DemographicsPeterborough (Vic.) is approximately 40.13 square kilometres. In 2016 the population of Peterborough (Vic.) was 247. The population is 52% male and 48% female. On average the monthly mortgage repayments in Peterborough (Vic.) are $1000 to $1399. The most common weekly income bracket is $500 to $649 per week. Weekly rents in the area are on average $225 to $275.