The size of Farrell Flat is approximately 133.1 square kilometres. The population of Farrell Flat in 2011 was 156 people. By 2016 the population was 214 showing a population growth of 37.2% in the area during that time. The predominant age group in Farrell Flat is 50-59 years. Households in Farrell Flat are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Farrell Flat work in a managers occupation. In 2011, 91.7% of the homes in Farrell Flat were owner-occupied compared with 71.9% in 2016. Currently the median sales price of houses in the area is $163,000.