How Common Is the Surname Onan?
The surname Onan is the #24,090 most common last name in the United States, with an estimated 1,176 bearers. That's about 1 in 285,624 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Onan surname's frequency in the U.S. population, its rank among all American surnames, and a breakdown of ancestry and ethnicity data from the Census. You can also check how many people share any first + last name combination involving Onan.
Estimated Americans with this Surname
1,176
About 1 in 285,624 people in the U.S.
Census Rank
#24,090
Frequency Rate
0.35
per 100,000 people
Census Count
1,045
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Onan
The Onan surname is most commonly associated with people who identify as White (95.31%). The next largest groups are Two or More Races (1.44%) and Hispanic (1.24%).
Self-reported race and ethnicity from the 2010 U.S. Census Bureau surname tables. Some categories may be suppressed for privacy when sample sizes are small.
How Many People Are Named ... Onan?
Pair the Onan surname with a first name to estimate how many people share that full name in the United States.
Onan Surname: Questions and Answers
How common is the last name Onan?
Onan is the #24,090 most common surname in the United States, with an estimated 1,176 people sharing this last name. It appears at a rate of 0.35 per 100,000 Americans.
What ethnicity is the surname Onan?
The Onan surname is most commonly associated with people who identify as White (95.31%). The next largest groups are Two or More Races (1.44%) and Hispanic (1.24%). This data comes from the 2010 U.S. Census Bureau surname tables, which include self-reported race and ethnicity breakdowns.
How many people named [First Name] Onan are there?
We can estimate any first + last name combination. Popular examples: Michael Onan, James Onan, John Onan. Search any combination on our homepage.
Where does this surname data come from?
Surname frequency data comes from the 2010 U.S. Census Bureau decennial surname tables. These list every surname appearing in the Census along with frequency rates and demographic breakdowns. Full methodology.
Search for a full name combination
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