Pfungen has an area of. Of this area, 32.3% is used for agricultural purposes, while 41.6% is forested. Of the rest of the land, 24% is settled and the remainder is non-productive. housing and buildings made up 16.2% of the total area, while transportation infrastructure made up the rest. Of the total unproductive area, water made up 1.6% of the area. 22.3% of the total municipal area was undergoing some type of construction. The municipality is located in the lower Töss Valley, with the village sitting on a spur of the Multberg and additional settlements in the Rums river valley. It consists of the village of Pfungen and settlements in the Rums river valley as well as the industrial development in Bruni.
Demographics
Pfungen has a population of. , 22.4% of the population was made up of foreign nationals. the gender distribution of the population was 50.7% male and 49.3% female. Over the last 10 years the population has grown at a rate of 7.1%. Most of the population speaks German , with Italian being second most common and Turkish being third. In the 2007 election the most popular party was the SVP which received 48.7% of the vote. The next three most popular parties were the SPS, the CSP and the FDP. The age distribution of the population is children and teenagers make up 25.3% of the population, while adults make up 63.2% and seniors make up 11.5%. In Pfungen about 71.8% of the population have completed either non-mandatory upper secondary education or additional higher education. There are 1061 households in Pfungen. Pfungen has an unemployment rate of 2.28%. , there were 27 people employed in the primary economic sector and about 8 businesses involved in this sector. 283 people are employed in the secondary sector and there are 31 businesses in this sector. 321 people are employed in the tertiary sector, with 62 businesses in this sector. 35% of the working population were employed full-time, and 65% were employed part-time. there were 612 Catholics and 1266 Protestants in Pfungen. In the 2000 census, religion was broken down into several smaller categories. From the, 52.3% were some type of Protestant, with 51.2% belonging to the Swiss Reformed Church and 1.1% belonging to other Protestant churches. 25.8% of the population were Catholic. Of the rest of the population, 0% were Muslim, 9.1% belonged to another religion, 3.4% did not give a religion, and 8.8% were atheist or agnostic. The historical population is given in the following table:
