Julia has been given to about 477,993 people in the United States since 1880. It was most common in 2001, which makes it a millennial-parent name.
Julia ranks 131st among American girls in 2025, with 2,172 born that year. Its best year was 2001, when 8,849 babies were given the name, ranking 27th. The typical living American called Julia is about 34 years old today. It is relatively most common in District of Columbia, where it accounts for 0.18% 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.