 In 2000, the sum had 3959 inhabitants, mainly Khalkha and Khotgoid.The center, officially named "Selenge" (), is situated close to the Selenge river, 112 km east of Mörön and 589 kilometers from Ulaanbaatar.The Ikh-Uul sum was founded, together with the whole Khövsgöl aimag, in 1931.