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Lonsdale vs Somerton Park

Property investment comparison - Lonsdale, SA 5160 vs Somerton Park, SA 5044

Head-to-head across core investment metrics: Lonsdale wins 2, 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.

MetricLonsdaleSomerton Park
Median house price$2.6M$2.2M
Median unit price$460K$770K
Gross rental yield (houses)-1.87%
Gross rental yield (units)4.61%3.90%
1-year house growth-+14.9%estimate
3-year house growth--
Vacancy rate-1.3%
Population235,811

Lonsdale vs Somerton Park: what the numbers say

The median house price is $2.6M in Lonsdale and $2.2M in Somerton Park, so Somerton Park is the cheaper entry point, with Lonsdale houses about 16% dearer.

For units, Lonsdale sits at a median of $460K against $770K in Somerton Park, which makes Lonsdale the more affordable unit market and Somerton Park the pricier one.

Somerton Park is the bigger suburb, with a population of 5,811 against 23, roughly 253 times the size of Lonsdale; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Somerton Park for a lower purchase price. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.

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Lonsdale vs Somerton Park: Suburb Comparison 2026