The size of Alma is approximately 102.8 square kilometres. It has 1 park. The population of Alma in 2011 was 241 people. By 2016 the population was 66 showing a population decline of 72.6% in the area during that time. The predominant age group in Alma is 0-9 years. Households in Alma are primarily couples with children and are likely to be repaying not stated per month on mortgage repayments. In general, people in Alma work in a managers occupation. In 2011, 80.9% of the homes in Alma were owner-occupied compared with 69.6% in 2016.