Main country
Italy
5,457 people
69.3% of total
Surname
Casillo
7,871 worldwide · 35 countries
7,871
Total population
35
Countries
1 in every 1,029,094
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Italy
5,457
69.3%
2
United States
817
10.4%
3
Bolivia
479
6.1%
4
Colombia
344
4.4%
5
Philippines
250
3.2%
World distribution
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