Alejandro has been given to about 147,470 people in the United States since 1880. It was most common in 2001, which makes it a millennial-parent name.
Alejandro ranks 195th among American boys in 2025, with 1,842 born that year. Its best year was 2001, when 4,577 babies were given the name, ranking 88th. The typical living American called Alejandro is about 24 years old today. It is relatively most common in New Mexico, where it accounts for 0.21% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.