Lum Choar contains four villages and has a population of 1,385. In the 2007 commune council

Commune council

There are 1,621 Communes/Sangkats in Cambodia. Each Commune Council is composed of 5 to 11 members depending on demography and geography, elected through a proportional system where nationally registered political parties can compete by presenting a list of candidates of at least twice the number...

 elections, three of the commune's five seats went to the Cambodian People's Party

Cambodian People's Party

The Cambodian People's Party is the current ruling party of Cambodia.This party was formerly known as Kampuchean People's Revolutionary Party...

 and two went to the Sam Rainsy Party

Sam Rainsy Party

The Sam Rainsy Party is a personalist and more or less liberal party in Cambodia. The party is a member of the Council of Asian Liberals and Democrats...

. The land alienation rates in Lum Choar was moderate as of January 2006. (See Ratanakiri Province for background information on land alienation.)

Village	Population (1998)	Sex ratio (male/female) (1998)	Number of households (1998)	Notes
Lai	315	1.14	65
Ka Te	312	1.04	48
Trang	123	1.08	21
Un	635	1.08	124