[5] The Udalrichinger family donated the village of Bichelsee, in the Early Middle Ages, to the Abbey of St. Gallen.
During the High Middle Ages, the Bichelsee family ruled the village as a fief for the Abbey.
In 1358 Hermann IV of Landsberg-Greifensee acquired Alt-Bichelsee Castle along with various rights and possessions, including the bailiwick of Balterswil.
[4] Agriculture and small industries still dominated the local economy until the late 20th century.
Small-scale home weaving and embroidery became common in the early 19th century but declined by about 1900.
In 1899, Johann Evangelist Traber founded the first Swiss Raiffeisen bank.
The largest employer is the Traxler AG embroidery firm (founded 1908).
In 1521, certain farm land usage rights were extended to Ifwil, followed in 1651 by limited civil benefits to existing farmsteads.
The major sources of income were vineyards, fields and orchards, and peat extraction until the 19th century, when the livestock industry moved into the village.
1950), a storage facilities company (with a total of about 250 employees), and numerous residential buildings in the village.
[5] Bichelsee-Balterswil has an area, as of 2009[update], of 12.27 square kilometers (4.74 sq mi).
Most of the population (as of 2000[update]) spoke German (94.1%), with Italian being second most common ( 2.0%) and Albanian being third ( 1.2%).
[8] The age distribution, as of 2009[update], was: 272 children (or 10.6% of the population) were between 0 and 9 years old, and 338 teenagers (or 13.1%) were between 10 and 19.
[14] In the 2011 federal election the most popular party was the SVP which received 38.77% of the vote.
In the federal election, a total of 913 votes were cast, and the voter turnout was 49.3%.
[9] From the 2000 census[update], 1,141 or 50.1% were Roman Catholic, while 787 or 34.6% belonged to the Swiss Reformed Church.
Of the children in kindergarten, 24 or 41.4% were female, 5 or 8.6% were not Swiss citizens and 2 or 3.4% 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 57 children or 59.4% of the total population who were female, 4 or 4.2% were not Swiss citizens and 2 or 2.1% did not speak German natively.
In the upper primary level, there were 41 or 48.2% who were female, 4 or 4.7% were not Swiss citizens and 3 or 3.5% did not speak German natively.
There were 62 teenagers who were in the advanced school, of which 34 or 54.8% were female, 2 or 3.2% were not Swiss citizens and 1 or 1.6% did not speak German natively.
There were 47 teenagers who were in the standard school, of which 21 or 44.7% were female, 6 or 12.8% were not Swiss citizens and 4 or 8.5% did not speak German natively.