After margrave Karl II of Baden in 1556 installed the Protestant Reformation in the Margraviate of Baden, of which Pforzheim was the capital in those days, Pforzheim continued to be a Protestant town for several centuries. The congregations in Pforzheim were affiliated with the deanery (Dekanat) of Pforzheim of the Protestant National Church of Baden, unless they were members of one of the independent churches (Freikirche).
Since the 19th century at the latest Catholics settled in Pforzheim again. They are affiliated with the deanery of Pforzheim which belongs to Archdiocese of Freiburg.
Other denominations and religious sects in Pforzheim are:
� Israelite Congregation
� Islamic Congregation
� Adventist Congregation
� Jehovah's Witnesses
� Baptist Church
� Salvation Army
� Methodist Church
� Church of Christ, Scientist
