Tramelan is first mentioned in 1179 as Trameleins. The municipality was formerly known by its German name Tremlingen, however, that name is no longer used.
During the Middle Ages the collegiate church See more

The blazon of the municipal coat of arms is Gules on a Bend sinister Argent three Linden Leaves issuant from chief of the first. See more

The entire hamlet of Le Cernil / La Chaux de Tramelan is designated as part of the Inventory of Swiss Heritage Sites. See more

Tramelan is also the location of the Armand Nicolet watch manufacture as well as the Tourbillon and Hairspring Manufacture Dimier.
As of 2011 , … See more

Tramelan has an area of 24.83 km (9.59 sq mi). Of this area, 14.53 km (5.61 sq mi) or 58.5% is used for agricultural purposes, while 7.82 km (3.02 sq mi) or 31.5% is forested. Of the rest of the land, 2.19 km (0.85 sq mi) or 8.8% is settled (buildings or roads) and 0.31 km … See more

Tramelan has a population (as of December 2020 ) of 4,607. As of 2010 , 11.4% of the population are resident foreign nationals. … See more

In the 2011 federal election the most popular party was the Social Democratic Party (SP) which received 32.1% of the vote. The next three most popular parties were the See more