The size of Arkell is approximately 66.9 square kilometres. The population of Arkell in 2011 was 267 people. By 2016 the population was 35 showing a population decline of 86.9% in the area during that time. The predominant age group in Arkell is 60-69 years. Households in Arkell are primarily childless couples and are likely to be repaying $300 - $449 per month on mortgage repayments. In general, people in Arkell work in a managers occupation. In 2011, 79% of the homes in Arkell were owner-occupied compared with 111.1% in 2016.