LAST NAME · 2020 CENSUS
Trefethen
Trefethen is the 40,219th most common last name in the United States. In the 2020 Census, 588 people carried it, about 0.2 of every 100,000 people. Most people named Trefethen are White.
WHO CARRIES THIS NAME · 2020
White90.6%
Hispanic4.1%
Multiracial4.1%
Native American0.7%
Asian American0.5%
Black0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#34,535
0
2000
#36,129
586
2010
#38,050
583
2020
#40,219
588