2/40 Union Street

Semaphore SA 5019

The size of Semaphore is approximately 1.2 square kilometres. It has 4 parks covering nearly 6.6% of total area. The population of Semaphore in 2016 was 2764 people. By 2021 the population was 2749 showing a population decline of 0.5% in the area during that time. The predominant age group in Semaphore is 50-59 years. Households in Semaphore are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Semaphore work in a professional occupation.In 2021, 68.20% of the homes in Semaphore were owner-occupied compared with 67.30% in 2016.

Semaphore has 1,513 properties. Over the last 5 years, Houses in Semaphore have seen a 80.61% increase in median value, while Units have seen a 87.37% increase. As at 31 October 2025:

• The median value for Houses in Semaphore is $1,172,764 while the median value for Units is $599,903.
• Houses have a median rent of $720 while Units have a median rent of $470.