Kemmental is a municipality in the district of Kreuzlingen in the canton of Thurgau in Switzerland.

The municipality was formed on 1 January 1996 through the merger of Alterswilen, Hugelshofen, Altishausen, Dotnacht, Ellighausen, Lippoldswilen, Neuwilen and Siegershausen.

Of the other villages that made up Ellighausen, Bächi was mentioned in 1259 as Baecho, Geboltschhusen in 1385 as Geboltzhusen.

[10] Kemmental has an area, as of 2009[update], of 25.02 square kilometers (9.66 sq mi).

Most of the population (as of 2000[update]) speaks German (97.0%), with Serbo-Croatian being second most common ( 0.6%) and Italian being third ( 0.4%).

[14] The age distribution, as of 2009[update], in Kemmental is; 210 children or 9.4% of the population are between 0 and 9 years old and 349 teenagers or 15.7% are between 10 and 19.

[19] In the 2007 federal election the most popular party was the SVP which received 59.55% of the vote.

In the federal election, a total of 779 votes were cast, and the voter turnout was 51.2%.

[20] The historical population is given in the following table: The entire hamlet of Bommen is designated as part of the Inventory of Swiss Heritage Sites.

[15] From the 2000 census[update], 523 or 23.9% were Roman Catholic, while 1,359 or 62.1% belonged to the Swiss Reformed Church.

[24] Kemmental sits on the Wil–Kreuzlingen line between Weinfelden and Kreuzlingen and is served by the St. Gallen S-Bahn at Siegershausen railway station.

Of the children in kindergarten, 21 or 43.8% were female, 3 or 6.3% were not Swiss citizens and 1 or 2.1% did not speak German natively.

The lower and upper primary levels begin at about age 5-6 and last for 6 years.

At the lower primary level, there were 42 children or 44.2% of the total population who were female, 7 or 7.4% were not Swiss citizens and 3 or 3.2% did not speak German natively.

In the upper primary level, there were 56 or 49.1% who were female, 12 or 10.5% were not Swiss citizens and 7 or 6.1% did not speak German natively.

134 teenagers were in special or remedial classes, of which 65 or 48.5% were female, 9 or 6.7% were not Swiss citizens and 8 or 6.0% did not speak German natively.