DemographicsKalkee is approximately 124.48 square kilometres. In 2016 the population of Kalkee was 52. The population is 54% male and 46% female. On average the monthly mortgage repayments in Kalkee are $0 to $299. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $0 to $74.