Roman era indicate that there were earlier settlements in the area. In the Middle Ages the monasteries of St. Gallen, Münsterlingen, St. Katharinental and Wagenhausen all held property and rights in Schlattingen. The town of Diessenhofen held the low court rights from 1489 to 1798 and the high court rights after 1460. The right to appoint pastors of the village church (built in 1275) was held by the Göberg family. Soon after the Protestant Reformation, it became part of the parish of Stammheim and remained so until 1827. The Diessenhofen parish staff gave the sermon after 1585 in Schlattingen. In 1827 the church of Schlattingen became a filial church of Basadingen. In the 18th century, the village acquired most of its own land and owned of woods. It produced grain, fruit, clover and grapes and in the 19th century there was increased dairy farming. Between 1920 and 1980, the proportion of jobs in agriculture dropped from 72% to 46%, while the services sector saw an increase from 6% to 29%. A new housing development opened in 1945. Geography Basadingen-Schlattingen has an area, , of . Of this area, or 60.1% is used for agricultural purposes, while or 31.4% is forested. Of the rest of the land, or 8.2% is settled (buildings or roads), or 0.3% is either rivers or lakes and or 0.1% is unproductive land. Of the built up area, industrial buildings made up 3.8% of the total area while housing and buildings made up 0.3% and transportation infrastructure made up 0.6%. while parks, green belts and sports fields made up 3.4%. Out of the forested land, 30.2% of the total land area is heavily forested and 1.2% is covered with orchards or small clusters of trees. Of the agricultural land, 59.1% is used for growing crops. All the water in the municipality is flowing water. The municipality is located in Frauenfeld District. It consists of the villages of Basadingen and Schlattingen and the communities of Mett-Oberschlatt and Unterschlatt. Demographics Basadingen-Schlattingen has a population () of , 11.3% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of %. Most of the population () speaks German(95.7%), with Albanian being second most common ( 1.4%) and Italian being third ( 0.7%). , the gender distribution of the population was 50.3% male and 49.7% female. The population was made up of