Puerto de Mejillones
|o Total||759 km2 (293 sq mi)|
|o Density||1.5/km2 (4/sq mi)|
|o Ethnicities||Aymara Quechua|
|Time zone||UTC-4 (BOT)|
The province is located between 18° 53' and 19° 16' South and between 68° 10' and 68° 26' West. It is surrounded by Sabaya Province in the north, west and east, and it borders the Republic of Chile in the southwest. The province extends over 45 km from north to south, and 35 km from east to west.
|1st||La Rivera Municipality||La Rivera|
|2nd||Todos Santos Municipality||Todos Santos|
The population increased from 751 inhabitants (1992 census) to 1,130 (2001 census), an increase of 50%.
42.6% of the population are younger than 15 years old (1992).