Programmatic ranking · 2026

Best SA suburbs to invest in under $300K

3 suburbs match this filter today. Average 5-year capital growth across them is 7.5%/yr; average gross yield is 3.6%. The dominant signal right now is capital growth — Average 5-year capital growth in this filter is driving the ranking. Top pick: Port Augusta (46/100). 7.4%/yr capital growth, 3.4% gross yield.

Last updated: May 2026.

Score legend · 0–40 weak · 40–60 moderate · 60–75 strong · 75+ exceptional. Scores blend growth, yield, demand and infrastructure signals against your strategy. Full methodology →

  1. #1

    Port Augusta

    7.4%/yr capital growth, 3.4% gross yield.

    Growth + yield · 7.4% · 3.4%
    46
    Balanced🟡 Near cap
    Drivers
    • Capital growth7.4%/yr
    • Rental yield3.4%
    • Population growth+6.5% (5y)
    Risks
    • At top of budget (98% of cap)
    • No major construction project in this state
    5700 · Port AugustaCompare investment case
  2. #2

    Whyalla

    4.2% gross yield, 7.2%/yr capital growth.

    Growth + yield · 7.2% · 4.2%
    41
    Balanced🟢 Under budget
    Drivers
    • Rental yield4.2%
    • 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
    5600 · WhyallaCompare investment case
  3. #3

    Port Pirie

    7.8%/yr capital growth, population +6.5% (5y).

    Growth + yield · 7.8% · 3.2%
    25
    Balanced🟡 Near cap
    Drivers
    • Capital growth7.8%/yr
    • Population growth+6.5% (5y)
    • Rental yield3.2%
    Risks
    • Only 176 residents — illiquid, slow to sell
    • At top of budget (95% of cap)
    5540 · Port Pirie RegionalCompare investment case

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