Main country
Poland
224 people
72% of total
Surname
Sierko
311 worldwide · 7 countries
311
Total population
7
Countries
1 in every 26,045,016
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
224
72%
2
United States
65
20.9%
3
Canada
10
3.2%
4
England
8
2.6%
5
Germany
2
0.6%
World distribution
Loading map...