DemographicsMena Park is approximately 38.67 square kilometres. In 2016 the population of Mena Park was 27. The population is 38% male and 62% female. On average the monthly mortgage repayments in Mena Park are $1000 to $1399. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.