Main country
Italy
15,886 people
78.6% of total
Surname
Castaldo
20,200 worldwide · 41 countries
20,200
Total population
41
Countries
1 in every 400,990
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Italy
15,886
78.6%
2
United States
2,716
13.4%
3
France
454
2.2%
4
Brazil
316
1.6%
5
Argentina
259
1.3%
World distribution
Loading map...