Zachariah has been given to about 31,275 people in the United States since 1880. It was most common in 1992, which makes it a Gen X and millennial name.
Zachariah ranks 538th among American boys in 2025, with 558 born that year. Its best year was 1992, when 874 babies were given the name, ranking 305th. The typical living American called Zachariah is about 24 years old today. It is relatively most common in District of Columbia, where it accounts for 0.11% 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.