View the most partisan surnames in The United States

Where Does The Last Name Petroi Come From? ^{nationality or country of origin}

Petroi is found most frequently in Romania. It may also be found in the variant forms: Petroï. For other possible spellings of this last name click here.

How Common Is The Last Name Petroi? ^{popularity and diffusion}

This last name is the 402,870^th most frequently occurring family name internationally, held by approximately 1 in 8,366,872 people. This surname occurs mostly in Europe, where 97 percent of Petroi are found; 96 percent are found in Eastern Europe and 96 percent are found in Romanian Europe.

It is most prevalent in Romania, where it is carried by 833 people, or 1 in 24,103. In Romania Petroi is most numerous in: Olt County, where 43 percent are found, Bucharest Municipality, where 13 percent are found and Bihor County, where 7 percent are found. Other than Romania this surname exists in 8 countries. It is also common in The United States, where 3 percent are found and Italy, where 0 percent are found.

Petroi Last Name Statistics ^demography

In The United States those bearing the Petroi surname are 36.56% more likely to be registered Republicans than The US average, with 83.33% registered with the political party.

Petroi earn notably more than the average income. In United States they earn 21.09% more than the national average, earning $52,250 USD per year.