Main country
Poland
3,482 people
86.5% of total
Surname
Rostkowski
4,024 worldwide · 17 countries
4,024
Total population
17
Countries
1 in every 2,012,922
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Poland
3,482
86.5%
2
United States
456
11.3%
3
Canada
23
0.6%
4
Germany
20
0.5%
5
England
11
0.3%
World distribution
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