DemographicsSeventeen Mile is approximately 54.33 square kilometres. In 2016 the population of Seventeen Mile was 16. The population is 47% male and 53% female. On average the monthly mortgage repayments in Seventeen Mile are $0 to $299. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.