O'Halloran Hill vs Port Adelaide

The median house price is $865K in O'Halloran Hill and $870K in Port Adelaide, so O'Halloran Hill is the cheaper entry point, with Port Adelaide houses about 1% dearer.

On cash flow, Port Adelaide leads: houses there return a gross rental yield of 3.90%, compared with 3.73% in O'Halloran Hill, a gap of 0.17 percentage points.

Over the past year house prices moved +10.6% in O'Halloran Hill and +15.3% in Port Adelaide (an estimate), so recent momentum favours Port Adelaide, although both suburbs recorded growth.

Rental vacancy is 0.6% in Port Adelaide and 1.6% in O'Halloran Hill, so landlords in Port Adelaide face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

O'Halloran Hill is the bigger suburb, with a population of 2,722 against 1,338, roughly 2.0 times the size of Port Adelaide; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Port Adelaide for rental income, O'Halloran Hill for a lower purchase price, Port Adelaide for recent price momentum, Port Adelaide for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.