LAST NAME · 2020 CENSUS
Ildefonso
Ildefonso is the 35,603rd most common last name in the United States. In the 2020 Census, 680 people carried it, about 0.2 of every 100,000 people. Most people named Ildefonso are Hispanic.
WHO CARRIES THIS NAME · 2020
Hispanic71.9%
Asian American20.0%
White7.2%
Multiracial0.6%
Black0.3%
Native American0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#28,856
0
2000
#43,058
473
2010
#35,812
627
2020
#35,603
680