 From the , 1,961 or 46.3% are Roman Catholic, while 1,175 or 27.7% belonged to the Swiss Reformed Church.Of the rest of the population, there are 2 individuals (or about 0.05% of the population) who belong to the Christian Catholic faith.Mellingen Heitersberg railway station is a stop of the S-Bahn Zürich on the line S11.