Wuppenau is a municipality in the district of Weinfelden in the canton of Thurgau in Switzerland. Geography Wuppenau has an area, , of . Of this area, or 74.7% is used for agricultural purposes, while or 18.6% is forested. Of the rest of the land, or 6.6% is settled (buildings or roads). Of the built up area, industrial buildings made up 3.5% of the total area while housing and buildings made up 0.1% and transportation infrastructure made up 0.3%. while parks, green belts and sports fields made up 2.6%. Out of the forested land, 16.0% of the total land area is heavily forested and 2.6% is covered with orchards or small clusters of trees. Of the agricultural land, 66.0% is used for growing crops, while 8.6% is used for orchards or vine crops. In 1971 Hosenruck merged with Wuppenau. Demographics Wuppenau has a population () of . , 4.9% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of -3.1%. Most of the population () speaks German (97.0%), with Serbo-Croatian being second most common ( 0.9%) and Romansh being third ( 0.5%). , the gender distribution of the population was 50.3% male and 49.7% female. The population was made up of 479 Swiss men (47.5% of the population), and 28 (2.8%) non-Swiss men. There were 480 Swiss women (47.6%), and 21 (2.1%) non-Swiss women. In there were 11 live births to Swiss citizens and births to non-Swiss citizens, and in same time span there were 8 deaths of Swiss citizens. Ignoring immigration and emigration, the population of Swiss citizens increased by 3 while the foreign population remained the same. There was 1 Swiss man, 1 Swiss woman who emigrated from Switzerland to another country, 4 non-Swiss men who emigrated from Switzerland to another country and 1 non-Swiss woman who emigrated from Switzerland to another country. The total Swiss population change in 2008 (from all sources) was a decrease of 14 and the non-Swiss population change was an increase of 11 people. This represents a population growth rate of -0.3%. The age distribution, , in Wuppenau is; 117 children or 11.5% of the population are between 0 and 9 years old and 157 teenagers or 15.4% are between 10 and 19. Of the adult population, 97 people or 9.5% of the population are between 20 and 29 years old. 143 people