Castelnovetto is a comune (municipality) in the Province of Pavia in the Italian region Lombardy, located about southwest of Milan and about west of Pavia. As of 31 December 2004, it had a population of 640 and an area of .All demographics and other statistics: Italian statistical institute Istat.

Castelnovetto borders the following municipalities: Ceretto Lomellina, Cozzo, Nicorvo, Robbio, Rosasco, Sant'Angelo Lomellina.

Demographic evolution

References