In 2009, archaeologists announcedthe discovery of an Iron Agetumulus burial, apparently of a Celtic nobleman. While there are comparable finds in Germany, the site is unique in Switzerland. Oberstammheim is first mentioned in 761 as Stamhaim. In 1212 it was mentioned as in Stamehein superiori. On 1 January 2019 the former municipalities of Oberstammheim, Unterstammheim and Waltalingenmerged into the new municipality of Stammheim.
Geography
Oberstammheim has an area of. Of this area, 54.9% is used for agricultural purposes, while 36.7% is forested. Of the rest of the land, 8.2% is settled and the remainder is non-productive. The municipality is located in the Züricher Weinlandon the border with the canton of Thurgau on the southern slope of the Stammerberg. It includes the village of Oberstammheim and the Zürich part of the hamlet of Wilen bei Neunforn. For a short time Wilen bei Neunforn, together with the Thurgau section of the hamlet, was an independent municipality.
Demographics
Oberstammheim has a population of. , 5.7% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 2.4%. Most of the population speaks German , with French being second most common and Italian being third. In the 2007 election the most popular party was the SVP which received 41.1% of the vote. The next three most popular parties were the FDP, the SPS and the Green Party. The age distribution of the population is children and teenagers make up 28.6% of the population, while adults make up 53.5% and seniors make up 18%. In Oberstammheim about 85% of the population have completed either non-mandatory upper secondary education or additional higher education. Oberstammheim has an unemployment rate of 0.68%. , there were 93 people employed in the primary economic sector and about 34 businesses involved in this sector. 56 people are employed in the secondary sector and there are 13 businesses in this sector. 213 people are employed in the tertiary sector, with 34 businesses in this sector. The historical population is given in the following table: