The size of Coodanup is approximately 7.8 square kilometres. It has 10 parks covering nearly 4.2% of total area. The population of Coodanup in 2011 was 3,526 people. By 2016 the population was 3,943 showing a population growth of 11.8% in the area during that time. The predominant age group in Coodanup is 60-69 years. Households in Coodanup are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Coodanup work in a trades occupation. In 2011, 58.7% of the homes in Coodanup were owner-occupied compared with 59.5% in 2016. Currently the median sales price of houses in the area is $302,500.