According to the 2002 census of the National Statistics Institute, Vichuquén spans an area of  and has 4,916 inhabitants (2,596 men and 2,320 women).
The 2002 census data from the National Statistics Institute indicates that Vichuquén is located in an area of  with a total population of 4,916 people, including 2,596 men and 2,320 women.