LAST NAME · 2020 CENSUS
Riordon
Riordon is the 100,469th most common last name in the United States. In the 2020 Census, 192 people carried it — about 0.1 of every 100,000 people. Most people named Riordon are White.
WHO CARRIES THIS NAME · 2020
White93.8%
Hispanic3.1%
Multiracial2.1%
Asian American1.0%
Black0.0%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2000
#122,534
130
2010
#112,568
156
2020
#100,469
192