The main leid o the province is Spainyie, spoken bi 87 %, while 74 % o the population speak Quechua. The population increased frae 37,384 inhabitants (1992 census) tae 37,428 (2001 census), an increase o anerlie 0.1 %. Caipital o the province is Uyuni (10,191 inhabitants).
53 % o the population hae nae access tae electricity, 85 % hae nae sanitary facilities. 50 % o the population are employed in agricultur, 8 % in minin, 5 % in industrie, 37 % in general services. 86 % o the population are Catholics, 11 % Protestants.