The size of Wulgulmerang is approximately 153.3 square kilometres. It has 4 parks covering nearly 59.6% of total area. The population of Wulgulmerang in 2011 was 348 people. By 2016 the population was 13 showing a population decline of 96.3% in the area during that time. The predominant age group in Wulgulmerang is 60-69 years. Households in Wulgulmerang are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Wulgulmerang work in a managers occupation. In 2006, 71.7% of the homes in Wulgulmerang were owner-occupied compared with 73.2% in 2011.