DemographicsBen Lomond (Tas.) is approximately 182.63 square kilometres. In 2016 the population of Ben Lomond (Tas.) was 3. The population is 0% male and 0% female. On average the monthly mortgage repayments in Ben Lomond (Tas.) are $0 to $299. The most common weekly income bracket is $0 to $149 per week. Weekly rents in the area are on average $0 to $74.