Knonau



Knonau is a municipality in the district of Affoltern in the canton of Zürich in Switzerland.

History
Knonau is first mentioned in 1045 as Chnonowa. In 1223 it was mentioned as Knonowe.

Geography
Knonau has an area of 6.5 km2. Of this area, 64.5% is used for agricultural purposes, while 17.7% is forested. Of the rest of the land, 16% is settled (buildings or roads) and the remainder (1.8%) is non-productive (rivers, glaciers or mountains).

The municipality includes the hamlets of Baregg and Uttenberg. It is located on the border with the Canton of Zug.

Demographics
Knonau has a population (as of ) of. , 9.3% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 34.6%. Most of the population speaks German  (92.9%), with Italian being second most common ( 2.6%) and English being third ( 1.1%).

In the 2007 election the most popular party was the SVP which received 36.2% of the vote. The next three most popular parties were the CSP (16.1%), the SPS (15.5%) and the FDP (11%).

The age distribution of the population is children and teenagers (0–19 years old) make up 28.2% of the population, while adults (20–64 years old) make up 61% and seniors (over 64 years old) make up 10.9%. In Knonau about 81.8% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule).

Knonau has an unemployment rate of 2.21%. , there were 70 people employed in the primary economic sector and about 28 businesses involved in this sector. 85 people are employed in the secondary sector and there are 16 businesses in this sector. 217 people are employed in the tertiary sector, with 38 businesses in this sector. The historical population is given in the following table:

Transport
Knonau railway station is a stop of the Zürich S-Bahn on the line S5. It is a 39-minute ride from Zürich Hauptbahnhof.