In 1967, Sommeri was created when the municipalities of Niedersommeri and Obersommeri merged. Sommeri is first mentioned in 905 as Sumbrinaro. Between 1474 and 1798, the vogteien of Niedersommeri and Obersommeri formed a court of the Prince-Abbot of St. Gall. In 1474 the Church of St. Mauritius was dedicated. It was renovated to its current appearance in the first half of the 15th Century. After the Protestant Reformation reached Sommeri in 1528, the church became a shared church for both faiths in 1534. Originally the major economic activities in Sommeri were predominantly grain production and forestry. In the second half of the 19th Century fruit production, hay production, cattle and dairy farming were added. A cheese factory was opened in 1852. In the last third of the 20th Century some industrial plants moved into the villages, especially embroidery and furniture manufacturing. At the beginning of the 21st Century there were companies in the HVAC industry, precision engineering and manufacturing school furniture in Sommeri.
Geography
Sommeri has an area,, of. Of this area, or 68.2% is used for agricultural purposes, while or 24.0% is forested. Of the rest of the land, or 6.4% is settled. Of the built up area, industrial buildings made up 3.6% of the total area while housing and buildings made up 0.2% and transportation infrastructure made up less than 0.1%. while parks, green belts and sports fields made up 2.4%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 52.3% is used for growing crops, while 15.9% is used for orchards or vine crops. The municipality is located in the Arbon district, south of Romanshorn. It consists of the village of Sommeri and the hamlets of Buerüüti, Fälwis and Hungerbüel.
Demographics
Sommeri has a population of , 9.2% of the population are foreign nationals. Over the last 10 years the population has changed at a rate of 1.6%. Most of the population speaks German, with Italian being second most common and Albanian being third. , the gender distribution of the population was 50.3% male and 49.7% female. The population was made up of 225 Swiss men, and 32 non-Swiss men. There were 239 Swiss women, and 15 non-Swiss women. In there were 4 live births to Swiss citizens and 1 birth to non-Swiss citizens, and in same time span there was 1 death of Swiss citizens and 1 non-Swiss citizen death. Ignoring immigration and emigration, the population of Swiss citizens increased by 3 while the foreign population remained the same. There was 1 Swiss man, 5 non-Swiss men who emigrated from Switzerland to another country and 3 non-Swiss women who emigrated from Switzerland to another country. The total Swiss population change in 2008 was an increase of 5 and the non-Swiss population change was an increase of 9 people. This represents a population growth rate of 2.8%. The age distribution,, in Sommeri is; 54 children or 10.4% of the population are between 0 and 9 years old and 65 teenagers or 12.5% are between 10 and 19. Of the adult population, 73 people or 14.1% of the population are between 20 and 29 years old. 51 people or 9.8% are between 30 and 39, 80 people or 15.4% are between 40 and 49, and 89 people or 17.2% are between 50 and 59. The senior population distribution is 39 people or 7.5% of the population are between 60 and 69 years old, 43 people or 8.3% are between 70 and 79, there are 22 people or 4.2% who are between 80 and 89, and there are 2 people or 0.4% who are 90 and older. , there were 181 private households in the municipality, and an average of 2.6 persons per household. there were 72 single family homes out of a total of 86 inhabited buildings. There were 9 two family buildings, 3 three family buildings and 2 multi-family buildings. There were 83 persons who were part of a couple without children, and 308 who were part of a couple with children. There were 16 people who lived in single parent home, while there are 8 persons who were adult children living with one or both parents, 6 persons who lived in a household made up of relatives, 8 who lived in a household made up of unrelated persons, and 53 who are either institutionalized or live in another type of collective housing. The vacancy rate for the municipality,, was 1.89%. , the construction rate of new housing units was 8 new units per 1000 residents. there were 194 apartments in the municipality. The most common apartment size was the 6 room apartment of which there were 57. There were - single room apartments and 57 apartments with six or more rooms. In the 2007 federal election the most popular party was the SVP which received 48.12% of the vote. The next three most popular parties were the Green Party, the CVP and the SP. In the federal election, a total of 203 votes were cast, and the voter turnout was 54.7%. The historical population is given in the following table:
, Sommeri had an unemployment rate of 0.94%. , there were 52 people employed in the primary economic sector and about 23 businesses involved in this sector. 73 people are employed in the secondary sector and there are 9 businesses in this sector. 190 people are employed in the tertiary sector, with 16 businesses in this sector. there were 402 workers who lived in the municipality. Of these, 160 or about 39.8% of the residents worked outside Sommeri while 211 people commuted into the municipality for work. There were a total of 453 jobs in the municipality. Of the working population, 3.6% used public transportation to get to work, and 39.4% used a private car.
Religion
From the, 282 or 53.1% were Roman Catholic, while 168 or 31.6% belonged to the Swiss Reformed Church. Of the rest of the population, there is 1 individual who belongs to the Orthodox Church, and there are 19 individuals who belong to another Christian church. There were 14 who are Islamic. There are 5 individuals who belong to another church, 30 belong to no church, are agnostic or atheist, and 12 individuals did not answer the question.
Education
In Sommeri about 68.3% of the population have completed either non-mandatory upper secondary education or additional higher education.
