DemographicsRocky River (Uralla - NSW) is approximately 51.41 square kilometres. In 2016 the population of Rocky River (Uralla - NSW) was 270. The population is 53% male and 47% female. On average the monthly mortgage repayments in Rocky River (Uralla - NSW) are $1800 to $2399. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $200 to $224.