Brittnau is a municipality in the district of Zofingen in the canton of Aargau in Switzerland. History Brittnau is first mentioned in 924 as Pritinouva. Geography Brittnau has an area, , of . Of this area, or 52.8% is used for agricultural purposes, while or 34.6% is forested. Of the rest of the land, or 11.8% is settled (buildings or roads), or 0.7% is either rivers or lakes. Of the built up area, housing and buildings made up 7.5% and transportation infrastructure made up 3.4%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 35.4% is used for growing crops and 14.5% is pastures, while 2.9% is used for orchards or vine crops. All the water in the municipality is flowing water. The municipality is located in the Zofingen district on the left side of the mid-Wigger river valley (Wiggertal). It comprises Brittnau itself and the following villages: Bergacker Bösenwil Bötschishalden Fennern Geissbach Grod Leidenberg Liebigen Mättenwil Rossweid Sennhof Wilacker The municipality borders Wikon, Langnau bei Reiden, Pfaffnau, Murgenthal, Vordemwald, Strengelbach and Zofingen. Coat of arms The blazon of the municipal coat of arms is Gules a Bend wavy sinister Argent and Coupeaux Vert. Demographics Brittnau has a population () of , 7.5% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of 4.5%. Most of the population () speaks German(96.1%), with Italian being second most common ( 1.2%) and Portuguese being third ( 0.6%). The age distribution, , in Brittnau is; 384 children or 10.5% of the population are between 0 and 9 years old and 449 teenagers or 12.3% are between 10 and 19. Of the adult population, 407 people or 11.2% of the population are between 20 and 29 years old. 471 people or 12.9% are between 30 and 39, 675 people or 18.5% are between 40 and 49, and 508 people or 14.0% are between 50 and 59. The senior population distribution is 344 people or 9.5% of the population are between 60 and 69 years old, 248 people or 6.8% are between 70 and 79, there are 138 people or 3.8% who are between 80 and 89,and there are 16 people or 0.4% who are 90 and older. the average number of residents per living room was 0.56 which is about equal to the