How Many People Have the Last Name Duffy?
people had the surname Duffy in the 2010 US Census
About 1 in 7,593 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
Of 162,253 surnames
Per 100,000 People
In 2010
Largest Group
White
Change Since 2000
+873 people
👥 Race and Hispanic Origin
Most people with the surname Duffy (90.7%) are non-Hispanic White. Among surnames where most people are non-Hispanic White, Duffy ranks #661. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Duffy grew from 37,962 people in 2000 to 38,835 in 2010 (up 2.3%), and its rank fell from #827 to #892. The population grew faster, so its share still fell, from 14.07 to 13.17 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 37,962 | 38,835 |
| Rank | #827 | #892 |
| Per 100,000 people | 14.07 | 13.17 |
🏆 Surnames Ranked Near Duffy
🔊 Surnames That Sound Alike
Same Soundex code as Duffy: D100
👤 Duffy as a First Name
Duffy is a first name too: about 427 people alive in the US today have it as a first name, an estimate from Social Security birth records.
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