The size of Argyle is approximately 19.9 square kilometres. The population of Argyle in 2011 was 2,775 people. By 2016 the population was 194 showing a population decline of 93.0% in the area during that time. The predominant age group in Argyle is 60-69 years. Households in Argyle are primarily childless couples and are likely to be repaying $800 - $999 per month on mortgage repayments. In general, people in Argyle work in a managers occupation. In 2011, 80.4% of the homes in Argyle were owner-occupied compared with 80.4% in 2016. Currently the median sales price of houses in the area is $330,000.