Mount Gambier SA Property Investment

Mount Gambier · 5290 · Score: 50/100 · Hold

Median House Price
$579K
Rental Yield
4.2%
Vacancy Rate
1.8%
Median Weekly Rent
$470/wk
Median Unit Price
$420K
Population
25,591
Days on Market
30 days
Annual Growth
12.5%

Mount Gambier Short-Term Rental (Airbnb) Market

Avg Nightly Rate
$406.25/night
Occupancy Rate
42%
Est. Annual Revenue
$62K
AI Investment Analysis

Mount Gambier SA Investment Brief

HOLD4.2% gross yield on a $579,262 (single source — OnTheHouse only, no peer to validate) median.

THE MARKET

Mount Gambier has compounded at 2.0%/yr over 5 years. Median sits in the $579,262 (single source — OnTheHouse only, no peer to validate) band today. Properties are sitting on market for 30 days (roughly balanced conditions).

  • Median house: $579,262 (single source — OnTheHouse only, no peer to validate) | Units: $420,116
  • Gross yield: 4.2% | Net yield: 2.7%
  • 5yr price CAGR: 2.0%/yr | 3yr forecast: 13.5%/yr
  • Population: 25,591 | Owner-occupier rate: 63% | Affluence: Low
  • Supply pipeline: Low — Price growth outpacing new supply, limited development pipeline

RENTAL SNAPSHOT

  • Vacancy: 1.8% (improving) | Rental demand: High
  • Median weekly rent: $470/wk | Days on market: 30 (stable)
  • Landlord market — rents likely to keep rising.

SHORT-TERM RENTAL

  • Median nightly rate: $406/night | Occupancy: 42%
  • Estimated annual STR gross: ~$62,278/yr
  • vs long-term rent: $24,440/yr (+155% STR premium — factor in higher management costs)

INFRASTRUCTURE & CATALYSTS

  • No major confirmed infrastructure projects on record.
  • Transport: Standard suburban transport access

BULL CASE

If Mount Gambier maintains 3%+ annual growth and vacancy stays below 1.3%, median prices could reach $666,151 within 3 years with yields compressing slightly as capital values rise.

BEAR CASE

A market correction or interest rate shock could see prices in Mount Gambier pull back 10-15% from $579,262, with vacancy rising to 3.2% and rental yields softening as tenants gain leverage.

KEY RISKS

  • Distance from CBD may limit long-term capital growth potential

COMPARABLE MARKETS

  • Elizabeth Park (SA): $671,000 median, 3.9% yield, 16.7% 1yr growth
  • Napperby (SA): $450,567 median, 2.1% yield, 20.3% 1yr growth
  • Salisbury North (SA): $753,000 median, 3.8% yield, 10.3% 1yr growth

THE PLAY

Mount Gambier offers balanced fundamentals but does not present an urgent buying signal. The market is in a cooling phase with low vacancy risk. Monitor vacancy trends and price movements over the next 6-12 months. Only enter if a property can be acquired at or below median pricing with yields exceeding 4.7%.

  • Entry range: $521,336$637,188
  • Minimum gross yield to target: 4.5%
  • Watch signal: vacancy staying below 2% and days on market holding under 35

This analysis is for informational purposes only and does not constitute financial, legal, or investment advice. Seek professional advice before making investment decisions.

Gentrification Index

Pre-gentrification3.5/10
Low socioeconomic base — classic gentrification precondition
Active development pipeline (685 approvals) — supply attracting new residents

Growth Forecast

high confidence
1yr Forecast
1.8%
p.a.
2yr Forecast
1.6%
p.a.
5yr Forecast
1.4%
p.a.

Basis: 5yr CAGR 2.0% + 10yr CAGR 2.8%

Growth drivers
  • +Low rental vacancy (1.8%) — constrained supply
Headwinds
  • High supply pipeline (685 new approvals) — may cap price growth

Suburb Metric Thresholds

2 green7 yellow6 red
Rental Vacancy Rate
1.8 high impact
Days on Market
30 high impact
Weekly Rent (house)
470 medium impact
5yr Price CAGR
1.96 high impact
10yr Price CAGR
2.76 high impact
1yr Price Growth
12.47 medium impact
Population Growth
0.06 high impact
Median Household Income
1197 medium impact
Unemployment Rate
4.9 medium impact
Public Transport Score
No data medium impact
School Zone Quality
6.6 medium impact
Distance to CBD
376.53 medium impact
SEIFA Advantage/Disadvantage
2 medium impact
Owner Occupier Rate
62.7 medium impact
Gross Rental Yield (%)
4.22 high impact
Net Rental Yield (%)
2.72 high impact

Macro Environment

Macro Indicators

Cash Rate

4.35%

0.25%

Cash rate as at 2026-05-06 · Credit data 2026-04

Suburb Supply & Demand

Suburb Supply Pipeline — New Dwelling Approvals

70

2020

198

2021

135

2022

160

2023

122

2025

New dwelling approvals — higher numbers mean more future supply

Socio-Economic Profile

Source: ABS Census 2021

SEIFA Index · Postcode 5290

Most disadvantagedLeast disadvantaged

Decile 2 of 10 — High disadvantage

Population

25,591

Education (IEO)

1/10

Econ. Resources (IER)

1/10

10-Year Investment Projection

Modelled on Mount Gambier SA data — rent, capital growth, tax, and depreciation over 10 years.

Pre-filled: $470/wk median rent for Mount Gambier. Capital growth and rent increase are editable assumptions.

Schools

In your catchment

Reidy Park Primary School
PrimaryGovernment
5.9/10

These are the government-school zones containing this suburb centroid. Specific addresses within the suburb may fall in different catchments — confirm with the school directly.

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Data sourced from ABS, state government property sales, and Airbnb market analytics. For informational purposes only — not financial advice.