sentences:  According to the 1998 Census, the population of the district was 82,806 persons in 16,940 households in 1998.With a population of over 80,000 people, Ou Reang Ou district has one of the smaller district populations in Tboung Khmum province.The average household size in Ou Reang Ou is 4.9 persons per household, which is slightly lower than the rural average for Cambodia (5.2 persons).