According to Benin's 2013 census, the total population of the department was 622,372, with 300,065 males and 322,307 females. The proportion of women was 51.80%. The total rural population was 54.80%, while the urban population was 45.20%. The proportion of women of childbearing age (15 to 49 years old) was 24.30%. The foreign population was 2,605, representing 0.40% of the total population in the department. The labour force participation rate among foreigners aged 15–64 years was 31.70%. The proportion of women among the foreign population constituted 42.50%. The number of households in the department was 110,532 and the average household size was 5.6. The intercensal growth rate of the population was 3.80%.