Wädenswil, locally often called Wädi or Wädischwil, is a municipality located in the district of Horgen in the canton of Zürich in Switzerland. The population, , was about 21,000. On 1 January 2019 the former municipalities of Hütten and Schönenberg were merged into the municipality of Wädenswil. Before the 2019 merger, Wädenswil had an area of . Of this area, 59.3% is used for agricultural purposes, 9.6% is forested, 29.8% is settled (buildings or roads), and the remainder (1.3%) is non-productive (rivers, glaciers or mountains). housing and buildings made up 20.8% of the total area, while transportation infrastructure made up the rest (9%). Of the total unproductive area, water (streams and lakes) made up 0.4% of the area. 24.5% of the total municipal area was undergoing some type of construction. Wädenswil has a population (as of ) of . , 20.5% of the population was made up of foreign nationals. the gender distribution of the population was 48.6% male and 51.4% female. Over the last 10 years the population has grown at a rate of 2.1%. Most of the population () speaks German (85.0%), with Italian being second most common ( 3.9%) and Serbo-Croatian being third ( 1.9%). In the 2007 election the most popular party was the SVP which received 35.2% of the vote. The next three most popular parties were the SPS (17.6%), the FDP (13%) and the CSP (11.3%). The age distribution of the population () is 22% children and teenagers (0–19 years old), while adults (20–64 years old) make up 64.2% and seniors (over 64 years old) make up 13.9%. In Wädenswil about 76.7% of the population (between age 25–64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule). There are 8796 households in Wädenswil. Wädenswil has an unemployment rate of 2.94%. , there were 268 people employed in the primary economic sector and about 84 businesses involved in this sector. 2020 people are employed in the secondary sector and there are 195 businesses in this sector.