Main country
United States
243 people
74.5% of total
Surname
Ostro
326 worldwide · 16 countries
326
Total population
16
Countries
1 in every 24,846,626
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
United States
243
74.5%
2
Canada
38
11.7%
3
Australia
11
3.4%
4
Russia
10
3.1%
5
Israel
8
2.5%
World distribution
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