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Mount Barker Summit vs Somerton Park

Property investment comparison - Mount Barker Summit, SA 5251 vs Somerton Park, SA 5044

Head-to-head across core investment metrics: Mount Barker Summit wins 4, Somerton Park wins 1. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.

MetricMount Barker SummitSomerton Park
Median house price$2.6M$2.2M
Median unit price$590K$770K
Gross rental yield (houses)-1.87%
Gross rental yield (units)5.36%3.90%
1-year house growth+18.1%+14.9%estimate
3-year house growth--
Vacancy rate0.9%1.3%
Population1005,811

Mount Barker Summit vs Somerton Park: what the numbers say

The median house price is $2.6M in Mount Barker Summit and $2.2M in Somerton Park, so Somerton Park is the cheaper entry point, with Mount Barker Summit houses about 19% dearer.

For units, Mount Barker Summit sits at a median of $590K against $770K in Somerton Park, which makes Mount Barker Summit the more affordable unit market and Somerton Park the pricier one.

Over the past year house prices moved +18.1% in Mount Barker Summit and +14.9% in Somerton Park (an estimate), so recent momentum favours Mount Barker Summit, although both suburbs recorded growth.

Rental vacancy is 0.9% in Mount Barker Summit and 1.3% in Somerton Park, so landlords in Mount Barker Summit face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Somerton Park is the bigger suburb, with a population of 5,811 against 100, roughly 58 times the size of Mount Barker Summit; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Somerton Park for a lower purchase price, Mount Barker Summit for recent price momentum, Mount Barker Summit for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.

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Mount Barker Summit vs Somerton Park: Suburb Comparison 2026