The population of Prutz was declining in the second half of the 19th century inter alia because of the emigration to the Americas at this period but started to grow steadily from 1910 onwards.
Prutzi rahvaarv kahanes 19. sajandi teisel poolel muuhulgas väljarände tõttu Ameerikasse, kuid hakkas püsivalt kasvama alates 1910. aastast.