Raperswilen is a municipality in Kreuzlingen District in the canton of Thurgau in Switzerland.

Four houses in Fischbach belonged to the court of Hattenhausen and another six homes were directly under the Swiss Confederation Vogt in Thurgau.

The English noble George Treherne built Müllberg Castle in 1854–66.

In 1905 it was converted into a fresh air health spa (German: Luftkuranstalt).

The economy of the municipality was dominated by orchards and agriculture, and later by livestock, dairy farming and forestry.

Raperswilen has some wood processing companies, some light auto industry and a mica sand pit.

[3] Raperswilen has an area, as of 2009[update], of 7.67 square kilometers (2.96 sq mi).

Of the rest of the land, 0.39 km2 (0.15 sq mi) or 5.1% is settled (buildings or roads).

It consists of the village of Raperswilen and the hamlets of Büren, Fischbach, Helsighausen, Müllberg and Sonnenberg.

[6] The age distribution, as of 2009[update], in Raperswilen is; 45 children or 11.2% of the population are between 0 and 9 years old and 51 teenagers or 12.7% are between 10 and 19.

[11] In the 2007 federal election the most popular party was the SVP which received 67.75% of the vote.

In the federal election, a total of 169 votes were cast, and the voter turnout was 56.9%.

[7] From the 2000 census[update], 74 or 17.4% were Roman Catholic, while 300 or 70.4% belonged to the Swiss Reformed Church.