LAST NAME · 2020 CENSUS
Duplechin
Duplechin is the 30,686th most common last name in the United States. In the 2020 Census, 813 people carried it — about 0.3 of every 100,000 people. Most people named Duplechin are White.
WHO CARRIES THIS NAME · 2020
White86.7%
Black8.6%
Multiracial2.6%
Hispanic1.7%
Asian American0.2%
Native American0.1%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#57,509
0
2000
#32,417
669
2010
#29,550
798
2020
#30,686
813