The size of Port Macdonnell is approximately 41.7 square kilometres. It has 8 parks covering nearly 2.9% of total area. The population of Port Macdonnell in 2011 was 1,036 people. By 2016 the population was 841 showing a population decline of 18.8% in the area during that time. The predominant age group in Port Macdonnell is 60-69 years. Households in Port Macdonnell are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Port Macdonnell work in a labourer occupation. In 2011, 81% of the homes in Port Macdonnell were owner-occupied compared with 80.4% in 2016. Currently the median sales price of houses in the area is $305,000.