LAST NAME · 2020 CENSUS
Castillo
Castillo is the 94th most common last name in the United States. In the 2020 Census, 231,347 people carried it — about 77.4 of every 100,000 people. Most people named Castillo are Hispanic.
WHO CARRIES THIS NAME · 2020
Hispanic89.4%
White5.2%
Asian American3.4%
Black0.8%
Multiracial0.6%
Native American0.6%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#207
126,842
2000
#135
165,473
2010
#93
230,420
2020
#94
231,347