DemographicsWalmer (Vic.) is approximately 73.13 square kilometres. In 2016 the population of Walmer (Vic.) was 223. The population is 51% male and 49% female. On average the monthly mortgage repayments in Walmer (Vic.) are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $225 to $275.