DemographicsCharlton (Vic.) is approximately 244.6 square kilometres. In 2016 the population of Charlton (Vic.) was 1050. The population is 50% male and 50% female. On average the monthly mortgage repayments in Charlton (Vic.) are $800 to $999. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $100 to $149.