Chamoson (French pronunciation: [ʃamozɔ̃]) is a municipality in the district of Conthey in the canton of Valais in Switzerland.

[3] Chamoson has an area, as of 2009[update], of 32.5 square kilometers (12.5 sq mi).

It consists of the settlements of Chamoson, Saint-Pierre-de-Clages and Grugnay as well as the spring pasture camp of Mayens-de-Chamoson.

The blazon of the municipal coat of arms is Quarterly Argent and Gules.

[8] Most of the population (as of 2000[update]) speaks French (2,340 or 93.7%) as their first language, German is the second most common (53 or 2.1%) and Portuguese is the third (43 or 1.7%).

[8] The historical population is given in the following chart:[3][12] The Church of St-Pierre and its priory are listed as Swiss heritage site of national significance.

The village of Saint-Pierre de Clages is part of the Inventory of Swiss Heritage Sites.

[13] In the 2007 federal election the most popular party was the CVP which received 36.73% of the vote.

[15] In the 2007 Swiss Council of States election a total of 1,185 votes were cast, of which 84 or about 7.1% were invalid.

[8] There were 1,193 residents of the municipality who were employed in some capacity, of which females made up 42.1% of the workforce.

In the tertiary sector; 74 or 25.8% were in wholesale or retail sales or the repair of motor vehicles, 13 or 4.5% were in the movement and storage of goods, 67 or 23.3% were in a hotel or restaurant, 3 or 1.0% were in the information industry, 4 or 1.4% were the insurance or financial industry, 11 or 3.8% were technical professionals or scientists, 17 or 5.9% were in education and 59 or 20.6% were in health care.

[8] From the 2000 census[update], 2,138 or 85.6% were Roman Catholic, while 125 or 5.0% belonged to the Swiss Reformed Church.

The library has (as of 2008[update]) 9,414 books or other media, and loaned out 30,393 items in the same year.

It was open a total of 93 days with average of 6.5 hours per week during that year.