Oetwil an der Limmat is first mentioned around 850 as Otenwilare.
Geography
Oetwil an der Limmat has an area of. Of this area, 36.5% is used for agricultural purposes, while 39% is forested. Of the rest of the land, 20.6% is settled and the remainder is non-productive. housing and buildings made up 15.9% of the total area, while transportation infrastructure made up the rest. Of the total unproductive area, water made up 3.3% of the area. 19% of the total municipal area was undergoing some type of construction. The municipality is located on the right side of the Limmattalon the border with the Canton of Aargau.
Demographics
Oetwil an der Limmat has a population of., 12.4% of the population was made up of foreign nationals. the gender distribution of the population was 50.8% male and 49.2% female. Over the last 10 years the population has grown at a rate of 5.7%. 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 46.7% of the vote. The next three most popular parties were the FDP, the SPS and the CVP. The age distribution of the population is children and teenagers make up 18.3% of the population, while adults make up 70.9% and seniors make up 10.8%. In Oetwil an der Limmat about 84.6% of the population have completed either non-mandatory upper secondary education or additional higher education. There are 1000 households in Oetwil an der Limmat. Oetwil an der Limmat has an unemployment rate of 2.39%., there were 12 people employed in the primary economic sector and about 6 businesses involved in this sector. 81 people are employed in the secondary sector and there are 22 businesses in this sector. 170 people are employed in the tertiary sector, with 57 businesses in this sector. 42.2% of the working population were employed full-time, and 57.8% were employed part-time. there were 1198 Catholics and 1590 Protestants in Oetwil an der Limmat. In the, religion was broken down into several smaller categories. From the 2000 census, 43.2% were some type of Protestant, with 40.4% belonging to the Swiss Reformed Church and 2.8% belonging to other Protestant churches. 27.7% of the population were Catholic. Of the rest of the population, 0% were Muslim, 12.4% belonged to another religion, 4.5% did not give a religion, and 11.2% were atheist or agnostic.