LAST NAME · 2020 CENSUS
Castllo
Castllo is the 109,993rd most common last name in the United States. In the 2020 Census, 171 people carried it — about 0.1 of every 100,000 people. Most people named Castllo are Hispanic.
WHO CARRIES THIS NAME · 2020
Hispanic87.7%
Asian American6.4%
White2.9%
Black1.2%
Native American1.2%
Multiracial0.6%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2010
#156,044
104
2020
#109,993
171