 There are 306 (or about 3.63% of the population) who are Islamic.There are 25 individuals (or about 0.30% of the population) who belong to another church (not listed on the census), 549 (or about 6.50% of the population) belong to no church, are agnostic or atheist, and 75 individuals (or about 0.89% of the population) did not answer the question.The "Schlosslandschaft Rorschach / Alter Rhein", a number of castles in a region along the Rhine river, is designated as part of the Inventory of Swiss Heritage Sites.