The size of Netherby is approximately 1.2 square kilometres. The population of Netherby in 2011 was 1,416 people. By 2016 the population was 1,419 showing a population growth of 0.2% in the area during that time. The predominant age group in Netherby is 10-19 years. Households in Netherby are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Netherby work in a professional occupation. In 2011, 83.4% of the homes in Netherby were owner-occupied compared with 81.3% in 2016. Currently the median sales price of houses in the area is $1,241,000.