 There were 4 (or about 0.92% of the population) who were Islamic.4 (or about 0.92% of the population) belonged to no church, are agnostic or atheist, and 3 individuals (or about 0.69% of the population) did not answer the question.In Rohrbachgraben about 152 or (34.9%) of the population have completed non-mandatory upper secondary education, and 30 or (6.9%) have completed additional higher education (either university or a "Fachhochschule").