The size of Mount Nelson is approximately 5.9 square kilometres. It has 14 parks covering nearly 16.3% of total area. The population of Mount Nelson in 2011 was 2,432 people. By 2016 the population was 2,503 showing a population growth of 2.9% in the area during that time. The predominant age group in Mount Nelson is 60-69 years. Households in Mount Nelson are primarily childless couples. In general, people in Mount Nelson work in a professional occupation. In 2011, 71.5% of the homes in Mount Nelson were owner-occupied compared with 71% in 2016. Currently the median sales price of houses in the area is $610,000. Average lenght of home ownership is 11 years.