is in lakes and 0.2% is in rivers and streams. The municipality is located in Weinfelden District. It consists of the linear village of Erlen and the former communities of Buchackern, Engishofen, Ennetaach, and Kümmertshausen as well as Riedt (which used to be part of the municipality of Sulgen). The village of Erlen consists of the sections of Erlen-Dorf, Ehstegen and Eppishausen. Demographics Erlen has a population () of . , 19.5% of the population are foreign nationals. Over the last 10 years (1997–2007) the population has changed at a rate of 2.1%. Most of the population () speaks German (90.2%), with Albanian being second most common ( 3.7%) and Italian being third ( 2.3%). , the gender distribution of the population was 49.3% male and 50.7% female. The population was made up of 1,203 Swiss men (38.7% of the population), and 329 (10.6%) non-Swiss men. There were 1,298 Swiss women (41.8%), and 277 (8.9%) non-Swiss women. In there were 16 live births to Swiss citizens and 13 births to non-Swiss citizens, and in same time span there were 21 deaths of Swiss citizens and 2 non-Swiss citizen deaths. Ignoring immigration and emigration, the population of Swiss citizens decreased by 5 while the foreign population increased by 11. There were 2 Swiss men who emigrated from Switzerland to another country, 4 Swiss women who emigrated from Switzerland to another country, 13 non-Swiss men who emigrated from Switzerland to another country and 8 non-Swiss women 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 33 people. This represents a population growth rate of 0.6%. The age distribution, , in Erlen is; 323 children or 10.3% of the population are between 0 and 9 years old and 447 teenagers or 14.3% are between 10 and 19. Of the adult population, 436 people or 13.9% of the population are between 20 and 29 years old. 364 people or 11.6% are between 30 and 39, 574 people or 18.3% are between 40 and 49, and 441 people or 14.1% are between 50 and 59. The senior population distribution is 286 people or 9.1% of the population are between 60 and 69 years old, 165 people or 5.3% are between 70 and 79, there are 85 people or 2.7% who are between 80