The size of Meringo is approximately 6.7 square kilometres. It has 1 park covering nearly 16.7% of total area. The population of Meringo in 2011 was 277 people. By 2016 the population was 91 showing a population decline of 67.1% in the area during that time. The predominant age group in Meringo is 60-69 years. Households in Meringo are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Meringo work in a managers occupation. In 2011, 84.6% of the homes in Meringo were owner-occupied compared with 76.3% in 2016. Currently the median sales price of houses in the area is $775,000.