The size of Omadale is approximately 23 square kilometres. It has 1 park covering nearly 0.2% of total area. The population of Omadale in 2011 was 274 people. By 2016 the population was 3 showing a population decline of 98.9% in the area during that time. The predominant age group in Omadale is 10-19 years. Households in Omadale are primarily childless couples and are likely to be repaying $800 - $999 per month on mortgage repayments. In general, people in Omadale work in a managers occupation. In 2006, 53.8% of the homes in Omadale were owner-occupied compared with 73.4% in 2011.