LAST NAME · 2020 CENSUS
Sieffert
Sieffert is the 75,111th most common last name in the United States. In the 2020 Census, 277 people carried it, about 0.1 of every 100,000 people. Most people named Sieffert are White.
WHO CARRIES THIS NAME · 2020
White93.1%
Hispanic2.9%
Multiracial2.9%
Native American0.7%
Asian American0.4%
Black0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2000
#72,466
250
2010
#66,164
299
2020
#75,111
277