age of 41 and an average household of 2.4 people. Median household income was $1,348 a week, the median mortgage repayment $1,200 a month and the median rent $220 a week. Of 5,816 dwellings, 4,854 were separate houses, 573 semi-detached and 364 flats; 11 were other dwellings. Of the same 5,816, 1,867 were owned outright, 2,142 owned with a mortgage and 1,666 rented.
Updated October 2026
Who lives in Ob Flat
- 14,947Peoplelive in the area
- 41Median ageyears
- $1,348Median household incomea week
- $220Median renta week
Homes by type
- Houses4,854
- Townhouses and semis573
- Flats and apartments364
- Other11
Household
- Median mortgage repayment$1,200a month
- Household size2.4people on average
How homes are held
Streets in Ob Flat
- Berkefeld Road25 properties
- Blockers Lane23 properties
- Blue Water Court23 properties
- Childs Road8 properties
- Clarke Road9 properties
- Glenelg River Road27 properties
- Hill Road8 properties
- Johnston Road17 properties
- Kilsby Road14 properties
- Lakes Park Drive48 properties
- Landscape Lane5 properties
- Louden Hill Road4 properties
- Mccormick Road17 properties
- Melleray Court7 properties
- Ob Flat Road10 properties
- Riddoch Highway2 properties
- Ridge Road16 properties
- Sinclair Road9 properties
- Valley Court5 properties
- Whitehead Road14 properties
- Whites Flat Road6 properties
- Woodlands Road3 properties
- Yahl Hall Road4 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.