The size of Myalup is approximately 184.6 square kilometres. It has 41 parks covering nearly 50.3% of total area. The population of Myalup in 2011 was 399 people. By 2016 the population was 371 showing a population decline of 7.0% in the area during that time. The predominant age group in Myalup is 50-59 years. Households in Myalup are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Myalup work in a managers occupation. In 2011, 53.5% of the homes in Myalup were owner-occupied compared with 64.6% in 2016. Currently the median sales price of houses in the area is $404,500.