How common is the surname Petro?

5,777 people in the United States had the surname Petro in the 2010 Census, about 1 in every 53,444 Americans. It ranked 5,957th of 162,253 surnames.

What ethnicity is the surname Petro?

In the 2010 Census, 93% of people named Petro identified as white (not Hispanic), and 3.1% as Hispanic or Latino (any race).

Who is the most famous person named Petro?

Gustavo Petro, 42rd President of Colombia 2022–2026.

Where is the surname Petro most common?

Wikidata records people named Petro in Italy.

Is the surname Petro getting more or less common?

Less common. 5,840 people carried it in the 2000 Census and 5,777 in 2010, down 1.1%.

Is Petro also a first name?

Yes. Petro is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.

The surname Petro

A Greek surname, carried by 5,777 people in the United States.

2 syllables Soundex P360 Also a first name

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Petro is more common than 96.3% of them.

Origin

Greek origin

Ultimately from Koine Greek Πέτρος (Pétros).

One of 45 Greek surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 5,777 people named Petro in the United States in 2010, about 1 in every 53,444 Americans. That is down 1.1% since 2000, when the Census counted 5,840.

#5,957

rank among US surnames

5,777

people in 2010

2.0

per 100,000 Americans

-1.1%

change since 2000 (was #5,473)

Rank	Surname	People	1 in
#5,953	Harkness	5,783	53,388
#5,954	Bartz	5,781	53,407
#5,956	Moats	5,778	53,435
#5,957	Petro	5,777	53,444

Who is named Petro

Race and Hispanic origin as people reported it in the 2010 Census

93% of people named Petro identified as white (not Hispanic), 3.1% as Hispanic or Latino (any race) and 1.5% as Black (not Hispanic).

White (not Hispanic) 93%
Hispanic or Latino (any race) 3.1%
Black (not Hispanic) 1.5%
Two or more races 1.1%
Asian and Pacific Islander 0.6%
American Indian and Alaska Native 0.2%

Compare: most common surnames among white Americans.

Famous Petros

1 notable person on Wikidata, most written-about first

Gustavo Petro
42rd President of Colombia 2022–2026

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Petro

Petro has the Soundex code P360, the code US census indexes have used since the 1930s. Every surname with code P360.

Other Greek surnames

All 45 Greek surnames

Questions

Where does the surname Petro come from?: Ultimately from Koine Greek Πέτρος (Pétros).
How common is the surname Petro?: 5,777 people in the United States had the surname Petro in the 2010 Census, about 1 in every 53,444 Americans. It ranked 5,957th of 162,253 surnames.
What ethnicity is the surname Petro?: In the 2010 Census, 93% of people named Petro identified as white (not Hispanic), and 3.1% as Hispanic or Latino (any race).
Who is the most famous person named Petro?: Gustavo Petro, 42rd President of Colombia 2022–2026.
Where is the surname Petro most common?: Wikidata records people named Petro in Italy.
Is the surname Petro getting more or less common?: Less common. 5,840 people carried it in the 2000 Census and 5,777 in 2010, down 1.1%.
Is Petro also a first name?: Yes. Petro is used as a first name as well as a surname; its first-name page has the meaning and how many babies were given it.