DemographicsLymington is approximately 17.2 square kilometres. In 2016 the population of Lymington was 283. The population is 51% male and 49% female. On average the monthly mortgage repayments in Lymington are $300 to $449. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $100 to $149.