LAST NAME · 2020 CENSUS
Duncan
Duncan is the 222nd most common last name in the United States. In the 2020 Census, 129,708 people carried it, about 43.4 of every 100,000 people. Most people named Duncan are White.
WHO CARRIES THIS NAME · 2020
White72.9%
Black17.3%
Multiracial4.6%
Hispanic3.6%
Native American1.0%
Asian American0.6%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#177
136,790
2000
#203
130,419
2010
#212
135,187
2020
#222
129,708