LAST NAME · 2020 CENSUS
Castillio
Castillio is the 49,748th most common last name in the United States. In the 2020 Census, 456 people carried it — about 0.2 of every 100,000 people. Most people named Castillio are Hispanic.
WHO CARRIES THIS NAME · 2020
Hispanic85.3%
White5.3%
Asian American3.3%
Multiracial2.6%
Black2.4%
Native American1.1%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#52,516
0
2000
#105,374
157
2010
#104,156
172
2020
#49,748
456