Lao Loum people in Attapeu outnumber those in other close-by provinces.
Lao Customs operates regional offices in many towns and cities, including offices located in: Attapeu, Bokeo, Bolikhamsay, Champassack, Huaphanh, Khammuane, Luang Namtha, Luang Prabang, Oudomxay, Phongsaly, Saravanne, Savannnakhet,
The 1995 Attapeu census recorded a population of only 124 speakers in Sanamsay District.