DemographicsSpringdallah is approximately 5.78 square kilometres. In 2016 the population of Springdallah was 26. The population is 45% male and 55% female. On average the monthly mortgage repayments in Springdallah are $1400 to $1799. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.