The size of Croftby is approximately 75.9 square kilometres. It has 1 park covering nearly 1.6% of total area. The population of Croftby in 2011 was 301 people. By 2016 the population was 129 showing a population decline of 57.1% in the area during that time. The predominant age group in Croftby is 60-69 years. Households in Croftby are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Croftby work in a managers occupation. In 2011, 76.3% of the homes in Croftby were owner-occupied compared with 78.2% in 2016.