LAST NAME · 2020 CENSUS
Sienko
Sienko is the 37,267th most common last name in the United States. In the 2020 Census, 643 people carried it — about 0.2 of every 100,000 people. Most people named Sienko are White.
WHO CARRIES THIS NAME · 2020
White94.4%
Multiracial2.6%
Hispanic2.5%
Black0.5%
Asian American0.0%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#42,082
0
2000
#32,059
679
2010
#33,410
683
2020
#37,267
643