Mount Gambier
SAMount Gambier is a stable suburb in SA with 25,591 residents.
- SAL code
- 40947
- SA2
- 407021173
- Population
- 25,591
- LGA
- Mount Gambier
Mount Gambier, SA had 25,591 residents at the 2021 Census, with the broader statistical area showing a 1.4% growth over the last five years. The predominant age group is 55-64 years, and the median age sits at 41. Households are most often couples with children, and those with a mortgage repay a median of $1,083 a month. Around 65.9% of homes are owner-occupied, with the largest single tenure being rented at 34.2%. Most dwellings are separate houses, making up 77.0% of the suburb's housing stock. The suburb has 55 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?25,591
Suburb · Census 2021
5-Year Growth
+1.4%
3yr: +0.9% · 10yr: +3.8%
SA2 · 5yr
Household Income
$1,197/wk
Suburb · Census 2021 median
Median Age
41
Suburb · Census 2021
Socio-Economic Index
?2/10
SA2 · more disadvantaged
Unemployment
?4.2%
SA4 · Q4 2025
Schools
20
5 primary, 2 secondary
Hospitals
?1
Within suburb
Childcare services
?18
8 long day, 5 OSHC
Parks & green space
?55
Parks, reserves
Transport stops
No data for this suburb
Dwelling approvals
?13
Mount Gambier · Feb 2026
Median Weekly Rent
Based on rental bond lodgements recorded by the state government.
Median House Sale Price
state Valuer-General sale price data not yet loaded for SA
Safety & Crime
2025 Q4Reported incidents from SA police. Offence rates may not reflect all crime.
Population over time — Mount Gambier - East (SA2)
ABS publishes annual estimates only at SA2; Mount Gambier suburb alone is ~25,591 (Census 2021).
Growth at a Glance
Population grew from 12,952 to 15,591 over 24 years, averaging 0.8% per year.
Schools
20 in suburbGovernment school catchment
Intake zonePrimary
Reidy Park Primary School28.6%
- McDonald Park School 21.6%
Secondary
No catchment
Source: SA Department for Education — School Zones (primary + high). Boundaries can be amended without notice; confirm with the school before relying on enrolment.
Profile
Census snapshot
Housing
Public housing 7.3%Almost entirely detached houses (77%), mixed tenure (66% own or mortgage), built for families (55% are 3 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Bushfire
Source: SA DHUD Bushfire Protection Areas
As of May 2026
Flood
Source: SA DEW Flood Mapping
As of May 2026
Overlap is the percentage of the suburb's land area inside the mapped hazard polygons. Always verify the exact property address with the relevant authority before making decisions.
Planning zones
14 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| SUBURBAN_NEIGHBOURHOOD | Suburban NeighbourhoodResidential | 49.5% | 13.27 km² |
| CONSERVATION | ConservationEnvironmental | 14.4% | 3.85 km² |
| STRATEGIC_EMPLOYMENT | Strategic EmploymentIndustrial | 8.7% | 2.34 km² |
| EMPLOYMENT | EmploymentIndustrial | 6.3% | 1.69 km² |
| ESTABLISHED_NEIGHBOURHOOD | Established NeighbourhoodResidential | 4.8% | 1.28 km² |
| RURAL_LIVING | Rural LivingRural | 4.2% | 1.12 km² |
| RECREATION | RecreationRecreation | 3.5% | 0.95 km² |
| URBAN_ACTIVITY_CENTRE | Urban Activity CentreBusiness | 2.6% | 0.70 km² |
| GENERAL_NEIGHBOURHOOD | General NeighbourhoodResidential | 2.4% | 0.64 km² |
| COMMUNITY_FACILITIES | Community FacilitiesSpecial use | 1.4% | 0.37 km² |
| BUSINESS_NEIGHBOURHOOD | Business NeighbourhoodResidential | 0.8% | 0.20 km² |
| SUBURBAN_ACTIVITY_CENTRE | Suburban Activity CentreBusiness | 0.6% | 0.17 km² |
| OPEN_SPACE | Open SpaceRecreation | 0.3% | 0.09 km² |
| LOCAL_ACTIVITY_CENTRE | Local Activity CentreBusiness | 0.3% | 0.09 km² |
Source: SA Planning and Design Code Zones (ZONE_SA/2026-04-30/7965b1556505eb71) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.