Main country
Poland
1,131 people
75.8% of total
Surname
Olko
1,492 worldwide · 19 countries
1,492
Total population
19
Countries
1 in every 5,428,954
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Poland
1,131
75.8%
2
United States
271
18.2%
3
Papua New Guinea
38
2.5%
4
Ukraine
10
0.7%
5
Russia
7
0.5%
World distribution
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