DemographicsRed Hill (Warren - NSW) is approximately 39.52 square kilometres. In 2016 the population of Red Hill (Warren - NSW) was 7. The population is 57% male and 43% female. On average the monthly mortgage repayments in Red Hill (Warren - NSW) are $0 to $299. The most common weekly income bracket is $1250 to $1499 per week. Weekly rents in the area are on average $0 to $74.