The population of Castelletto Merli is 499.
The population of Castelletto Molina is 184.
The population of Castelletto d'Erro is 146.
The population of Castelletto Monferrato is 1,511.
Castelletto Stura's population is 1,179.
Castelletto Uzzone's population is 367.
Castelletto Cervo's population is 862.
The population of Castelletto di Branduzzo is 1,041.
Castelletto sopra Ticino's population is 10,000.
George Merlis has written: 'How to Master the Media'
The area of Castelletto Molina is 3,000,000.0 square meters.
The area of Castelletto Merli is 11.8 square kilometers.
The area of Castelletto d'Erro is 4,700,000.0 square meters.