LAST NAME · 2020 CENSUS
Waterloo
Waterloo is the 72,902nd most common last name in the United States. In the 2020 Census, 287 people carried it — about 0.1 of every 100,000 people. Most people named Waterloo are White.
WHO CARRIES THIS NAME · 2020
White88.5%
Hispanic3.8%
Multiracial3.8%
Black1.7%
Asian American1.7%
Native American0.3%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2000
#74,957
240
2010
#72,771
267
2020
#72,902
287