18 Northumberland Road

Onkaparinga Hills SA 5163

The size of Onkaparinga Hills is approximately 26.3 square kilometres. It has 16 parks covering nearly 28.8% of total area. The population of Onkaparinga Hills in 2016 was 2530 people. By 2021 the population was 2610 showing a population growth of 3.2% in the area during that time. The predominant age group in Onkaparinga Hills is 50-59 years. Households in Onkaparinga Hills are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Onkaparinga Hills work in a trades occupation.In 2021, 94.80% of the homes in Onkaparinga Hills were owner-occupied compared with 93.20% in 2016.

Onkaparinga Hills has 1,066 properties. Over the last 5 years, Houses in Onkaparinga Hills have seen a 100.45% increase in median value, while Units have seen a -11.44% decrease. As at 30 November 2025:

• The median value for Houses in Onkaparinga Hills is $893,409 while the median value for Units is $410,758.
• Houses have a median rent of $400.