There are an estimated 87 people named Hiroko alive worldwide today. That ranks Hiroko at #28849 globally, with the highest concentrations in United States.
In the United States, Hiroko is held by approximately 87 people, ranking #28849 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 3,814,943 U.S. residents).
Historically Hiroko is used overwhelmingly as a female name (100.0% female).
Hiroko appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.