The size of Yallingup is approximately 75.3 square kilometres. It has 21 parks covering nearly 15.6% of total area. The population of Yallingup in 2011 was 970 people. By 2016 the population was 1,033 showing a population growth of 6.5% in the area during that time. The predominant age group in Yallingup is 40-49 years. Households in Yallingup are primarily childless couples and are likely to be repaying $3000 - $3999 per month on mortgage repayments. In general, people in Yallingup work in a professional occupation. In 2011, 77.9% of the homes in Yallingup were owner-occupied compared with 74.6% in 2016. Currently the median sales price of houses in the area is $1,555,000.