or 2 persons in the household, 1,243 homes with 3 or 4 persons in the household, and 1,001 homes with 5 or more persons in the household. The average number of people per household was 2.50 individuals. there were 1,357 single family homes (or 47.3% of the total) out of a total of 2,871 homes and apartments. In the 2007 federal election the most popular party was the SVP which received 40.5% of the vote. The next three most popular parties were the SP (18.4%), the FDP (13.4%) and the Green Party (7.3%). Authorities The municipal assembly (Gemeindeversammlung) is the law-making body (legislature). The executive authority is the municipal council (Gemeinderat). The members of the council are elected by the assembly according to the principle of majority. They stay in office for a duration of four years. The council's task is to lead and represent the municipality. In order to do so, he takes care of the decisions of the assembly and the assignments imposed by the canton and the federal government. The five municipal councils (since 1 January 2012) are: Rolf Arber, Mayor Hans-Peter Lüem, Vice-Mayor Ruedi Gautschi Peter Stirnemann Peter Hofmann The district court of Aarau is responsible for matters of civil right. Economy , Gränichen had an unemployment rate of 1.54%. , there were 94 people employed in the primary economic sector and about 45 businesses involved in this sector. 1,098 people are employed in the secondary sector and there are 68 businesses in this sector. 961 people are employed in the tertiary sector, with 155 businesses in this sector. One of the largest bakeries in Switzerland (Jowa) is located in Gränichen. In addition, there is also a company which fabricates heaters (Zehnder), a gravel plant and several other smaller businesses. there was a total of 3,149 workers who lived in the municipality. Of these, 2,312 or about 73.4% of the residents worked outside Gränichen while 1,145 people commuted into the municipality for work. There were a total of 1,982 jobs (of at least 6 hours per week) in the municipality. Religion From the , 1,370 or 22.4% are Roman Catholic, while 3,619 or 59.2% belonged to the Swiss Reformed Church. Of the rest of the population, there are 21 individuals (or about 0.34% of the population) who belong to the Christian Catholic faith, 4.3% were Moslem, 1.1% were Christian-Orthodox and 1.0% belonged to a different religion.