LAST NAME · 2020 CENSUS
Kieffer
Kieffer is the 5,353rd most common last name in the United States. In the 2020 Census, 6,288 people carried it — about 2.1 of every 100,000 people. Most people named Kieffer are White.
WHO CARRIES THIS NAME · 2020
White91.7%
Hispanic3.5%
Multiracial2.2%
Native American1.2%
Asian American0.7%
Black0.7%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#5,741
4,974
2000
#5,118
6,291
2010
#5,241
6,656
2020
#5,353
6,288