Carlos Pellegrini is a town in the center-west of Santa Fe Province, Argentina. According to the 2001 census, it has 5,062 inhabitants: 2,…Carlos Pellegrini is a town in the center-west of Santa Fe Province, Argentina. According to the 2001 census, it has 5,062 inhabitants: 2,555 women and 2,507 men. It has had a growth of 158 over the 1991 census.