has an unemployment rate of 1.82%. , there were 144 people employed in the primary economic sector and about 26 businesses involved in this sector. 1,535 people are employed in the secondary sector and there are 80 businesses in this sector. 2,184 people are employed in the tertiary sector, with 257 businesses in this sector. From the , 2,735 or 37.8% are Roman Catholic, while 3,046 or 42.1% belonged to the Swiss Reformed Church. Of the rest of the population, there are 162 individuals (or about 2.24% of the population) who belong to the Orthodox Church, and there are 166 individuals (or about 2.30% of the population) who belong to another Christian church. There are less than 5 individuals who are Jewish, and 562 (or about 7.78% of the population) who are Islamic. There are 83 individuals (or about 1.15% of the population) who belong to another church (not listed on the census), 335 (or about 4.63% of the population) belong to no church, are agnostic or atheist, and 139 individuals (or about 1.92% of the population) did not answer the question. The historical population is given in the following table: Politics The leadership of the municipality is elected every four years and consists of a president and six members. In the 2007 federal election the most popular party was the SVP which received 35.7% of the vote. The next three most popular parties were the SP (27.8%), the FDP (17.1%) and the CVP (15.8%). Sightseeing and culture Heritage sites of national significance Marschlins Castle and the surrounding grounds are listed as a Swiss heritage site of national significance. The castle is the family castle of the noble family of Salis-Marschlins. Castles In addition to the Marschlins Castle, Igis is also home to the ruins of Falkenstein Castle. Churches The Roman Catholic Church of St. Fidelis was built in 1908 in Landquart. The current Reformed church in Igis was built to its current appearance in 1486. At that time, the nave was extended to the south and the choir was expanded. The main portal was also built in 1486, as this date is carved into the stone. The paintings on the north-east wall date from before the 1486 renovation. It is believed that this wall is part of St. Damian's Church in Ovine that was mentioned in 841, though this identification is debated. Part of the identification rests on the