The size of Blanchetown is approximately 584.2 square kilometres. It has 2 parks covering nearly 9.8% of total area. The population of Blanchetown in 2011 was 217 people. By 2016 the population was 297 showing a population growth of 36.9% in the area during that time. The predominant age group in Blanchetown is 50-59 years. Households in Blanchetown are primarily childless couples and are likely to be repaying $450 - $599 per month on mortgage repayments. In general, people in Blanchetown work in a managers occupation. In 2011, 72.3% of the homes in Blanchetown were owner-occupied compared with 61.8% in 2016. Currently the median sales price of houses in the area is $140,000.