Mount Gambier suburb profile
Mount Gambier is the principal regional centre of the Limestone Coast, set around a volcanic crater rim and best known for the striking Blue Lake, the Umpherston Sinkhole and the Valley Lake precinct. The city combines parkland and limestone features with a working regional centre of shops, health and education services, an airport and regular road links. Residences range from Victorian and early twentieth century cottages on tree-lined streets to mid-century homes and newer suburban estates, and the community includes long-term locals, families and retirees who value easy access to walking tracks, caves, gardens, galleries, cafes and the nearby coastline and farming country.
Mount Gambier property market performance
Current median dwelling price$515,750Past 3 months
Property growth+20.2%Past 12 months
The median house price is $600,000 and the median unit price is $431,500. House values rose sharply, up 10.8% over the last 12 months, while unit values rose sharply, up 29.6%, so unit values have grown more strongly than house values.
Over the last 3 months 111 houses and 20 units sold. Over the last 12 months houses sold in a median of 63 days and units in a median of 57 days, so they sold in a similar time.
The rental market in Mount Gambier shows average house rents at $470 a week and unit rents at $335 a week. House rents rose a modest 4.4% and unit rents rose sharply, up 13.6% over the last 12 months, so unit rents grew more strongly than house rents.
| Houses | Units | |
|---|---|---|
Median price Past 3 months | $600K | $432K |
Change in value Past 12 months | 10.8% | 29.6% |
Sold Past 3 months | 111 | 20 |
Median days on market Past 12 months | 63 | 57 |
Average rent Past 12 months | $470 | $335 |
Change in rent Past 12 months | 4.4% | 13.6% |
5 year median price trend for houses and units
Mount Gambier demographics
The suburb has a population of 25,591 and a median age of 41. The median total household income is $1,197 a week, roughly $62,244 a year.
Families are dominated by couples: couple families without children are the largest group at 43.3%, while couple families with children make up 35.3%. One-parent families account for 19.9% and other families 1.5%. Together, couple families with and without children represent just under four in five families.
Homes in Mount Gambier are mostly owner-occupied: about two-thirds (65.9%) are owned, with 32.1% owned outright and 33.8% owned with a mortgage, while 34.2% are rented.
Mount Gambier infrastructure, key developments and investment opportunities
Mount Gambier has seen a number of recent public infrastructure projects. The Mount Gambier and Districts Health Service has undergone a substantial hospital redevelopment that has been delivered, providing expanded acute services including a 22-bed inpatient ward, additional emergency treatment spaces and larger outpatient areas. The Mount Gambier Regional Airport redevelopment was completed in 2021, delivering an extended runway, upgraded airside works and a larger terminal. The State Government’s 2024–25 budget also allocated $6 million for upgrades at Mount Gambier High School.
Regional road works and precinct planning are also active in the area. The Department for Infrastructure and Transport completed upgrades to several roundabouts on the Princes Highway as part of broader corridor works, and the City of Mount Gambier business plan identifies master planning for Umpherston Sinkhole/Balumbul with further master planning proposed for Vansittart Park, Olympic Park and Hastings Cunningham Reserve. Nearby, the Mount Gambier and District Saleyards Transformation Project has been funded and is progressing.
Suburbs near Mount Gambier
Some popular suburbs near Mount Gambier include:
How does Mount Gambier compare to nearby suburbs?
- Median house prices: Mount Gambier’s median house price is 6.2% higher than Suttontown’s.
- House price growth: Property prices in nearby Ob Flat have risen 29.2% more than in Mount Gambier over the past year.
- Selling speed for houses: Properties in Mount Gambier are selling 44.2% faster than in Suttontown.

