Galgenen has an area,, of. Of this area, 50.8% is used for agricultural purposes, while 39.8% is forested. Of the rest of the land, 9% is settled and the remainder is non-productive. It consists of the village of Galgenen and village section of Siebnen-Galgenen as well as the hamlets of Achern, Buechli, Stöckli and Steinweid.
Demographics
Galgenen has a population of. , 17.4% of the population was made up of foreign nationals. Over the last 10 years the population has grown at a rate of 10.6%. Most of the population speaks German, with Albanian being second most common and Serbo-Croatian being third. the gender distribution of the population was 51.3% male and 48.7% female. The age distribution,, in Galgenen is; 1,008 people or 25.7% of the population is between 0 and 19. 1,194 people or 30.4% are 20 to 39, and 1,305 people or 33.2% are 40 to 64. The senior population distribution is 261 people or 6.6% are 65 to 74. There are 110 people or 2.8% who are 70 to 79 and 49 people or 1.25% of the population who are over 80. there are 1,575 households, of which 448 households contain only a single individual. 116 or about 7.4% are large households, with at least five members. In the 2007 election the most popular party was the SVP which received 52.1% of the vote. The next three most popular parties were the FDP, the SPS and the CVP. The entire Swiss population is generally well educated. In Galgenen about 67.4% of the population have completed either non-mandatory upper secondary education or additional higher education. Galgenen has an unemployment rate of 1.59%., there were 183 people employed in the primary economic sector and about 71 businesses involved in this sector. 309 people are employed in the secondary sector and there are 60 businesses in this sector. 475 people are employed in the tertiary sector, with 130 businesses in this sector. From the, 2,680 or 68.2% are Roman Catholic, while 577 or 14.7% belonged to the Swiss Reformed Church. Of the rest of the population, there are less than 5 individuals who belong to the Christian Catholic faith, there are 55 individuals who belong to the Orthodox Church, and there are less than 5 individuals who belong to another Christian church. There are 270 who are Islamic. There are 10 individuals who belong to another church, 201 belong to no church, are agnostic or atheist, and 129 individuals did not answer the question. The historical population is given in the following table:
