Main country
Poland
1,581 people
90.8% of total
Surname
Kosiorowski
1,742 worldwide · 12 countries
1,742
Total population
12
Countries
1 in every 4,649,828
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Poland
1,581
90.8%
2
United States
110
6.3%
3
France
21
1.2%
4
Canada
9
0.5%
5
Austria
6
0.3%
World distribution
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