LAST NAME · 2020 CENSUS
Siefker
Siefker is the 26,703rd most common last name in the United States. In the 2020 Census, 961 people carried it — about 0.3 of every 100,000 people. Most people named Siefker are White.
WHO CARRIES THIS NAME · 2020
White95.2%
Hispanic2.2%
Multiracial1.9%
Asian American0.4%
Black0.3%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#42,085
0
2000
#27,562
823
2010
#27,228
888
2020
#26,703
961