Ottenbach is first mentioned in 831 as in loco vocato marcha Hotumbacharia. In 1169 it was mentioned as Arnoldus de Ottonbac. Since the end of the 18th century, the textile industry had expanded as a home industry in Ottenbach: In 1784, the cotton spinning mill employed 49% of the local population. At the beginning of the 19th century there were around 350 weaving looms and the Zurich Mechanical Silk Weaving Mill employed more than 200 people in Ottenbach from the village and the surrounding area.
Geography
Ottenbach has an area of. Of this area, 56.4% is used for agricultural purposes, while 20.7% is forested. Of the rest of the land, 19.1% is settled and the remainder is non-productive. It is located near the Reuss Riveron the border with the Canton of Aargau.
Sights
Ottenbach owns the Ottenbach Small Hydropower plant with original equipment of 1920 which is still running for guided visits. It produced current for operating looms of the silk weaving factory A.F. Haas & Co. until 1975.
Demographics
Ottenbach has a population of. , 7.3% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 5.5%. Most of the population speaks German , with Italian being second most common and English being third. In the 2007 election the most popular party was the SVP which received 34.1% of the vote. The next three most popular parties were the SPS, the FDP and the Green Party. The age distribution of the population is children and teenagers make up 26.1% of the population, while adults make up 64.4% and seniors make up 9.6%. In Ottenbach about 84.9% of the population have completed either non-mandatory upper secondary education or additional higher education. Ottenbach has an unemployment rate of 2.04%. , there were 47 people employed in the primary economic sector and about 21 businesses involved in this sector. 144 people are employed in the secondary sector and there are 19 businesses in this sector. 388 people are employed in the tertiary sector, with 82 businesses in this sector. The historical population is given in the following table: