The size of Alma is approximately 20.7 square kilometres. It has 4 parks covering nearly 6.7% of total area. The population of Alma in 2011 was 259 people. By 2016 the population was 198 showing a population decline of 23.6% in the area during that time. The predominant age group in Alma is 40-49 years. Households in Alma are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Alma work in a community and personal service occupation. In 2011, 85.8% of the homes in Alma were owner-occupied compared with 85.8% in 2016.