According to the General Statistics Office of the Government of Vietnam, the population of Lạng Sơn province as of 2008 was 759,000 with a density of 91 persons per square kilometer, over a total land area of 8,327.6 square kilometres (3,215.3 sq mi).
It is one of the least populated provinces in the Northern midlands and mountain areas of Vietnam.
The male population during this period was 370,100 with females accounting for 386,900.
The rural population was 605,600 against an urban population of 153,400 (about 2.5% of the rural population).

The ethnic groups which inhabit the province are the Viet (Kinh), Tày, Nung, Dao, Mong and San Chay, Ngai, and Montagnards who have retained their tribal way of life.
The Nung comprised 42.97% of the population, followed by the Tày with 35.92%.
Kinh are 16.5%, and the remainder are mostly Dao, Hoa, Sán Chay and Hmong.

Nung dialects include Nùng Phan Slinh in eastern Lạng Sơn, Nùng Cháo around Lạng Sơn city, and Nùng Inh in western Lạng Sơn.
According to the General Statistics Office of the Government of Vietnam, the population of Lạng Sơn province as of 2008 was 759,000 with a density of 91 persons per square kilometer, over a total land area of 8,327.6 square kilometres (3,215.3 sq mi). It is one of the least populated provinces in the Northern midlands and mountain areas of Vietnam. The male population during this period was 370,100 with females accounting for 386,900. The rural population was 605,600 against an urban population of 153,400 (about 2.5% of the rural population).
The ethnic groups which inhabit the province are the Viet (Kinh), Tày, Nung, Dao, Mong and San Chay, Ngai, and Montagnards who have retained their tribal way of life. The Nung comprised 42.97% of the population, followed by the Tày with 35.92%. Kinh are 16.5%, and the remainder are mostly Dao, Hoa, Sán Chay and Hmong.
Nung dialects include Nùng Phan Slinh in eastern Lạng Sơn, Nùng Cháo around Lạng Sơn city, and Nùng Inh in western Lạng Sơn.
Lạng Sơn Province