The size of Brymaroo is approximately 114.9 square kilometres. It has 2 parks covering nearly 0.1% of total area. The population of Brymaroo in 2011 was 412 people. By 2016 the population was 134 showing a population decline of 67.5% in the area during that time. The predominant age group in Brymaroo is 60-69 years. Households in Brymaroo are primarily couples with children and are likely to be repaying $3000 - $3999 per month on mortgage repayments. In general, people in Brymaroo work in a managers occupation. In 2011, 68.6% of the homes in Brymaroo were owner-occupied compared with 86.1% in 2016.