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Whyalla vs Mount Gambier vs Springfield Lakes — which is best for rental demand?

Same eight metrics, scored against the same benchmark, ranked against a $900kbudget. Look for where one suburb is materially ahead — that's the dimension that should sway your call.

  1. Whyalla

    SA · 5600
    45Average
    Median
    $245k
    5y growth
    7.2%/yr
    BalancedThin market · ~4k residents

  2. Mount Gambier

    SA · 5290
    50Average
    Median
    $395k
    5y growth
    8.2%/yr
    GrowthStable entry · room to scale

  3. Springfield Lakes

    QLD · 4300
    65Strong
    Median
    $745k
    5y growth
    13.5%/yr
    GrowthStable entry point

Metric breakdown

Each row scores 0–100 against a fixed benchmark. The leader on each row is highlighted.

Metric · weight
Whyalla
Mount Gambier
Springfield Lakes
Capital growth (5y)
weight 22%
727.2%/yr
828.2%/yr
10013.5%/yr
Rental yield
weight 13%
854.2%
582.9%
572.9%
Rental demand
weight 10%
402.4%
402.4%
701.2%
Population growth
weight 12%
656.5%
656.5%
10010.0%
Income growth
weight 12%
4411.0%
4411.0%
7218.0%
Construction pipeline
weight 15%
0–
0–
0–
Affordability
weight 8%
7373% under cap
5656% under cap
1717% under cap
Supply tightening
weight 8%
40+2.0% YoY
40+2.0% YoY
85-7.0% YoY

Winner per dimension

Where each suburb leads the field, with the count of dimensions won.

  1. Whyalla

    2/8
    • Rental yield
    • Affordability

  2. Mount Gambier

    0/8

    No outright lead on any single dimension.

  3. Springfield Lakes

    5/8
    • Capital growth (5y)
    • Rental demand
    • Population growth
    • Income growth
    • Supply tightening

Why Whyalla

Thin market · ~4k residents

4.2% gross yield, 73% under your cap.

Drivers
  • Rental yield4.2%
  • Budget headroom73% under cap
  • Capital growth7.2%/yr
  • Population growth+6.5% (5y)
Risks
  • Only 3,609 residents — illiquid, slow to sell
  • No major construction project in this state

Why Mount Gambier

Stable entry · room to scale

8.2%/yr capital growth, population +6.5% (5y).

Drivers
  • Capital growth8.2%/yr
  • Population growth+6.5% (5y)
Risks
  • No major construction project in this state

Why Springfield Lakes

Stable entry point

13.5%/yr capital growth, population +10.0% (5y).

Drivers
  • Capital growth13.5%/yr
  • Population growth+10.0% (5y)
  • Supply tightening-7.0% YoY
  • Income growth+18.0% (5y)
Risks
  • No major construction project in this state

Construction ·Cross River Rail — Boggo Road22.7 kmConstruction · 2026