The size of Plainland is approximately 22.3 square kilometres. The population of Plainland in 2011 was 1,671 people. By 2016 the population was 1,586 showing a population decline of 5.1% in the area during that time. The predominant age group in Plainland is 0-9 years. Households in Plainland are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Plainland work in a trades occupation. In 2011, 71.6% of the homes in Plainland were owner-occupied compared with 78.5% in 2016. Currently the median sales price of houses in the area is $495,000.