Main country
Poland
167 people
68.2% of total
Surname
Kostrowski
245 worldwide · 7 countries
245
Total population
7
Countries
1 in every 33,061,224
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
167
68.2%
2
United States
30
12.2%
3
Brazil
28
11.4%
4
Canada
14
5.7%
5
Germany
4
1.6%
World distribution
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