Main country
United States
215 people
76.8% of total
Surname
Olker
280 worldwide · 6 countries
280
Total population
6
Countries
1 in every 28,928,571
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
215
76.8%
2
Germany
58
20.7%
3
Bolivia
4
1.4%
4
Afghanistan
1
0.4%
5
Brazil
1
0.4%
World distribution
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