Birmenstorf is a municipality in the district of Baden in the canton of Aargau in Switzerland. History The first written mention of Birmenstorf dates to 1146. In 1415, the Eidgenossenschaft conquered the Aargau, and Birmenstorf as part of the Habsburg County of Baden came under their sovereignty. During the Reformation, about a third of the population converted to Protestantism. The choir of the old church with frescos dating to 1440 still exists . For over 600 years, vineyards have been cultivated in Birmenstorf. Archeology Archeological findings indicate that the area was inhabited as early as the Stone Age. The village proper was most likely founded by Alamanni settlers probably in the 6th century. Geography Birmenstorf has an area, , of . Of this area, 44% is used for agricultural purposes, while 36.8% is forested. Of the rest of the land, 15.8% is settled (buildings or roads) and the remainder (3.4%) is non-productive (rivers or lakes). The municipality is located in the Baden district, in the valley of the Reuss near its confluence with the Aare and west-south-west from Baden. It consists of the village of Birmenstorf and the hamlets of Lindmühle, Muntwil, Müslen and Oberhard as well as a new housing development. Coat of arms The blazon of the municipal coat of arms is Vert a Garb Or. Demographics Birmenstorf has a population (as of ) of . , 19.0% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 7.1%. Most of the population () speaks German (90.3%), with Portuguese being second most common ( 2.0%) and Albanian being third ( 1.6%). The age distribution, , in Birmenstorf is; 249 children or 10.0% of the population are between 0 and 9 years old and 301 teenagers or 12.1% are between 10 and 19. Of the adult population, 343 people or 13.8% of the population are between 20 and 29 years old. 388 people or 15.6% are between 30 and 39, 445 people or 17.9% are between 40 and 49, and 310 people or 12.4% are between 50 and 59. The senior population distribution is 236 people or 9.5% of the population are between 60 and 69 years old, 152 people or 6.1% are between 70 and 79, there are 62 people or 2.5% who are between 80 and 89, and there are 4 people or 0.2% who