How Many People Have the Last Name Duncan?
people had the surname Duncan in the 2010 US Census
About 1 in 2,182 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
+4,768 people
👥 Race and Hispanic Origin
Most people with the surname Duncan (76.4%) are non-Hispanic White. The next largest group, 17.3%, are non-Hispanic Black. Among surnames where most people are non-Hispanic White, Duncan ranks #156. From 2000 to 2010, the non-Hispanic White share fell from 78.9% to 76.4%.
📈 Change Since 2000
Duncan grew from 130,419 people in 2000 to 135,187 in 2010 (up 3.7%), and its rank fell from #203 to #212. The population grew faster, so its share still fell, from 48.35 to 45.83 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 130,419 | 135,187 |
| Rank | #203 | #212 |
| Per 100,000 people | 48.35 | 45.83 |
🏆 Surnames Ranked Near Duncan
🔊 Surnames That Sound Alike
Same Soundex code as Duncan: D525
👤 Duncan as a First Name
Duncan is a first name too: about 17,147 people alive in the US today have it as a first name, an estimate from Social Security birth records.
🧮 Your First Name + Duncan
Look up another surname
⊙ We don't save the names you search.