Bürchen (Walliser German: Birchu) is a municipality in the district of Raron in the German-speaking part of the canton of Valais in Switzerland.
Bürchen is first mentioned in 1307 as ze Birke. In 1363 it was mentioned as Birkonberg, in 1441 as Birchen and in 1755 as Betula.
Bürchen has an area, , of . Of this area, 25.7% is used for agricultural purposes, while 55.3% is forested. Of the rest of the land, 5.4% is settled (buildings or roads) and 13.6% is unproductive land.
The municipality is located in the Westlich Raron district. It consists several hamlets on a high terrace above the southern side of the Rhone valley.
The proposed merger of the municipalities of Eggerberg, Ausserberg, Bürchen, Baltschieder, Visp and Visperterminen was rejected by the residents.
The blazon of the municipal coat of arms is Azure, three Mullets [of Six] Or.
Bürchen has a population () of . , 3.2% of the population are resident foreign nationals. Over the last 10 years (2000–2010 ) the population has changed at a rate of 0.8%. It has changed at a rate of 1.5% due to migration and at a rate of 1.3% due to births and deaths.
Most of the population () speaks German (658 or 97.9%) as their first language, French is the second most common (5 or 0.7%) and Albanian is the third (3 or 0.4%). There is 1 person who speaks Italian.
the population was 50.5% male and 49.5% female. The population was made up of 355 Swiss men (49.4% of the population) and 8 (1.1%) non-Swiss men. There were 348 Swiss women (48.4%) and 8 (1.1%) non-Swiss women. Of the population in the municipality, 485 or about 72.2% were born in Bürchen and lived there in 2000. There were 93 or 13.8% who were born in the same canton, while 50 or 7.4% were born somewhere else in Switzerland, and 20 or 3.0% were born outside of Switzerland.
children and teenagers (0–19 years old) make up 25.4% of the population, while adults (20–64 years old) make up 58.2% and seniors (over 64 years old) make up 16.4%.
there were 279 people who were single and never married in the municipality.