Wagenhausen is a municipality in Frauenfeld District in the canton of Thurgau in Switzerland. The municipality includes the settlements of Etzwilen, Kaltenbach and Rheinklingen. Wagenhausen has an area, , of . Of this area, or 53.7% is used for agricultural purposes, while or 29.1% is forested. Of the rest of the land, or 11.4% is settled (buildings or roads), or 4.4% is either rivers or lakes and or 1.2% is unproductive land. Of the built up area, industrial buildings made up 4.5% of the total area while housing and buildings made up 0.7% and transportation infrastructure made up 0.6%. Power and water infrastructure as well as other special developed areas made up 1.1% of the area while parks, green belts and sports fields made up 4.6%. Out of the forested land, 27.1% of the total land area is heavily forested and 2.0% is covered with orchards or small clusters of trees. Of the agricultural land, 51.5% is used for growing crops, while 2.2% is used for orchards or vine crops. All the water in the municipality is flowing water. Of the unproductive areas, 1.2% is unproductive vegetation. In 1995 Rheinklingen merged into Wagenhausen. Wagenhausen has a population () of . , 15.7% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of 1.4%. Most of the population () speaks German (91.2%), with Albanian being second most common ( 2.9%) and Turkish being third ( 1.3%). the gender distribution of the population was 48.9% male and 51.1% female. The population was made up of 658 Swiss men (40.8% of the population), and 131 (8.1%) non-Swiss men. There were 702 Swiss women (43.5%), and 122 (7.6%) non-Swiss women. In there were 12 live births to Swiss citizens and 4 births to non-Swiss citizens, and in same time span there were 19 deaths of Swiss citizens and 1 non-Swiss citizen death. Ignoring immigration and emigration, the population of Swiss citizens decreased by 7 while the foreign population increased by 3.