Main country
Poland
640 people
81.4% of total
Surname
Sierka
786 worldwide · 9 countries
786
Total population
9
Countries
1 in every 10,305,344
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
640
81.4%
2
United States
88
11.2%
3
France
35
4.5%
4
Germany
15
1.9%
5
Norway
4
0.5%
World distribution
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