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