Last Names

Surnames / O

Orosco

How common is the last name Orosco?

About this name

We do not yet have a written origin for Orosco, so here is what the census records show.

Surname origins are rarely settled, and we would rather say nothing than guess. The sources below are the best places to look, and our guide to how surnames began explains the usual types.

Names nearby in the census

#4,273

Orosco was the 4,273rd most common surname in the 2010 US Census, with 8,313 people, about 2.7 in every 100,000.

Who carries it

  • White (non-Hispanic)6.6%
  • Hispanic or Latino89.3%
  • Black (non-Hispanic)1.0%
  • Asian or Pacific Islander1.0%
  • Two or more races0.7%
  • American Indian or Alaska Native1.5%

Check the sources

For a name you are serious about, compare the dictionaries: Reaney and Wilson, A Dictionary of English Surnames; Hanks, Dictionary of American Family Names.