Archaeological findings from the Stone Age, the Bronze Age and the Roman times were founded. In 1182, Krumbach was mentioned.
In 1394, the last Krumbacher Hans von Crumbach was transferred.
In the 17th and 18th centuries, the plague and the cholera affected the town. In 1848, it became a market town and received the municipal law in 1849.
In 1884, Krumbach created a fire station.
Chapi