There are an estimated 286 people named Rocko alive worldwide today. That ranks Rocko at #22408 globally, with the highest concentrations in United States.
In the United States, Rocko is held by approximately 286 people, ranking #22408 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 1,160,490 U.S. residents).
Historically Rocko is used overwhelmingly as a male name (100.0% male).
Rocko 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.